2020 Gmc Sierra 3500 TSBs
886 Technical Service Bulletins across 17 categories
Categories
Engine
242 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 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 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 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 bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
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 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 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 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.
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 to the outside rearview mirror skull cap missing.
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 an issue with blower motor speed changing when air flow is blocked by snow.
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 communicates information on ahydrauilc rush type noise from the power steering gear.
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This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
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.
Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.
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 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 service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This informational bulletin provides information on higher than expected oil consumption.
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.
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.
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."
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 Preliminary information communicates information on adding RPO UF3 Fast Idle to a vehicle.
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 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 service bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
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 informational bulletin provides information on higher than expected oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
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operation and no parts should be replaced for these normal operating conditions.
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 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 informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant...
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leaks.
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 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 technician to reference the electronic parts catalog to check...
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the EGR valve part number that was installed.
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
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 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 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 service bulletin provides information for engine oil life monitor operation calculation.
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 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 bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.
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 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 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 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 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 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 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 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 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 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 technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated.
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They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration. As well as the exhaust brake not working or that they do not feel it. Technicians may find DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5.
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 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 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 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 explains how to measure for oil consumption and possible reasons for loss of oil.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
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 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 an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative...
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After Remote Vehicle Start concern.
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 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 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 provides information on higher than expected oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
Read full bulletin
operation and no parts should be replaced for these normal operating conditions.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
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 Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
This Preliminary informationprovides information to the technician on relocating the DEF tank to install a service body.
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Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
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 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 working on a solution for the concern.
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 Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear.
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This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out.
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 Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
Read full bulletin
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 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 bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head...
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gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
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 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 communicationprovides information to the technician on installing Regular Production Option...
Read full bulletin
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 communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern.
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 bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head...
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gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
This engineering information (EI) closure ends the need for further information from the field in regards to Service...
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Engine Soon (SES) Lamp illuminated and/or Service Emissions System message on the Driver Information Center (DIC).
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 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 information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle...
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Identification.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant...
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leaks.
Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph.
This informational bulletin provides information on higher than expected oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
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operation and no parts should be replaced for these normal operating conditions.
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 replacing the intake manifold when the engine is replaced after severe...
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internal engine damage.
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 Service Engine Soon (SES) Lamp illuminated and/or Service Emissions System message on the Driver Information Center (DIC).
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the...
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engine is started while diagnosing for noise from the engine or transmission.
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and...
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Recommendations.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
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 technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
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 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 engineering information (EI) closure ends the need for further information from the field in regards Service...
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Emission System and/or DEF Level Low message on 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 technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp...
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Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 and/or P20EE Set Current or in Recent History.
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
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 Service Engine Soon (SES) Lamp illuminated and/or Service Emissions System message on the Driver Information Center (DIC).
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
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operation and no parts should be replaced for these normal operating conditions.
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 Service Emission System and/or DEF Level Low message on 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 informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold...
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or the vehicle has sat for a few hours.
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
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 Preliminary information communicates diagnostics to the dealer involving a vehicleshudder concern caused by the...
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camshaft actuator system that can be mistaken for a transmission issue.
This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the...
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regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. The recall will address that currently under certain operating conditions, higher than necessary temperatures may be used to clean the Diesel Particulate Filter (DPF) during the regeneration cycle. Dealers are to reprogram the Engine Control Module (ECM) and Transmission Control Module (TCM).
This Preliminary Information communication provides information to the technician about a no start or another concern...
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after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressureimmediately...
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following engine oil and filter changedue to oil filter and main oil gallery being drained or empty.
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 Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the...
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service engine soon light, cause the engine to run rough and/or display reduced engine power message. Dealers are instructed to replace the throttle body assembly and install a grounding wire from the throttle body to the valve cover to prevent future failures.
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being...
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illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration.
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 bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint.
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GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY).
This Preliminary informationprovides information to the technician on relocating the DEF tank to install a service body.
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Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
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 Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve...
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and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root causingthe P2B60.
This Preliminary information communicates to the dealer technicians a warm engine knock noise hasno short or long term effects on the engine.
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Do not attempt repairs for this noise.
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 communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat...
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and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.
