2024 Gmc Sierra 2500 TSBs
785 Technical Service Bulletins across 17 categories
Categories
Engine
188 bulletinsThis PI communicates information informing dealers that Engineering is aware of the clunk noise and is currently...
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investigating a root cause.
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 bulletin provides a procedure to check and replace the oil cooler seals before just replacing the oil cooler, for...
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an oil leak.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This service bulletin provides 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.
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain 2024 Model Year...
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Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. The Engine Control Module (ECM) may not properly diagnose, may not set Diagnostic Trouble Codes (DTCs), or may not illuminate the Malfunction Indicator Light (Check Engine Light) if certain fault conditions of the Selective Catalyst Reduction (SCR or NOx) catalyst occur. Dealers are to reprogram the ECM and TCM.
Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines...
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within the identified suspect VIN population. If the engine passes the PICO test, the engine oil will be changed from 0W20 to Mobil 1 Supercar 0W40 dexosR. From that point forward, the engine must use 0W40 dexosR oil products for all future oil change services.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
This 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 provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
This preliminary information communicates an issue with an SES MIL and reduced power steering, and brake assist that...
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engineering is working on a fix.
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
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.
Improves Check Engine Light accuracy.
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Improves behavior of aero shutter system in freezing temperatures. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently...
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investigating.
This Preliminary information communicates an issue with the SES MIL and DTC P062B P060C and engineering is currently...
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investigating.
This Preliminary information communicates Engineering is investigating a no audio issue.
This Preliminary information communicates that you may notice a black screen on their radio display.
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This can happen for a period of a couple seconds or the entire ignition cycle. Engineering is aware of the issue and investigating.
This Preliminary information communicates Engineering is investigating a no audio issue.
This Preliminary information communicates an issue with the SES MIL and DTC P062B /P060Cand engineering is currently...
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investigating.
This Preliminary information communicates Engineering is investigating a no audio issue.
This bulletin provides a procedure to replace the EGR valve if found failing the test, creating the customers concern of...
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MIL Illumination.
This Preliminary information communicates Engineering is investigating a no audio issue.
The Informational bulletin advises the tech to check for water or ice in the cylinders that may cause the engine not to...
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perform as intended.
This Preliminary information communicates to use a vacuum to remove any packing material found on top of the service...
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valve body assembly.
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose...
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that connects to the washer pump.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently...
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investigating.
This Preliminary information communicates Engineering is investigating a no audio issue.
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 Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary information 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 2024 MY Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine have an Engine Control Module...
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(ECM) that may not properly diagnose, may not set Diagnostic Trouble Codes (DTCs), or may not illuminate the Malfunction Indicator Light (Check Engine Light) if certain fault conditions of the Selective Catalyst Reduction (SCR or NOx) catalyst occur. Dealers are to reprogram the Engine Control Module (ECM) and Transmission Control Module (TCM).
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 engineering information (EI) closure ends the need for gathering further information from technicians in regard to...
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having Malfunction Indicator Lamp illuminated on Driver Information Center (DIC), vehicle may not start but does Crank and/or Randomly Stalling.
This informational bulletin provides information on higher than expected oil consumption.
This engineering information (EI) closure ends the need for gathering additional information from technicians in regard...
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to diesel fuel on the ground.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This Preliminary information communicates Engineering is investigating a no audio issue.
This Preliminary information communicationprovides information to the technician on installing Regular Production Option...
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Code UVC Rearview Camera.Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This Preliminary information communicates an issue with setting up the trailering features if the trailer height is over 119 inches.
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Engineering is working on new video processing module software to correct this concern, but in the meantime customers can enter of 118 inches to allow the system to calibrate.
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.
Certain vehicles may have a condition in which the Check Engine Light illuminates after remote starting the vehicle without using the lock button.
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Dealers will update the Engine and Transmission Control Module.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards to having Malfunction Indicator Lamp illuminated on Driver Information Center (DIC), vehicle may not start but does Crank and/or Randomly Stalling.
This service bulletin provides diagnostic information for technicians on possible replacement of transmission control...
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valve bodies to correct customer concerns of Malfunction Indicator Lamp (MIL) Illuminated, Transmission Not Shifting/Default Mode - DTC P0747 Set.
This Preliminary information communicates information on adding RPO UF3 Fast Idle to a vehicle.
This Preliminary information communicates Engineering is investigating a no audio issue.
