2022 Chevrolet Silverado 1500 TSBs
1,000 Technical Service Bulletins across 17 categories
Categories
Engine
277 bulletinsThis preliminary information communicates an issue with the engine running after the ignition is turned off and...
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diagnostic help to isolate a possible Fuel Pump Control Module issue.
This PI addresses an issue where the customer may experience a loss of brake assist, accompanied by numerous MILs and...
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warnings, after the engine has started, caused by a drop in battery voltage to the Brake System Control module. Dealers are to clean and tighten battery cable connections, test the vehicle battery and charging system, and update the Brake System control module with updated software.
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera.
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Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This PI addresses an issue where the customer may experience a loss of brake assist, accompanied by numerous MILs and...
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warnings, after the engine has restarted following a stop/start event, caused by a drop in battery voltage tot he Brake System Control module. Dealers are to test the vehicle battery and update the Brake System control module with updated software.
Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in...
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these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer.
This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This Preliminary information communicates a diagnostic tip for an issue where the starter stays engaged after the engine starts.
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Dealers are to suspect/monitor the crankshaft position sensor.
This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction...
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through technical assistance.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to...
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correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
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internal engine damage.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple...
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repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction...
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through technical assistance.
Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines...
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within the identified suspect VIN population. If the engine passes the PICO test, the engine oil will be changed from 0W20 to Mobil 1 Supercar 0W40 dexosR. From that point forward, the engine must use 0W40 dexosR oil products for all future oil change services.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to...
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correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set.
This informational bulletin advises the technician of a part number change for long block engines used in the trucks...
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noted.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a...
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gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction...
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through technical assistance.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
This preliminary information communicates an issue with an SES MIL and reduced power steering, and brake assist that...
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engineering is working on a fix.
Certain vehicles listed above, may have a condition that could cause the engine coolant control valve to fail an onboard vehicle diagnostic test.
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If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. Dealers are to replace the engine coolant control valve as necessary. The repairs will be made at no charge to the customer.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center...
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(DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center...
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(DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction...
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through technical assistance.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module.
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Engineering is working on a fix, but in the meantime, dealers are to install a diode.
Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center...
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(DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the...
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possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates A vehicle may have a concern of any of the following DTC's set P3189 P318A...
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P318B P318C P318D P318E P318F P3190. Informs dealer to perform a crankshaft variation relearn, Also notes that SI may not isolate.
This PI communicates a procedure to clean oil leaking from the rain sensor.
This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module.
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Engineering is working on a fix, but in the meantime, dealers are to install a diode.
This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction...
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through technical assistance.
Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in...
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these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer.
This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire...
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or rough run and what to replace if found the cause.
Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in...
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these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 23, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 23, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the engine. The repairs will be made at no charge to the customer.
This Preliminary information communicates that you may notice a black screen on their radio display.
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This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication...
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issues.
This Preliminary information communicates the possibility of DTCP30BFfailing on low mile vehicles due to the possibility...
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of the cylinder 1/2 sliding barrel binding on intake camshaft.
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise.
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Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise.
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Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
Certain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise.
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Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to...
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correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set.
This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
This Preliminary information communicates to dealers information related to aMalfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting.
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Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises toutilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.
This Preliminary information communicates that youmay notice a black screen on their radio display.
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This can happen for a period of a couple seconds or the entire ignition cycle.Engineering is aware of the issue and investigating.
This Preliminary information communicates to use a vacuum to remove any packing material found on top of the service...
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valve body assembly.
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
General Motors has decided to conduct an Emission Recall involving certain vehicles with a 3.0L diesel engine and non-ETRS transmission.
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The Engine Control Module (ECM) may not properly respond to certain service tool requests for the datafile CALID (part number) and CVN (checksum). This condition may cause a vehicle to fail an emissions Inspection/Maintenance (I/M) test. Dealers are to reprogram the Engine Control Module.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
Certain 2022 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 2.7L engine (RPO L3B), may...
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have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under certain driving conditions. This update will complete the remedy for GM Recall No. N242450630 and no additional steps are needed after a successful update. You will also receive a letter providing additional details regarding this issue. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual...
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noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that...
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does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a...
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gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a...
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sticking valve that may cause the MIL to illuminate.
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed...
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parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
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GDS 2.
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the...
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customer.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail.
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If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Evaporative Emissions Purge Pump as necessary. The repairs will be made at no charge to the customer.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This engineering information (EI) closure ends the need for gathering additional information from technicians in regard...
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to diesel fuel on the ground.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a...
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gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
This informational bulletin advises the technician of a part number change for long block engines used in the trucks...
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noted.
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a...
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gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal...
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test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a...
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gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
This Preliminary information communicationprovides information to the technician on installing Regular Production Option...
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Code UVC Rearview Camera.Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument...
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Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
This Preliminary information communicates to the dealer, an issue where the wrong part number Engine Control Module is...
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shipped to the dealer, leading to DTCs and programming issues.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This informational bulletin advises the technician of a part number change for long block engines used in the trucks...
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noted.
This Preliminary information communicates information that Engineering is aware of a concern where the collision /...
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detection alert changes from audible beep to haptic feedback on its own and are working on a repair.
This bulletin advises the tech of a part number change for the engine kit assembly.
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to...
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a Chirp, Squeal, and/or Whine Type Noise Heard from Front of Vehicle During a Cold Start and/or While in Operation.
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication...
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issues.
This service bulletin provides a procedure to replace the rear crankshaft seal ito correct a customer concern of an oil...
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leak from the center of the vehicle.
This bulletin advises the tech of a part number change for the engine kit assembly.
Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a...
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gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 26, 2024, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 26, 2024, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (Customers) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customers right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards on hearing one or more of the following noises coming from the front of the vehicle during a cold start and/or while in operation.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This bulletin advises the tech that if the wrong mounts are installed, this may be the cause of the engine vibration.
This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a...
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sticking valve that may cause the MIL to illuminate.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC...
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Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, Various DTCs.
This engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards to diesel fuel on the ground.
This service bulletin provides a procedure to replace the rear crankshaft seal ito correct a customer concern of an oil...
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leak from the center of the vehicle.
Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that...
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does not sufficiently control fuel injector flow rate under certain driving conditions. Dealers are to reprogram the ECM.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event...
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that is caused by the incorrect crankshaft position sensor.
This Preliminary Information communication advises the technician on a parts restriction on the Generation I 8 speed...
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rear wheel drive valve bodies.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This Preliminary information communicates apart restriction for certain MY 2.7 L3B service engines
This Preliminary information communicates to the dealer, an issue where the wrong part number Engine Control Module is...
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shipped to the dealer, leading to DTCs and programming issues.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication...
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issues.
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough...
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idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This informational bulletin advises the technician that the engine and related parts will be debited if found that the...
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tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This technical bulletin provides a procedure to test the intake manifold for any possible leaks that may cause the...
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customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172, P026D, P2459, and/or P2A00 Set.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
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GDS 2.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an enginenoise...
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condiion.The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.
This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine...
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hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication...
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issues.
his Preliminary information communicates an issue that when an engine mount is replaced there may be additional parts...
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replaced along with the engine mount and dealership are to reference the parts catalog to determine if additional parts are needed.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
This Preliminary information communicates apart restriction for certain MY 2.7 L3B service engines
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this...
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occurrence.
This Preliminary information communicates the possibility of DTCP30BFfailing on low mile vehicles due to the possibility...
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of the cylinder 1/2 sliding barrel binding on intake camshaft.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted andnot start afterward.
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This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer ofa repair kit they received that will prevent this issue when installed correctly.
This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the...
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crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related serviceprocedures.
This Preliminary information communicatesthat trucks built at Oshawa assembly utilize a powder anti-chip material...
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process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the...
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possibilities of what may happen using the incorrect filter.
This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing,...
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Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set.
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct...
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conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This technical bulletin provides repair information to load L3B Turbocharger Wastegate Service Calibration to correct a...
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customer concern of a screeching noise on engine shutdown.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin provides information for engine oil life monitor operation calculation.
This technical bulletin provides a procedure to test the intake manifold for any possible leaks that may cause the...
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customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172, P026D, P2459, and/or P2A00 Set.
This service bulletin provides information for engine oil life monitor operation calculation.
This bulletin updates the position of General Motors on refinishing aluminum wheels.
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GM has determined that wheel refinishing under warranty will no longer be performed.
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough...
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idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found.
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough...
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idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.
This Preliminary information communicates an issue with premature brake pad life and engineering is working on release...
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new pad lining material.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough...
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idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This Preliminary information communicates to dealers? information related to aMalfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting.
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Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises toutilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours.
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This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are...
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found to be the cause of the failure of the valve body.
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed...
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parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are...
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found to be the cause of the failure you the valve body.
This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.
This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to...
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Window Motor Changes Related to Microprocessor Shortage.
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct...
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conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This Preliminary information communicates that youmay notice a black screen on their radio display.
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This can happen for a period of a couple seconds or the entire ignition cycle.Engineering is aware of the issue and investigating.
This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough...
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idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated.
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does...
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not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This service bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil...
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leak from the center of the vehicle.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
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and improve fuel economy.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
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the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage...
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patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
This engineering information (EI) closure ends the need for gathering further information from technicians regarding...
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information to inform dealership personnel on elevated Warranty being seen on A/C compressors.
This Preliminary information communicationprovides information to the technician on installing Regular Production Option...
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Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 153. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This Preliminary Information communication provides information to the technician about vibration complaints that are...
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one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
This Preliminary informationprovides information to the technician on installing a roof beacon light.
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Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension...
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housing and to perform testing on transmission for other possible issues, but it still may be possible on high mileage vehicles that orifices in housing may have come dislodged, causing the same customer concern.
This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra...
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Equipped with Diesel Engine Setting DTCs P20BB or P20C3.
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC...
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Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, Various DTCs.
This Preliminary information communicates that youmay notice a black screen on their radio display.
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This can happen for a period of a couple seconds or the entire ignition cycle.Engineering is aware of the issue and investigating.
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage...
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patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This technical bulletin provides repair information to correct a customer concern of After a Remote Start When the Start...
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Button Is Pressed the Engine May Stall or Will Not Restart.
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and...
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Recommendations.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the...
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possibilities of what may happen using the incorrect filter.
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible...
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damage or corrosion that might be caused by a damage grommet inside the electrical connector.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This informational bulletin advised the technician that the engine and related parts will be debited if found that the...
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tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine...
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hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed regarding information to inform dealership personnel on elevated Warranty being seen on A/C compressors.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
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GDS 2.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineers listed regarding information to inform dealership personnel of elevated Warranty being seen on A/C compressors.
This engineering information (EI) closure ends the need to gather further information from technicians regarding taking...
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pictures of decals wrinkling, peeling, bubbling, discoloration, delaminating and/or coming off.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
Service Update: Certain vehicles may have an Engine Control Module that does not properly respond to certain service...
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tool requests for the datafile CALID (part number) and CVN (checksum). This condition may cause a vehicle to fail an emissions Inspection/Maintenance (I/M) test. Dealers are to reprogram the Engine Control Module.