On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the...
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following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.
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 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 communicates to dealer technicians normal operating characteristics of the turbocharger...
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exhaust brake.
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 preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the...
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timing chain, and adding a shim to the camshaft position sensor.
This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear.
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This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
This Preliminary information communicates diagnostics to the dealer involving a vehicleshudder concern caused by the...
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camshaft actuator system that can be mistaken for a transmission issue.
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.
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Technicians shouldrefer to Service Information for information regarding most accessories. Technicians mayalso contact PARTECHand/orthe Techline Customer Support Center for additional support.
This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the...
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timing chain, and adding a shim to the camshaft position sensor.
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 the Service Engine Soon (SES) lamp illuminated and/or Service Emission System Message on the Driver Information Center (DIC).
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 the Service Engine Soon (SES) lamp illuminated and/or Service Emission System Message on the Driver Information Center (DIC).
This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering...
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column over bumps and ask dealerships to replace the upper column shaft.
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 check to the engine lamp being illuminated on the drivers information center (DIC).
GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check...
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list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers information center (DIC).
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 the rear sliding window leaking water.
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 the rear sliding window leaking water.
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 the rear sliding window leaking water.
GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check...
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list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers information center (DIC).
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 the rear sliding window leaking water.
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 the rear sliding window leaking water.
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 the rear sliding window leaking water.
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards...
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to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose.
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 an intermittent no start.
This engineering information (EI) is requesting information from technicians and to contact the engineers listed in...
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regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern (CCND).
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant...
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leaks.
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 bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards...
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to Early, Late, Harsh and/or Slip Type Transmission Performance.
PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue...
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and code set.
This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can...
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cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - Headlights flicker or flash - SES MIL - IPC gauges sweep/fluctuate and various IPC warning lights or messages - High or low system voltage Some of these concerns may be notices with powertrain movement, like when either accelerating or braking.
This PI was createdto gather data to root cause the P06DD and/or oil consumption
This engineering information (EI) is requesting information from technicians to perform the inspection and verify that...
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the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion and contact the engineer listed.
This Preliminary Information communication provides information and definitionsto the technician about vehicles that...
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have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians arereferred toTorque Converter Diagnosis in SI.
Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not...
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immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. In these vehicles, after such a fault is detected as absent, DEF system reactivation, including DEF injection, may not occur until the ignition key is cycled. Dealers are to reprogram the reductant control module.
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 a Service 4WD message being visible 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 engineering information (EI) is requesting information from the field to perform the check list provided and...
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contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
This SKU is a Power Window Regulator and Motor Assembly.
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The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a...
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guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
Service Update - On vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.
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The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel exhaust fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2. The customer may complain of excessive engine fan noise at a low vehicle speed. 3. Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module and perform NOx and Catalyst Resets and Regen Enable.
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on...
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Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Motors Product Quality Center for further assistance.
This Preliminary informationprovides information to the technician on relocating the DEF tank to install a service body.
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Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for...
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customer concerns related to wheel alignment.
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin...
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has been sheared away to correct a crank/No Start condition.
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to...
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correct 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.
N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO...
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L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Dealers are to replace the air inlet grille panel assembly.
This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle...
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engine oil consumption.
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal...
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operation and no parts should be replaced for these normal operating conditions.
N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure).
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On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel engine fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2.The customer may complain of excessive engine fan noise at a low vehicle speed. 3.Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module.
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 bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant...
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leaks.
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program.
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Dealer will need to contact General Motors Product Quality Center for further assistance.
Pre-Delivery & Maintenance
136 bulletinsThis 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 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 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 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 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 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 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 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 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 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 service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing...
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Vehicle from Canada to the United States.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
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 service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing...
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Vehicle from Canada to the United States.
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 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.
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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 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 informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions...
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on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period.
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.
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Only).
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
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 service bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
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 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 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 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 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 information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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Only).
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 on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S.
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and Canada.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
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 a guide to help reduce repeat visits for the same customer concern.
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 Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs...
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(North America 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 bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (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 bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
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 dealers/technicians on accessory all-weather floor liners and flat mats...
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warped or misshapen.