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive...
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theme at times or the digital speedometer display is missing at times. Engineering is currently working on a repair.
This Preliminary information communicates Engineering is investigating a no audio 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 engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards to diesel fuel on the ground.
This 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 technicians that a starting sequence using the key fob / remote...
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may contribute to DTC P2463 setting, the engine running rough and / or lower than expected fuel economy.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.
This Preliminary information communicates Engineering is investigating a no audio issue.
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This Preliminary information communicates Engineering is investigating a no audio issue.
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 an issue with the SES MIL and DTC P062B and engineering is working on a fix.
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 informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
This engineering information (EI) ends the need for gathering further information from technicians in regard to vehicles...
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having vehicle pull.
This Preliminary information communicates information that Engineering is working on a fix for theAEB forward collision...
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icon lamp illuminated in the cluster with no DTC's present.
This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this...
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occurrence.
Service Update. On certain vehicles, equipped with a 6.6L diesel engine (RPO L5P), the engine coolant may have become contaminated.
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Dealers are to inspect the radiator surge tank. If contamination is visible, dealers are to order the required parts and schedule the customer for another appointment to perform the repair.
This Preliminary information communicates Engineering is investigating a no audio issue.
This Preliminary information communicatesthat trucks built at Oshawa assembly utilize a powder anti-chip material...
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process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the...
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possibilities of what may happen using the incorrect filter.
This 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.
Customer Satisfaction Program - On certain vehicles, equipped with the ambulance/fire/rescue package (RPO PCK) and the...
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Duramax 6.6L Turbo-Diesel Engine (RPO L5P), the customer was mistakenly double charged for the engine. Dealers will provide the customer with a reimbursement check in the amount of $9,490.00 USD.
This service bulletin provides diagnostic information for technicians on possible replacement of transmission control...
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valve bodies to correct customer concerns of Malfunction Indicator Lamp (MIL) Illuminated, Transmission Not Shifting/Default Mode - DTC P0747 Set.
This service bulletin provides diagnostic information for technicians on possible replacement of transmission control...
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valve bodies to correct customer concerns of Malfunction Indicator Lamp (MIL) Illuminated, Transmission Not Shifting/Default Mode - DTC P0747 Set.
This service bulletin provides information for engine oil life monitor operation calculation.
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 regard to vehicles having vehicle pull.
Customer Satisfaction Program.
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Certain vehicles may have a condition where the piston oil lubrication valve may not open at the appropriate pressure. Dealers are to replace the engine.
This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is working on a fix.
Service Update - Certain vehicles with a 6.6L diesel engine have an Engine Control Module (ECM) that may not properly...
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diagnose, may not set Diagnostic Trouble Codes (DTCs), or may not illuminate the Malfunction Indicator Light (Check Engine Light) if certain fault conditions of the Selective Catalyst Reduction (SCR or NOx) catalyst occur. Dealers are to reprogram the Engine Control Module (ECM) and Transmission Control Module (TCM).
This service bulletin provides a repair procedure to correct customer concerns of Rough Idle, Surge/Bucking with Light...
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Throttle and Higher Loads, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402 and/or P22FB Set.
This technical bulletin provides a procedure to update the ECM to correct a customer concern of a MIL, engine stall.
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 information about the cluster missing graphics while viewing the progressive theme at times.
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Engineering is currently working on a repair.
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive theme at times.
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Engineering is currently working on a repair.
This Preliminary information communicates that engineering is investigating the Harsh 7-8 Up Shift MGU MGM MKM.
This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed.
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Engineering is working on a new HVAC door seal material to correct the noise.
This Preliminary information communicates 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 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.
Service Update - Certain vehicles, with a 6.6L diesel engine, have an Engine Control Module (ECM) that may not properly...
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diagnose, may not set Diagnostic Trouble Codes (DTCs), or may not illuminate the Malfunction Indicator Light (Check Engine Light) if certain fault conditions of the Selective Catalyst Reduction (SCR or NOx) catalyst occur. Dealers are to reprogram the Engine Control Module (ECM) and Transmission Control Module (TCM).
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
Emission Recall - General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles with a 6.6L diesel engine.
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These vehicles may have been built with an incorrect hood vent that does not allow sufficient airflow. Dealers are to inspect the hood vent and replace if the correct part was not installed.