This Preliminary information communicates an issue that when an engine mount is replaced there may be additional parts...
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replaced along with the engine mount and dealership are to reference the parts catalog to determine if additional parts are needed.
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher.
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Engineering is working on a fix.
This Preliminary information communicationprovides information to the technician on installing Regular Production Option...
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Code UVC Rearview Camera.Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher.
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Engineering is working on a fix.
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher.
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Engineering is working on a fix.
This Preliminary information communicates to dealers that the Customers may notice audio that is choppy or delayed,GM...
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engineering is aware of the issue and working on a resolution.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regard information to inform dealership personal on elevated Warranty being seen on A/C compressors.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regard information to inform dealership personal on elevated Warranty being seen on A/C compressors.
This service bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil...
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leak from the center of the vehicle.
This service bulletin provides information to dealership personnel on automatic transmission shift and engine...
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driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This Preliminary information communicates an issue with the mirror puddle lights only stay on for a few seconds and then turning off.
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Engineering has released new updated lighting control module calibrations to correct the issues. Dealers are to reprogram the lighting control module.
This Preliminary information communicates of a software concern that General Motors is working on a fix for
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
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vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This Preliminary information communicatesinformation to the technician that if they receive a vehicle with this concern...
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and verifying the rear view camera is zoomed in,General Motors is aware of this and have created a repair.
This Preliminary information communicatesinformation to the technician that if they receive a vehicle with this concern...
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and verifying the rear view camera is zoomed in,General Motors is aware of this and have created a repair.
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument...
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Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is...
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being investigated by GM Engineering.
This engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards information to inform dealership personal on elevated Warranty being seen on A/C compressors.
This service bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil...
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leak from the center of the vehicle.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This informational bulletin provides a possible cause of transmission issues from debris in the valve body and how to...
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test/diagnose the trans to determine a possible cause of the customer's concern.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This technical bulletin provides repair information to correct a customer concern of Engine RPO L3B P0299 Service...
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Calibration.
This technical bulletin provides repair information to correct a customer concern of Engine Control Module Software...
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Anomalies with MIL Illuminated and DTC P060C Set.
This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad...
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replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
This engineering information (EI) closure ends the need for further information from technicians in regards to the Check...
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Engine Lamp Illuminated on the Driver Information Center (DIC).
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This Preliminary information communicates to the dealers information relatedMalfunction Indicator Lamp (MIL) illuminated...
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in the Driver Information Center (DIC). Technicians may find DTC P0299 may be stored Current or in recent history. Technicians are advised of updatedEngine Control Module Calibrations becoming available.
This technical bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil...
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leak from the center of the vehicle.
This technical bulletin provides sound examples and a procedure to aid in validating and if found , repairing the...
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customers concern caused by the balance shafts of the engine.
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This service bulletin provides information for the technician that may experience a condition when after performing a...
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DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
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internal engine damage.
This engineering information (EI) closure ends the need for further information from technicians in regards to the Check...
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Engine Lamp Illuminated on the Driver Information Center (DIC).
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed.
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On certain models, dealerships are to reprogram the BCM to correct the issue. The remaining models engineering is working on a fix.
This Preliminary information communicates an issue with the front view camera setting a DTC U3000 and disabling.
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Engineering is working on a fix.
This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed.
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On certain models, dealerships are to reprogram the BCM to correct the issue. The remaining models engineering is working on a fix.
This Preliminary information communicates a diagnostic tip for an issue where the starter stays engaged after the engine starts.
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Dealers are to suspect/monitor the crankshaft position sensor.
This Preliminary information communicates thatwhen they connect a trailer to the truck that there is a Service Trailer...
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Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for theTrailer Brake Control Switch.GM Engineering released an updated trailer brake switch,See Customer Satisfaction Program N222384930.
This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed.
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Engineering is working on a fix.
This Preliminary information communicatesthat trucks built at Oshawa assembly utilize a powder anti-chip material...
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process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module...
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setting DTC: P0606 and turning on a Check Engine Lamp.
This technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.
This service bulletin provides information for after installation of a replacement upper valve body, the transmission...
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may have no Reverse and no 2nd gear.
This technical bulletin provides repair information to correct a customer concern of After a Remote Start When the Start...
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Button Is Pressed the Engine May Stall or Will Not Restart.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards to the Check Engine Lamp Illuminated on the Driver Information Center (DIC).
This technical bulletin provides repair information to correct a customer concern of Engine Control Module Software...
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Anomalies with MIL Illuminated and DTC P060C Set.
This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
This service bulletin provides information for the technician that may experience a condition when after performing a...
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DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
Other
144 bulletinsThis Preliminary information communicates the potential for DTC u060F u1345 to fail and suggest clearing dtc to confirm...
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they reset before proceeding with diagnosis
This Preliminary information communicates the possibility of DTC p0011 p0016 and potential for a rattle or ticking noise...
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to occur from the Intake Cam Actuator, or cover plate screws backing out and making contact with Cam carrier
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
New Vehicle Monitoring Programs Section in IVH
This informational bulletin provides information on Anti-Chip Coating Appearance.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera...
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and dealers to replace the camera.
This Preliminary information communicates where to find the back antenna for learning new key fobs.
This Preliminary Information communication provides information to the technician about vehicles that may have a bump...
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feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an...
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aluminum pan should be used with a new LCE.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates recovery procedure after return to dealer message.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off...
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Message / Unwanted Or False Park Assist Alerts / No DTCs.
This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This Preliminary information communicates an issue with super cruise unavailable due to the drivers monitoring camera...