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 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 service information for a DEF pump that is unable to build pressure after replacement.
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 repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
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 service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with...
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independent causes (GM Canada Dealers Only).
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 replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on...
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Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set.
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 for dealers/technicians and customers on steam/vapor coming from the front...
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grille or radiator area.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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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 communicates the use of air leak diagnostic test tool CH-52250 in addition to the...
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information found in the service manual.
Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit.
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Dealers are to provide the missing backup alarm to the customer.
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 sold (prepping) to the customer.
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 warranty administration bulletin provide 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 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 informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles...
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that may not pass California smog inspection or smog inspection in other states.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA) (US dealers only).
This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become...
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familiar with features specific to the new Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks.
Other
105 bulletinsThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
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 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 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 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 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 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 informational bulletin provides explanation of a normal condition of a loose fitting trailer hitch receiver in the...
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gooseneck hitch ball.
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 informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
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 a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
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 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 informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
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 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 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 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 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 technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
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 Teen Driver Feature Not Limiting...
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Speed Correctly.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the...
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gooseneck.
This technical bulletin provides a procedure to correct the condition of Wind Whistle Noise at Highway Speeds.
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 informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This Preliminary information communicatesinformation on how dealers can contact the supplier for Associated Accessories...
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offered through GM.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This informational bulletin explains how to identify possible DEF contamination.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.
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 diagnostics aids for rear view camera issues that may be encountered.
Information.
This informational bulletin advises the technician to check for faults that may be caused by the trailer other wise...
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found by a possible faulty trailer connector.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This informational bulletin provides information on Information on Common Customer Trailer Side Faults.
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the...
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gooseneck.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
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 informational bulletin explains how to identify possible DEF contamination.
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This Preliminary information communicatesinformation on how dealers can contact the supplier for Associated Accessories...
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offered through GM.
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
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 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 informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
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and repair procedures.
This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid...
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contact.
This technical bulletin provides a procedure This technical bulletin provides repair information to correct a customer...
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concern of Unable to Set PIN to Enable Teen Driver Feature.
THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the...
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cooling system pipes.
This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.
This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives...
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dealership information where to inspect for this device.
This Preliminary information communicates informationto diagnose DTC C056D or C056E.
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This informational bulletin explains how the regen works for the DEF system and how it works at different levels.
This informational bulletin explains how to identify possible DEF contamination.
This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives...
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dealership information where to inspect for this device.
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in...
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working order.
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or...
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extended crank concern.
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 technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may...
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not open on initial press, or may not open at all.
This technical bulletin provides repair information to correct a customer concern of hearing a wind whistle noise from...
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front of vehicle while driving.
This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto...
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close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate.
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may...
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not open on initial press, or may not open at all.
This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if...
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the cause of the concern.
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
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Technical Assistance (TAC).
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or...
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Too Quiet.
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered...
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normal operations.
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 for dealers how to submit a product information report (PIR) (Canada...
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Only).
This informational bulletin provides information on comebacks prevention information and using customer concern...
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verification sheets (CCVS).
This informational bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the...
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gooseneck.
The intent of this technical 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 informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
Electrical
99 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 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 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
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 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 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 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 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 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 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.
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 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 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 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 Preliminary information communicates a diagnostic tip for the 110 /120 volt power outlets being inoperative and...
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dealerships should try a battery disconnect to see if the concern goes away.
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 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 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 informational bulletin provides a way for the technician to identify if the ECM has been modified.
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors...
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if found the cause of the MIL.
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 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.
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 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 technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors...
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if found the cause of the MIL.
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 technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors...
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if found the cause of the MIL.
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.
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.
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.
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 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 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.
This service bulletin provides information on Module Harvesting.
This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM Update with DTCs...
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Set.
This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a...
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condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
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 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 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.
This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen and No...
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Communication with the Video Processing Module (VPM).
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
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but allow time for the sensor to thaw.
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.
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.
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the...
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customers concern.
This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist...
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alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and rear bumpers
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant...
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control module for the Diesel Exhaust Fluid tank connector.
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 informs the technician to inspect for a possible electrical concern at the ECM X2 electrical...
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connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set.
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant...