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 technical bulletin provides a procedure to update the ECM to correct a customer concern of a MIL, engine stall.
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.
Service Update - certain vehicles may have a condition in which the engine block heater cord may not be fully seated.
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Dealers are to inspect the engine block heater connector and retention clip and reinstall if necessary.
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 communicates information on the Auxiliary Battery not charging.
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Engineering releasedupdated BCM calibrations to correct concern.
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 PI bulletin advises the technician on the proper way to install the pistons in an engine.
This service bulletin provides a repair procedure to correct customer concerns of Rough Idle, Surge/Bucking with Light...
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Throttle and Higher Loads, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402 and/or P22FB Set.
This technical bulletin provides a procedure to update the ECM to correct a customer concern of a MIL, engine stall.
This Preliminary information communicates to the dealer technicians that the 2024 6.6L (L5P) Duramax diesel engine...
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exchange program has ended.
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher.
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Engineering is working on a fix.
This Preliminary information communicates to dealers that the Customers may notice audio that is choppy or delayed,GM...
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engineering is aware of the issue and working on a resolution.
This service bulletin provides a repair procedure to correct customer concerns of Rough Idle, Surge/Bucking with Light...
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Throttle and Higher Loads, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402 and/or P22FB Set.
Service Update - Certain vehicles, with a 6.6L diesel engine, may have an Engine Control Module (ECM) that does not...
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correctly provide all required data to emissions Inspection/Maintenance (I/M) testing stations. Additionally, if the brake system control module would detect certain faults, the ECM may not properly illuminate the Malfunction Indicator Lamp (Check Engine Light). Dashboard warning messages and warning lights for traction control, stability control, and brake system remain functional for such faults. Dealers are to reprogram the ECM and TCM.
This Preliminary information communicates to dealer technicians that the Engine Control Module (ECM) is no longer on...
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restriction.
This Preliminary information communicates to the dealer technicians that the 2024 6.6L (L5P) Duramax diesel engine is on...
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an engine exchange program administered through the Product Quality Center (PQC).
This Preliminary information communicates information on the Auxiliary Battery not charging.
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Engineering is currently working on updated calibrations to correct concern.
This Preliminary information communicates information stating Engineering is aware of this concern and working on a...
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repair solution.
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 technical bulletin provides a procedure to update the ECM to correct a customer concern of a MIL, engine stall.
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles with a 6.6L diesel engine.
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The Engine Control Module (ECM) may not properly adjust fuel injector flow for the normal variation in fuel injector flow rate characteristics. This could result in rough engine idle or increased fuel consumption. Dealers are to update the ECM with improved fuel injector flow rate data by performing Fuel Injector Flow Rate Programming with the diagnostic scan tool.
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.
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles with a 6.6L diesel engine.
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The Engine Control Module (ECM) may not properly adjust fuel injector flow for the normal variation in fuel injector flow rate characteristics. This could result in rough engine idle or increased fuel consumption. Dealers are to update the ECM with improved fuel injector flow rate data by performing Fuel Injector Flow Rate Programming with the diagnostic scan tool.
This Preliminary information communicates to dealer technicians that fuel system components for the 2024 model year 6.6L...
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diesel engine are no longer on a parts restriction administered through the Product Quality Center (PQC).
This Preliminary information communicates that there is Restriction on the Exhaust Gas Temperature Sensors on 2024 6.6L...
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L5P Engine Vehicles
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This informational bulletin advised the technician that the engine and related parts will be debited if found that the...
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tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This informational bulletin 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 communicates to dealer technicians that the turbocharger and turbocharger actuator are no...
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longer on a parts restriction through the Product Quality Center (PQC).
This Preliminary information communicates to the dealer technician that engineering is aware of DTC P2463 setting and...
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the condition is under review.
This Preliminary information communicates to the dealer technician that engineering is aware of DTC P2463 setting and...
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the condition is under review.
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 technical bulletin provides a procedure to replace the turbocharger if the actuator arm weld has been found to be...
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faulty.
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 communicationprovides information to the technician on installing Regular Production Option...
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Code UVC Rearview Camera.Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 152. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
This Preliminary information communicates to dealer technicians that the diesel particulate filter for the 2024 6.6 L5P...
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diesel engine has ended.
This informational bulletin advises the tech that the customers concern of a trailer brake disabled may be caused from...
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the trailer itself and engineering is looking into a repair.