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and dealers to replace the camera.
This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found...
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by a possible faulty trailer connector.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an...
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aluminum pan should be used with a new LCE.
This Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs /...
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Transmitters.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
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and repair procedures.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM...
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technical assistance case using the dealer case management tool.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This Preliminary information communicates recovery procedure after return to dealer message.
This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions...
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and when the time is right to fill the DEF at that time frame.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
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and repair procedures.
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high...
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amount of dirt or dust which can migrate to the filler cap area.
This Preliminary information communicates how to find and address aftermarket Equipment that prevents Supercruise from...
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engaging.
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern...
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is being researched
This Preliminary information communicates information on how to select bootloader part number if there are issues SPS...
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programming the IPC.
This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation...
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instructions for the 9L7 Upfitter Switches.
This Preliminary information communicates that GM is working on a resolution to the concern.
This Preliminary information was created to communicate to dealers that the GCW message can be turned off thru settings.
This Preliminary information communicates that GM is working on a resolution to the concern.
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
This Preliminary information communicatesdirection and examples when diagnosing multiple DTCs, one of which includes...
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U**** Byte 71 DTC.
This Preliminary information communicates the possibility of the Intake Cam Actuatorcover plate screws backing out and...
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making unwanted contact with the Cam Carrier.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
This Preliminary information communicates to dealer instructions for diagnosing Google Maps concerns
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates to dealer instructions for diagnosing Google Maps concerns
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the...
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option.
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.
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Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product...
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Allegation Resolution (PAR) claim.
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up...
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on the glow plug causing a premature failure.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
This technical bulletin provides repair information to correct a customer concern of SuperCruise Unavailable No road...
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Info: Road Expansion.
Customer Satisfaction Program.
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On certain vehicles, the customer may not have been provided with the 2 additional smart key fobs that were purchased. Dealers are to provide the customer with 2 unprogrammed smart key fobs.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found...
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by a possible faulty trailer connector.
This Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs /...
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Transmitters.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates where to find the back antenna for learning new key fobs.
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high...
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amount of dirt or dust which can migrate to the filler cap area.
This Preliminary information communicates how to isolate a tick noise from the rear axle housing.
This Preliminary information communicates where to find the back antenna for learning new key fobs.
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models,...
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Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation...
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instructions for the 9L7 Upfitter Switches.
This Preliminary information communicates that the rear axle RPO may have been miscoded in the vehicle build.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product...
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Allegation Resolution (PAR) claim.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found...
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by a possible faulty trailer connector.
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.
This technical bulletin provides repair information to correct a customer concern of Cluster Graphics Programming...
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Failure.
This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
Customer Satisfaction Program.
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Final VINs Released Message.
This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and...
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what may be the cause of said issue.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
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and repair procedures.
Customer Satisfaction Program.
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Opened more VINs for repair.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
Customer Satisfaction Program.
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Remaining CT4 and CT5 VINs released to open.
This bulletin advises the technician of a possible coolant hose that might be kinked causing the customer concern.
Customer Satisfaction Program.
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We are pleased to announce that all remaining GMC Yukon, Yukon XL, and Chevrolet Blazer VINs have been moved to an Open status.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise...
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coming from the rear of the vehicle.
This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
This Preliminary information communicates the possibility of the reaction carrier as root cause for the noise.
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
This technical bulletin provides repair information to correct a customer concern of No Alert Tones from Rear Cross...
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Traffic Alert.
This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the...
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option.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs /...
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Transmitters.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates the possibility of the Intake Cam Actuatorcover plate screws backing out and...
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making unwanted contact with the Cam Carrier.
Customer Satisfaction Program.
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Certain vehicles may have been shipped without two additional key fobs. Dealers are to provide customers with the two additional key fobs. Note: Programming of key fobs is at customers expense.
Customer Satisfaction Program.
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Message sent to dealers to announce the final VINs were released.
This Preliminary information communicates where to find the back antenna for learning new key fobs.
This Preliminary information communicates to dealers GM is aware of the issue and working on a resolution
This informational bulletin advises the tech on where possible issues may be found when dealing with the dtcs that are...
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set.
This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This technical bulletin provides repair information to correct a customer concern of Volume Selection Does Not Clear...
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from DIC After Adjusting Volume.
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up...
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on the glow plug causing a premature failure.
This Preliminary information communicates vehicles being built without certain options due to a parts shortage.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.
This technical bulletin provides repair information to correct a customer concern of Unable to Dismiss Turn By Turn...
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Directions from the DIC.
This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models,...
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Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.
Customer Satisfaction Program.
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Added population.
Electrical
106 bulletinsThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC'ss
This PI was created to help avoid unnecessary front camera module replacements
This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an...
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event like a lightning strike, battery jump started backwards, failure over the air update, etc.
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due...
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to a timing issue and it may have nothing related to the customers complaint. A software update will be available to repair these flase DTC's
This PI was created to help avoid unnecessary front camera module replacements
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This PI Addresses a possible solenoid wiring fault and how to inspect the build date to identify
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
This Preliminary information communicates an issue with the dome light off switch not working after the BCM goes asleep.
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Advise dealership it is working as designed.
This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a...
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dead battery.
This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by...
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replacing the passenger presence module.
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the...
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load on the system that may be causing a drain.
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
This Preliminary information communicates how to erase a DTC that is falsely setting due to a software concern with the...
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Image Processing Module
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use...
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for certain repairs, such as Wiring Harness Repairs.
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to...
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inspect the body harness pass through for being full seated into the cowl.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
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a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This Preliminary information communicates a issue where the park assist module can set current communication dtc's due...