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control module for the Diesel Exhaust Fluid tank connector.
This Preliminary information communicates to technicians to replacethe ECM and affected sensor if diagnostics leads to...
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replacement of the ECM.
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 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 technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers...
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concern.
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 bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector.
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 technical bulletin provides a procedure to replace the NOx2 sensor if found the cause of the customers concern.
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
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but allow time for the sensor to thaw.
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the...
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customers concern.
Hypertech Inline Speedometer Calibrator Module Installation Instructions
This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update.
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
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but allow time for the sensor to thaw.
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 informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals...
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but allow time for the sensor to thaw.
This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar Vehicle...
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Communication Interface Modules (VCIM) (GMNA Only).
This informational bulletin provides information on key code security rules and information on GM keycode look-up...
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applications.
This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause...
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of the customers concerns.
This informational bulletin provides information on key code security and information on GM key code look up...
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applications.
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not...
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when replacing a module.
Transmission
56 bulletinsThis bulletin helps aid the tech in possible 10L100 transmission noise that may be normal or abnormal depending on the...
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concern noted.
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 technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
This Preliminary information communicates that the t-case input seal, and/or the o-ringmost likely is the source of the...
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leak between the transmission and the t-case.
This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim...
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selectionis in development.
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 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 repair information to correct customer concerns of Wheel Lock Up, ABS Event, Loud Bang...
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and a Flashing D on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud...
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Bang and a Flashing D on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During...
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Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.
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 Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim...
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selectionis in development.
This Preliminary information communicates the results ifan in-correct P/N Stator Shaft Support was installed during a...
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transmission repair attempt.
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 Preliminary information communicates that the t-case input seal, and/or the o-ringmost likely is the source of the...
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leak between the transmission and the t-case.
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 technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
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 technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During...
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Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
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 repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud...
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Bang and a Flashing D on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During...
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Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.
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 information for automatic transmission Oil Cooler Flush and flow test.
This Preliminary information communicates that the t-case input seal, and/or the o-ringmost likely is the source of the...
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leak between the transmission and the t-case.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim...
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selectionis in development.
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During...
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Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.
This information advises the technician the difference between a welch cap leak and the output seal of the t-case or...
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transmission leaking ATF causing the customers concern.
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed...
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engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
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 informational bulletin explains how the trans slip or flare can be a normal condition.
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud...
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Bang and a Flashing D on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if...
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no problem was found, to replace the tbv.
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if...
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no problem was found, to replace the tbv.
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud...
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Bang and a Flashing ?D? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
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 repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud...
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Bang and a Flashing D on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried...
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to shift the t-case from 4lo to Hi gears while driving.
Service Update. Certain vehicles may have a condition where the transmission enters a neutral state when the internal...
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range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module.
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise.
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If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the customer thatthe noise will diminish over mileage and should dissipate after 3,000 ? 4,000 miles of driving and does not pose a durability concern.
This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the...
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condition.
This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the...
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condition.
N192279900 - Service Update.
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On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Dealers are to reprogram the power steering control module.
N192265570 - Service Update.
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Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of engagement. Customers may experience noise, vibration, or harshness issues such as a clunk noise heard during coast down event. Dealers will perform a road test inspection and retorque the transfer case if necessary.
This Preliminary information communicates to the dealer technician that the 10L1000transmissionhave been place on a part restriction.
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Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Body & Paint
55 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.
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 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 informational (PI) bulletin provides information to dealership personnel that may be helpful when...
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addressing underbody component corrosion with customers.
This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a...
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repair is incorrect and a new tool is in development.
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 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 service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
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 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 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.
Customer Satisfaction Program.
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As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. This Customer Satisfaction Program provides the final repair to restore the function of the disabled liftgate exterior release switch assembly. Dealers will replace the liftgate exterior release switch assembly.
Customer Satisfaction Program.
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As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. This Customer Satisfaction Program provides the final repair to restore the function of the disabled liftgate exterior release switch assembly. Dealers will replace the liftgate exterior release switch assembly.
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 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 information communicates that the tool for the HD transfer cases to install the input seal during a...
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repair is incorrect and a new tool is in development.