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 that there is Restriction on the Exhaust Gas Temperature Sensors on 2024 6.6L...
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L5P Engine Vehicles
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 there is Restriction on the Exhaust Gas Temperature Sensors on 2024 6.6L...
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L5P Engine Vehicles
This Preliminary information provides information to the technician Direction for when DTC P0422 Sets on a 2024 Vehicle...
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with the 6.6L L5P engine.
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument...
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Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
This Preliminary information communicates to dealer technicians that the diesel particulate filter for the 2024 6.6 L5P...
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diesel engine will be placed on a parts restriction through the product quality center (PQC).
This Preliminary information communicates to dealer technicians that the Engine Control Module (ECM) is on restriction...
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and will need to be ordered through the Product Quality Center (PQC).
This Preliminary information communicates to dealer technicians that fuel system components for the 2024 model year 6.6L...
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diesel engine are placed on a parts restriction administered through the Product Quality Center (PQC).
This Preliminary information communicates to the dealer technicians that the 2024 6.6L (L5P) Duramax diesel engine is on...
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an engine exchange program administered through the Product Quality Center (PQC).
This Preliminary information communicates to dealer technicians that the turbocharger and turbocharger actuator are on a...
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parts restriction through the Product Quality Center (PQC).
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
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...
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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 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.
Electrical
94 bulletinsThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC'ss
This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an...
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event like a lightning strike, battery jump started backwards, failure over the air update, etc.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This PI Communicates information to inform technicians that PTO Configuration has moved from PTO Module to ECM.
This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for...
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information on installing the Universal Vehicle Module.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and...
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dealerships are to replace the switch.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and...
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dealerships are to replace the switch.
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and...
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dealerships are to replace the switch.
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.
Customer Satisfaction Program.
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Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an over-the-air update. Dealers are to reprogram the serial data gateway module.
This PI involves DTC U3000 SYM49 Set falsely In The Serial Data Gateway Module and dealerships are to reset the module...
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by cycling the battery.
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 Preliminary information communicates how to recover the Image Processing Module.
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 information on checking the inspection/maintenance system status parameters in the ECM and how to...
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have the parameters reset so the system will run and pass.
This communication shows a possible terminal damage issue in X950D that may cause fuse F5BA or F6BA to open or partially...
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open.
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 Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for...
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information on installing the Universal Vehicle Module.
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 Thus the active safety systems maybe inoperable and to perform a module reset...
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to correct.
This Preliminary information communicates how to recover the Image Processing Module.
This Preliminary information communicates to the dealer technician that DTC P244B may set due to water in the...
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differential pressure sensor after a car wash. It relays that the concern is under investigation.
This Preliminary information communicates information on faulty replacement K111Fuel Pump Driver Control Module.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This Preliminary information communicates an issue where the odometer mileage is incorrect after performing a module...
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setup procedure and a FSE will be dispatched to the vehicle to correct the odometer error.
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the...
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load on the system that may be causing a drain.
This service bulletin provides information on key code security rules and information on GM keycode look-up applications...
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(U.S).
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update.
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Dealers are to reprogram the serial data gateway module.
Customer Satisfaction Program - may have a condition where the battery is at risk for a drain following an over-the-air update.
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Dealers are to reprogram the serial data gateway module.
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update.
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Dealers are to reprogram the serial data gateway module and the radio.
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update.
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Dealers are to reprogram the serial data gateway module and the radio.
Customer Satisfaction Program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update.
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Dealers are to reprogram the serial data gateway module.
This 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 Preliminary information communicates an issue with the out of park signal, used by upfitters, being inoperative.
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Dealers are to reprogram the BCM with updated cals to enable the upfitter out of park signal.
This Preliminary information communicates an issue with the side object detection module shown unavailable due to a...
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sticker wrongly placed on the module. Dealers are to remove the sticker.
This Preliminary information communicates an issue with the side object detection module shown unavailable due to a...
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sticker wrongly placed on the module. Dealers are to remove the sticker.
This Preliminary information communicates information to have the dealer contact TAC if they have U3000 SYM57 setting...
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after replacing left or right Side Object Detection Modules.
This service bulletin provides repair information to correct a customer concern of Headlamps Flashing and/or DTC P0606...
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Set in Lighting Control Module.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This technical bulletin provides 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 Preliminary information communicates an issue with the side object detection module shown unavailable due to a...
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sticker wrongly placed on the module. Dealers are to remove the sticker.