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to a timing issue and it may have nothing related to the customers complaint. A software update will beavailable to repair these false DTC's
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
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repairing wiring harnesses.
This Preliminary information communicates information on faulty replacement K111Fuel Pump Driver Control Module.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the...
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load on the system that may be causing a drain.
This service bulletin provides information on key code security rules and information on GM keycode look-up applications...
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(U.S).
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update.
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Dealers are to reprogram the serial data gateway module.
This service bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map...
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Module (HDLM) - SuperCruise Unavailable.
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update.
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Dealers are to reprogram the serial data gateway module and the radio.
Customer Satisfaction Program.
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Certain vehicles equipped with Super Cruise require high-definition road maps to be updated frequently. This ensures the vehicle is current with road changes and any additional Super Cruise approved mapped roads. Dealers will reprogram the automated driving mapping control module.
This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map...
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Module (HDLM) - SuperCruise Unavailable.
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance...
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that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This Preliminary information communicates a diagnostic tip for an SES MIL at startup with DTC U0100.
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Dealer are to test the accessory wake up circuit to the ECM for power.
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to...
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inspect the body harness pass through for being full seated into the cowl.
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles.
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It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map...
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Module (HDLM) - SuperCruise Unavailable.
This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map...
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Module (HDLM) - SuperCruise Unavailable.
This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map...
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Module (HDLM) - SuperCruise Unavailable.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E.
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Main cause is aftermarket electrical devices spliced into the ignition main fuses.
This Preliminary information communicates some diagnostic tips to inspect for no/low voltage at the ECM for a customers...
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complaints of a SES MIL, Crank No Start, stalling DTC's:P16A7 and/or P16AF.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
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a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
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repairing wiring harnesses.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain vehicles built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain vehicles listed, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module
This technical bulletin provides repair information to correct a customer concern of Electronic Lighting Control Module...
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Loose or Hanging out of BCM Bracket.
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This Preliminary information communicates an issue where an aftermarket autostop device is causing a dead battery.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag...
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Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.
Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023...
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model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
This service bulletin provides repair information to correct a customer concern of Lane Keep Assist Unavailable /...
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Adaptive Cruise Control Inop / Service Driver Assist Systems / Amber Front Collision Icon On / Dead Battery / No Crank / Front View Camera / Auto Start Stop Inop / Unable to Complete Camera Learn Stops At 94% /DTC U3000 44 49 54 and/or 57.
Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021.
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The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This service bulletin provides repair information to correct a customer concern of Lane Keep Assist Unavailable /...
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Adaptive Cruise Control Inop / Service Driver Assist Systems / Amber Front Collision Icon On / Dead Battery / No Crank / Front View Camera / Auto Start Stop Inop / Unable to Complete Camera Learn Stops At 94% /DTC U3000 44 49 54 and/or 57.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
This Preliminary information communicates to the field how to address DTC: B2BA1 for Map module version being out of...
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date and causing a Service Drivers Assist message.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights...
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shut off due to excessive load on the running lamp circuit.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on...
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inspecting the LIN bus.
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not...
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functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module to restore the Park Assist feature. Note: some vehicles may also require reprogramming of the instrument cluster or the active safety control module.
Customer Satisfaction Program.
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Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning January 6, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the heated steering wheel control module.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain...
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2022-2023 model year vehicles listed above, built beginning January 6, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the heated steering wheel control module.
This service bulletin provides information for U.S.
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dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
Pre-Delivery & Maintenance
95 bulletinsThis Preliminary information communicates direction to find information atwww.gmupfitter.comfor Police and Special...
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Service Vehicles.
This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may...
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not pass California smog inspection or smog inspection in other states.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
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that request to disable or enable content.
This service bulletin provides information on proper use of floor mats.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special...
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Service Vehicles.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
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shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
This service bulletin explains how to identify possible DEF system contamination.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
This service bulletin describes the U.S.
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Dealer Special Tool Loan Program process.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
This service bulletin advises the technician that the purge pump part number has changed and limited supply.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
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repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling,...
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Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle...
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services and maintenance on vehicles originating/sold in Canada.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
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the warranty transaction submission procedures that support the Personal Property Damage process.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information on proper use of floor mats.
This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME)...
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FAQs.
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
This service bulletin provides technicians with information to help identify the differences between what is considered...
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a fluid leak, and what is considered fluid seepage.
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
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Assistance Center (TAC).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted...
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Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
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shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with...
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Vehicle Intelligence Platform (VIP).
This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
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E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with...
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Vehicle Intelligence Platform (VIP).
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate...
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Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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Only).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
This informational bulletin advises the tech the possible causes of the DTCs that set and how to maintenance the issue.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
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warped or misshapen.
This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME)...
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FAQs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
This service bulletin describes the U.S.
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Dealer Special Tool Loan Program process.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
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Assistance Center (TAC).
This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A,...
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B395B, B395C, B101E, B101D.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This service bulletin explains how to identify possible DEF system contamination.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This service bulletin provides information on proper use of floor mats.
This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related...
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Issues - DTCs B395A, B395B, B395C, B101E, B101D.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before being sold (prepping) to the customer.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
This service bulletin explains how to identify possible DEF system contamination.
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted...
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to GM for payment.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S.
Read full bulletin
Only).
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
Infotainment
88 bulletinsThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Improvements to OnStar functionality.
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During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
Improvements to OnStar functionality.
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During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PI created to provide direction to dealers unable to program an IOR radio on a 2022 LD truck
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to inform dealers of a possible issue with an LVDS cable causing the radio to come on unwanted
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and...
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how to reset/clear the message.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not...