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 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 Paintless Dent Repair Process.
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 technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish...
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fading or discolored.
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab...
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due to water leak at rear sliding window.
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 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 for dealers/technicians on Exterior Lamp Condensation and Water Leaks and...
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Replacement Guidelines.
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 that the tool for the HD transfer cases to install the input seal during a...
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repair is incorrect and a new tool is in development.
This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose...
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Within Rear Bumper.
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with...
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Tailgate Removed.
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 communication advises the technician the steps on diagnosing the concern.
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Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
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 repair information to correct a customer concern of 360 Camera Views go Blank with...
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Tailgate Removed.
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 technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with...
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Tailgate Removed.
This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks...
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at the front corners of the pickup box.
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 technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with...
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Tailgate Removed.
Service Update (Revised Population).
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The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. The vehicles involved in this service update have previously had a hood assembly replacement under recall N192284960. These customers are now being asked to bring their vehicle back in for another hood replacement under Safety Recall N202306490. For their inconvenience, dealers are to offer the customer a selection of one of the available goodwill tools listed in this bulletin. Because each customer has unique preferences, please offer all options found in this bulletin to the customer and allow them to select the one that best suits their situation. Please note that not all vehicles in Safety Recall N202306490 are included in this service update. The goodwill offer described in this bulletin should be presented to the involved customer when they pick up their vehicle after having Safety Recall N202306490 performed on the vehicle. Population reduced.
Service Update. The purpose of this service update is to provide the customer with a goodwill gift to offset customer...
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inconvenience, restore confidence in GM, and maintain loyalty to GM. The vehicles involved in this service update have previously had a hood assembly replacement under recall N192284960. These customers are now being asked to bring their vehicle back in for another hood replacement under Safety Recall N202306490. For their inconvenience, dealers are to offer the customer a selection of one of the available goodwill tools listed in this bulletin. Because each customer has unique preferences, please offer all options found in this bulletin to the customer and allow them to select the one that best suits their situation. Please note that not all vehicles in Safety Recall N202306490 are included in this service update. The goodwill offer described in this bulletin should be presented to the involved customer when they pick up their vehicle after having Safety Recall N202306490 performed on the vehicle.
This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned,...
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Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate.
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab...
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due to water leak at rear sliding window.
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab...
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due to water leak at rear sliding window.
Fuel System
47 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 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 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 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 technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp...
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Illuminated, Stall, or No Start with DTC P2534, U3023, P0700, P129D, P10DB (w/ L5P Diesel), P103B, P17E0.
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 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 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 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 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 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 service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a...
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customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
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 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 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 service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
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 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 informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low...
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pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover.
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 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 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.
Brakes
31 bulletinsThis 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 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 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 informational bulletin provides an optional repair using a different set of brakes that may correct the customers...
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concern of Early Brake Wear in Harsh Environments.
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 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 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 informational bulletin provides an optional repair using a different set of brakes that may correct the customers...
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concern of Early Brake Wear in Harsh Environments.
This informational bulletin provides an optional repair using a different set of brakes that may correct the customers...
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concern of Early Brake Wear in Harsh Environments.
This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full...
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Turns.
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 technical bulletin provides repair information to correct a customer concern of Service 4Wheel Drive Message...
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Illuminated in DIC with DTC C119E Set During Antilock Brake System Event.
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 informational bulletin provides an optional repair using a different set of brakes that may correct the customers...
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concern of Early Brake Wear in Harsh Environments.
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...
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to be replaced if the brake pedal moves or applies on its own at a full turn.
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 service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector...
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and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
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 technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers...
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When Brake Lamps or Turn Signals are On.
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 technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing.
This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing.
This Preliminary information communicates an issue with theElectronic Brake Control Module incorrectly mapping DTC U0126...
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as aU0131 and directs the dealership to follow the diagnostics for the U0126.
This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing.
This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing.
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly...
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abrasive disk on gasket sealing surfaces or reused parts.
Lighting
27 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 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 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 service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with...
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DTCs P2463 P2459 P11FB P11D3.
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 an issue where GM Accessory Illuminated Emblem may cause an issue with the...