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replace any parts at this time.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built...
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In Radio.
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not...
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replace any parts at this time.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This Preliminary information communicates to dealership technicians to contact Techline support to data wipe the radio...
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to clear the PIN.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 ...
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Multiple Updates for IOK.
This Preliminary information communicates to dealership technicians to contact Techline support to data wipe the radio...
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to clear the PIN.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 ...
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Multiple Updates for IOK.
This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation -...
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Flashing Diamond - Spot - or UFO like image on Camera Display.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 ...
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Multiple Updates for IOK.
This service bulletin provides a procedure to correct radio software concerns.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built...
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In Radio.
This Preliminary information communicates that it is normal for the tailgate todropfaster than it used to after the GM...
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Accessory Kicker Audio System isinstalled.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and...
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how to reset/clear the message.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 ...
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Multiple Updates for IOK.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This service bulletin provides a procedure to correct radio software concerns.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google...
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Built-in Radio.
This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This Preliminary information communicates a normal condition with the animation screen for the 2022 Silverado with the...
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ZR2 package.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This Preliminary information communicates that GM is aware of and working on the audio issue
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W164 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W163 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 ...
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Multiple Updates for IOK
This Preliminary information communicates to dealership technicians that if they receive a radio with the 2 stickers as...
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noted above, the radio was remanufactured with missing components and will need to order another radio unit from the ESC to properly repair the vehicle at this time.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 ...
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Multiple Updates for IOK.
(There may be future updates under this same release number.) Your vehicle keeps getting better.
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This software update includes the following if your vehicle is equipped: Refinements: Updates made to improve the Power Window functionality. Updates made to improve the Super Cruise driver assistance technology and the Adaptive Cruise Control functionality. Updates to improve the connectivity within Apple CarPlay, Bluetooth, Google built-in, & Alexa Built-in. A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops
This Preliminary information communicates that it is normal for the tailgate todropfaster than it used to after the GM...
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Accessory Kicker Audio System isinstalled.
This service bulletin provides repair information to update radio software to correct customer concerns of Software...
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related issues.
This Preliminary information communicates that it is normal for the tailgate todropfaster than it used to after the GM...
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Accessory Kicker Audio System isinstalled.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 ...
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Multiple Updates for IOK.
This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red.
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GM is working on a solution to correct this customers concern.
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of...
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software related issues.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built...
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In Radio.
This service bulletin provides repair information to update radio software to correct customer concerns of Software...
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related issues.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y167 ...
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Multiple Updates for IOK.
This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer...
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concerns of radio software issues.
Transmission
56 bulletinsThis PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when...
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ordering
This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when...
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ordering
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when...
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the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This P/I is to advise to inspect the stacked plate heat exchanger as possible root cause for any trans concern.
This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and...
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repair of 8 Speed Transmissions
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear...
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due to seeing grease or sealant on certain locations on the gear.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts,...
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Slips, or Flares.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern...
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noted.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to...
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contact Technical Assistance to make sureunit is not suspect of a snap ring concern prior to installation.
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2...
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software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
This Preliminary information communicates and issue with a no crank, Key Learn Pending or Ready For FOB 3 Message,Unable...
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To Exit RVS With Push To Start Button,Symptoms Of A Dead Battery and has dealership inspect to see if the vehicle is falsely entering the manual transmitter programming and if so to replace the drivers power window switch.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This Preliminary information communicates and issue with a no crank, Key Learn Pending or Ready For FOB 3 Message,Unable...
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To Exit RVS With Push To Start Button,Symptoms Of A Dead Battery and has dealership inspect to see if the vehicle is falsely entering the manual transmitter programming and if so to replace the drivers power window switch.
This Preliminary information communicates diagnostic information for vehicles with transmission noise.
This Preliminary information communicates diagnostic information for vehicles with transmission noise
Certain vehicles may have a condition in which a transmission control body screen detaches from the spacer plate when...
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the vehicle is operated in extremely cold weather conditions. Dealers are to reprogram the Transmission Control Module.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities.
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The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts,...
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Slips, or Flares.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to...
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transmission installation.
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First...
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Start Up/Shift of the Day Under Light Throttle.
This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and...
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repair of 8 Speed Transmissions
This information bulletin advises the technician the difference between a welch cap leak and the output seal of the...
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t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by Rear of Transmission or Transfer Case Area.
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First...
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Start Up/Shift of the Day Under Light Throttle.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when...
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the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation,...
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Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated.
This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts,...
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Slips, or Flares.
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts,...
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Slips, or Flares.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts,...
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Slips, or Flares.
This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear...
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Vision System Message on Radio Display Shifting into Reverse.
Certain vehicles may have been built with an undersized transmission output carrier.
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Dealers will replace the transmission.
Body & Paint
52 bulletinsThis Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist...
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systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked,...
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due to the personalization settings for Auto Door Unlocking.
Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded.
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Dealers will replace the ground strap.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position...
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after curbview assist is used.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position...
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after curbview assist is used.
This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the...
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same speed.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle...
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doors are being closed and the key in vehicle reminder set to off.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This service bulletin provides a procedure to correct a customer concern of Upper Glove Box Door does not Open when the...
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Button is Depressed or Takes Multiple Presses to Open.
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when...
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addressing underbody component corrosion with customers.
This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that...
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have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
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peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the...
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shipping film.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist...
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systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim...
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level for installation instructions for the 9L7 Upfitter Switches.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with...
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passive entry.
This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
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peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the...
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urethane seal.
The informational bulletin advises that the trim beadlock is for decoration and not actual function.
This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising...