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left headlight/turn signal and dealership are to disable theAccessory Illuminated Emblem until a fix is available.
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 dealers of a known issue with failed map update
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or...
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Fog/Driving Lamp Damage.
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 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 Dealer Installed LPO Wheel Installation and Return Process.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities.
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This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
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 informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also...
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provide additional information on trailer issues.
This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During...
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Warranty Coverage Period.
Tires & Wheels
25 bulletinsThis Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks...
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and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
This service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer...
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concern of poor ride quality at highway speeds.
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM...
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Vehicles.
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks...
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and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
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 Trailer Tire Pressure Only Reading...
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Up To 100 PSI, New Parts To Increase To 147 PSI.
This informational bulletin provides information on Wheel Balancer Mounting Instructions.
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks...
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and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
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 service bulletin advises the technician of a different tire/rim option that can be used to correct a customer...
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concern of poor ride quality at highway speeds.
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 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.
This technical bulletin provides repair information to correct a customer concern of Service 4Wheel Drive Message...
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Illuminated in DIC with DTC C15AC Set.
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate...
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ride characteristics of GM cars and trucks.
This informational bulletin advises the tech of a different tire/rim option that can be used to correct the customers...
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concern.
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 vertical misalignment between cab...
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and pickup box on driver side of vehicle.
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
This informational bulletin provides information to clarify installation requirements when installing Accessory wheels...
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on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.
Infotainment
23 bulletinsThis PI is to inform dealers of a possible issue with an LVDS cable causing the radio to come on unwanted
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 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 a Radio software update resolutionfor OnStar LED Red And Wifi Hotspot...
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Inoperative After Remote Vehicle Start concern.
This technical bulletin provides repair information to correct a customer concern of U170 Radio Software Update.
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of...
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software related issues.
This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of...
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radio software issues.
This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of...
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radio software issues.
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of...
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software related issues.
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of...
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software related issues.
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or...
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Returning to Default Values.
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of...
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software related issues.
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or...
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Returning to Default Values.
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or...
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Returning to Default Values.
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of...
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software related issues.
This service bulletin provides U157 software update information to correct customer concerns of radio Software related...
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issues.
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software...
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issues on infotainment systems IOS, IOT or IOU.
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software...
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issues on infotainment systems IOS, IOT or IOU.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update.
This Preliminary information communicates information on radio software anamolies and future radio software updates to...
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correct the concern.
This Preliminary information communicates an XM service concern of no audio at startup until a channel change and...
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directs to contact XM for direct support.
This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio.
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116...
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Over-the-Air Update.
Steering
14 bulletinsThis service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or...
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fluid leak concern that is caused during extremely low temperatures.
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 informational bulletin provides information on Steering Bump or Clunk Noise on Rough Roads or Potholes.
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 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 provides a procedure to flush and bleed power steering system to correct a power steering noise or...
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fluid leak concern that is caused during extremely low temperatures.
This technical bulletin provides a procedure to try multiple different adjustments based on the condition of Steering...
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Dither/Shake or Quick Steering Wheel Oscillation at Speeds of 80-129?km/h (50-80?mph).
This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering...
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Column Lock" message displayed with U0155 Set.
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that...
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experience a steering hose leak.
This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering...
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Column Lock" message displayed with U0155 Set.
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that...
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experience a steering hose leak.
This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation,...
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vibration, shake 50-80 mph.
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise...
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or fluid leak concern that is caused during extremely low temperatures.
HVAC & Climate
11 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 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 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 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 technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the...
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customers concern.
This informational bulletin provides a test procedure, for a possible faulty DEF Heater.
This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the...
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factory.
Suspension
7 bulletinsThis service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise...
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from Rear Leaf Springs.
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking...
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Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking...
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Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise...
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from Rear Leaf Springs.
This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise...
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from Rear Leaf Springs.
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking...
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Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking...
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Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
Hybrid & EV
4 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 service bulletin provides information on AGM batteries that require less frequent charging in storage.
This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or...
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USB Receptacle Inoperative.
Air Bags & Safety
2 bulletinsThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
This service bulletin provides information on availability for a seat belt extender.
Software & Calibration
2 bulletinsThis 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.
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.