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dealership to inspect and reseal the door water deflector.
This Preliminary information communicates that a dealer may find the underhood beauty covers missing.
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The dealer is advised that these are missing by design and should not be ordered for the vehicle.
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
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characteristic.
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed...
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Aluminum Wheels.
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the...
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urethane seal.
This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces,...
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Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist...
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systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with...
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passive entry.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when...
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addressing underbody component corrosion with customers.
This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device...
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installed on the vehicle.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This service bulletin provides information on Paintless Dent Repair Process.
This service bulletin provides a procedure to correct a customer concern of Upper Glove Box Door does not Open when the...
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Button is Depressed or Takes Multiple Presses to Open.
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim...
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and base of the windshield detaching from the upper I/P trim panel.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when...
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addressing underbody component corrosion with customers.
This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the...
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Armrest/Door Switch.
This Preliminary information communicates an issue with hood paint damage from contact of the center hood molding and...
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dealers are to remove the molding, repair the hood paint and add foam tape between the hood and molding contact points to prevent future paint damage.
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
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characteristic.
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and...
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Replacement Guidelines.
Fuel System
41 bulletinsThis PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and...
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advises of warranty direction.
This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State...
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who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
This bulletin provides a procedure to install an exhaust donut if found the cause of the back pressure after the heavy...
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acceleration.
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for...
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analysis.
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446,...
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P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
This bulletin provides information to the tech on how to diagnosis the EGR system from possible issue that may cause the...
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DTCs to set and cause the customers concern of a MIL Illuminated.
This bulletin provides diagnostic information when checking the exhaust system for leaks.
This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs...
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should be.
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446,...
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P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start,...
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Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when...
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identifying flow rate.
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the...
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cause of excessive soot from the tailpipe.
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel...
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Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start,...
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Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start,...
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Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
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fuel system caused by a failed part.
This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when...
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identifying flow rate.
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446,...
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P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on...
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DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on...
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DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.
This Preliminary Information communication provides information to the technician about vehicles that may have a bump...
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feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
This technical bulletin provides a procedure to correct the condition of Missing French Translation Label on Fuel Cap.
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446,...
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P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter...
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Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This service bulletin provides information on availability of Diesel Fuel additives.
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446,...
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P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
This bulletin provides diagnostic information when checking the exhaust system for leaks.
This service bulletin provides information on availability of Diesel Fuel additives.
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the...
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cause of excessive soot from the tailpipe.
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust...
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Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
This bulletin provides diagnostic information when checking the exhaust system for leaks.
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the...
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fuel system caused by a failed part.
This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set...
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the DTC.
Lighting
39 bulletinsThis preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL...
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along with several low speed lan DTCs.
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a...
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written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owners manual and warranty insert containing this information in English and Spanish.
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a...
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written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owners manual and warranty insert containing this information in English and Spanish.
This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start,...
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Stalling, Malfunction Indicator Lamp (MIL) Illuminated DTC P023F or P129F Set.
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start,...
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Stalling, Malfunction Indicator Lamp (MIL) Illuminated DTC P023F or P129F Set.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service...
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procedure and to warn dealership tech to make sure the correct part number WSS is installed.
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance...
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Schedules.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This technical bulletin provides repair information to correct a customer concern of Shake and/or Shudder During Steady...
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Speed and/or Light Throttle Acceleration Between 25 and 50 MPH (40 and 80 KM/H).
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
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Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates a diagnostic tip for unwanted washer pump activation, flickering headlamp, and...
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horn unwanted, due to a possible concern withground G104.
This bulletin advises the technician of a possible kinked coolant hose that might be causing the customers concern of a...
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Malfunction Indicator Lamp (MIL) Illuminated - DTC P026A Set.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE)...
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Tires and PDI installed Limited Production Option (LPO) Tires.
This Preliminary information communicates to the dealers information related to aMalfunction Indicator Lamp (MIL)...
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Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
This service bulletin provides repair information to correct a customer concern of the rearview driver information...
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camera intermittent in low light conditions - replace camera.
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or...
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Fog/Driving Lamp Damage.
This Preliminary information communicates an issue of the wrong part number WSS being installed during a service...
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procedure and to warn dealership tech to make sure the correct part number WSS is installed.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin provides repair information to correct a customer concern of the rearview driver information...
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camera intermittent in low light conditions - replace camera.
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates to the dealers information related to aMalfunction Indicator Lamp (MIL)...
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Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
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Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire Size for...
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Accessory Wheel Packages.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
Brakes
26 bulletinsThis preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition.
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Dealer are to inspect the battery, battery connections and for any aftermarket devices.
This Preliminary Information communication provides information to the technician about customers that may request the...
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factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of...
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Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to...
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facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This technical bulletin provides a procedure to inform drivers that under certain driving conditions such as hilly or...
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mountainous roads accompanied with frequent braking, that the original equipment front brake pads may wear prematurely.
This Preliminary Information communication provides information to the technician about customers that may request the...
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factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of...
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Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This Preliminary information communicates an issue with theHydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
Certain vehicles may have a condition in which the trailer brake function is inoperative.
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Dealers will install a new Integrated Trailer Brake Control Switch on the instrument panel and reprogram the Instrument Panel Cluster (IPC) and the Electronic Brake Control Module (EBCM).
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary Information communication provides information to the technician about customers that may request the...
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factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of...
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Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
Customer Satisfaction Program - certain vehicles may have a Service Trailer Brake message set when a trailer with...
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electric brakes is connected and the driver attempts to use the manual apply slider on switch or depress the brake pedal while towing. Dealers are to replace the Trailer Brake Control Switch.
This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
Software & Calibration
19 bulletinsThis Preliminary information communicates to the technician that GM is aware of this concern and to update the Google...
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maps application through the playstore.
This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue,...
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they can contact TCSC to have the software for the MDI backdated to communicate properly.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue,...
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they can contact TCSC to have the software for the MDI backdated to communicate properly.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this...
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communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
This Preliminary information communicates an issue with the IPC incorrectly listing Sport mode as a selection and...
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dealers are to reprogram the IPC to correct this concern.
This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google...
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maps application through the playstore.
This Preliminary information communicates a software anomaly that will cause a Forward Collision Unavailable message and...
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a possible orange telltale on the DIC and to update vehicle software to resolve the concern.
This technical bulletin provides repair information to correct a customer concern of UDV Cluster Software version 162.3
This Preliminary information communicates to dealer on how to check for an OTA update pending
This service bulletin provides technicians with updated information to help identify the differences between what is...
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considered a fluid leak, and what is considered fluid seepage.
(There may be future updates under this same release number.) Your vehicle keeps getting better.
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This vehicle software update includes the following: Refinements Updates made to the overall vehicle software update process. Better Never Stops
This technical bulletin provides repair information to correct a customer concern of UDV Cluster Software version 162.3.
This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
This technical bulletin provides repair information to correct a customer concern of Cluster RPO UDV 162.1 Software...
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Update Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Instrument Cluster RPO UDV 162.2...
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Software Update Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Instrument Cluster RPO UDV 162.2...
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Software Update Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Cluster RPO UDV 162.1 Software...
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Update Multiple Updates.
Tires & Wheels
18 bulletinsThis service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM...
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Vehicles.
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab...
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and pickup box on driver side of vehicle.
This technical bulletin provides repair information to correct a customer concern of the pickup box being out of...
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alignment.
This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading...
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Up To 100 PSI, New Parts To Increase To 147 PSI.
This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start...
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condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start...
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condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
This Preliminary information communicates the proper procedures for doing an alignment on a vehicle with super cruise...
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that has a pulling complaint.
This service bulletin provides a procedure to replace the front wheel drive shaft to correct a customer concern of a...
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Squeak/Chirp Noise from Front Axle in 2wd.
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all...
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repairs requiring balance and Road Force measurement.
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab...
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and pickup box on driver side of vehicle.
This technical bulletin provides repair information to correct a customer concern of the pickup box being out of...
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alignment.
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
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Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all...
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repairs requiring balance and Road Force measurement.
This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start...
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condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
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Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading...
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Up To 100 PSI, New Parts To Increase To 147 PSI.
Steering
13 bulletinsThis service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
This Preliminary Information communication provides information to the technician with additional information on the...
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functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
This Preliminary information communicates a diagnostic tip to inspect the main ground connection when diagnosing any...
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lack of power steering assist issues with DTCsC1597 and/or C1599.
Customer Satisfaction Program.
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Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
Customer Satisfaction.
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Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
'Your vehicle keeps getting better.
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This software update includes the following if your vehicle is equipped: Refinements: Updates made to ensure a seamless connection upon startup with SiriusXM. Updates made to the Radio Favorites functionality on the steering wheel to prevent unwanted interruption of user experience. A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops (There may be future updates under this same release number.)
Customer Satisfaction Program.
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Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
Customer Satisfaction Program.
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Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
Customer Satisfaction Program.
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Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
Customer Satisfaction Program.
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Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
HVAC & Climate
10 bulletinsThis service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold...
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weather climates and testing those batteries.
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the...
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heater core inlet and outlet hoses for being twisted or kinked.
This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for...
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Passenger and Driver Mirrors.
This Preliminary information communicates an issues will low or poor heater performance on the drivers side.
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Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the...
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heater core inlet and outlet hoses for being twisted or kinked.
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for...
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Passenger and Driver Mirrors.
This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the...
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heater core inlet and outlet hoses for being twisted or kinked.
Customer Satisfaction Program.
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Due to the industry-wide semiconductor shortage, the front driver and passenger seat cushion ventilation blowers are not functional on certain 2022-2023 model year vehicles listed above, built beginning March 30, 2022. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the non-functional seat cushion ventilation blower with a functional one. Note: Some vehicles may also require the Heated/Ventilated Seat retrofit which must be performed prior to completing this procedure. Use IVH to verify if the vehicle is involved in the Heated/Ventilated Seats Retrofit (N212354520 or N212354522).
Hybrid & EV
9 bulletinsThis service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or...
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USB Receptacle Inoperative.
This service bulletin provides information on AGM batteries that require less frequent charging in storage.
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO...
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updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest...
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ISO update on Apple 15 phones.
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest...
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ISO update on Apple 15 phones.
This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When...
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Using iPhone and Samsung Phones at Offset Positions.
This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When...
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Using iPhone and Samsung Phones at Offset Positions.
This service bulletin provides information on AGM batteries that require less frequent charging in storage.
This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When...
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Using Samsung Phones at Offset Positions.
Suspension
4 bulletinsThis Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel...
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fuel contamination that may occurduring refueling after the fuel nozzle is removed from the fuel filler pipe. Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.
This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel...
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fuel contamination that may occurduring refueling after the fuel nozzle is removed from the fuel filler pipe. Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.
This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air...
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suspension system are fully seated.
This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel...
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fuel contamination that may occurduring refueling after the fuel nozzle is removed from the fuel filler pipe. Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.
Air Bags & Safety
3 bulletinsThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
This Preliminary information communicates assistance in locating theRear seat belt comfort guidesin the parts catalog.
This service bulletin provides information on availability for a seat belt extender.