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 bulletin advised the tech that the HO2 sensor may be routed incorrectly and contacting the exhaust, which would...
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require to be re-routed.
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 bulletin advises the tech that the HO2 sensor may be routed incorrectly and contacting the exhaust, which would...
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require to be re-routed.
This preliminary information communicates to technicians to clear the codes and release the vehicle if it arrives for a...
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P062B set, and to replace the ECM if it has been in previously.
Customer Satisfaction Program.
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On certain vehicles, the auxiliary battery may not charge. Dealers are to reprogram the body control module.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
This comminication shows a possible terminal damage issue in X950D that may cause fuse F5BA or F6BA to open or partially...
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open.
This technical bulletin provides repair information to correct a customer concern of Headlamps Flashing and/or DTC P0606...
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Set in Lighting Control Module.
This Preliminary Information communication provides information to the technician about vehicles that are found to have...
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a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
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repairing wiring harnesses.
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant...
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Fluid Tank Level Reset.
This 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 Preliminary information communicates that there is A restriction on Nox 1 And NOx 2 sensors of 2024 6.6L L5P.
This technical bulletin provides a procedure for the Steering Angle Sensor Module replacement.
This Preliminary information communicatesan issue wherethe aux switch "on" LED indicators do not illuminate withinthe...
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aux switch if more than one aux switch is turned on. The aux switches do work regardless of how many are turned on, but the "on" LED indicator will only be illuminated in which ever aux switch is firstpressed. Dealers are to reprogram the BCM to correct this concern.
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
This technical bulletin provides repair information to correct a customer concern of Electronic Lighting Control Module...
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Loose or Hanging out of BCM Bracket.
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage...
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detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
This Preliminary information communicates to the dealer technician that there is an ECM calibration available to address...
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the DTC P060C on the 2024 Duramax 6.6 L5P.
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 communicates that there is a software issue in the ecmfor the following dtc'sP062D P163A P163B, P0402 P144E.
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P2635 which could cause a crank, no start issue, and how to correct.
This Preliminary information communicates that there is a software issue in the ecmfor the following dtc'sP062D P163A P163B, P0402 P144E.
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P2635 which could cause a crank, no start issue, and how to correct.
This Preliminary information communicates that there is A restriction on Nox 1 And NOx 2 sensors of 2024 6.6L L5P.
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 Preliminary information communicates that there is a software issue in the ecmfor the following dtc'sP062D P163A...
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P163B, causing a crank, no start issue, and how to correct
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 comminication shows a possible terminal damage issue in X950D that may cause fuse F5BA or F6BA to open or partially...
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open.
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 service bulletin provides information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV)...
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High Voltage Battery Handling.
Pre-Delivery & Maintenance
85 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 information for dealers/technicians on System Reset and Connector...
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Reconnect Labor Code Numbers.
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 for dealers/technicians on System Reset and Connector...
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Reconnect Labor Code Numbers.
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 bulletin provides information on Wiper Blade Maintenance Tips.
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 bulletin provides information on Wiper Blade Maintenance Tips.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
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that request to disable or enable content.
This service bulletin provides information on proper use of floor mats.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This 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 bulletin provides information on Wiper Blade Maintenance Tips.
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 dealers/technicians on Adding Cruise Control RPO K34.
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 warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
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Assistance Center (TAC).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted...
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Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
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shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with...
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Vehicle Intelligence Platform (VIP).
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
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E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with...
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Vehicle Intelligence Platform (VIP).
This service bulletin provides 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 Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
This 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 warranty administration bulletin provides information for dealers/technicians on System Reset and Connector...
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Reconnect Labor Code Numbers.
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 information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This service bulletin explains how to identify possible DEF system contamination.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This service bulletin provides information on proper use of floor mats.
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 explains how to identify possible DEF system contamination.
Other
84 bulletinsCertain vehicles listed above, may have a condition where the trailer hitch label understates hitch capability.
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Dealers will remove the sticker on trailer hitch.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
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They should follow the notes mentioned prior to anything being replaced.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
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They should follow the notes mentioned prior to anything being replaced.
This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements.
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They should follow the notes mentioned prior to anything being replaced.
This PI communicates to dealer technicians that DTC P0381 is under investigation and to clear the DTC and return the...
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vehicle to the customer.
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
New Vehicle Monitoring Programs Section in IVH
This informational bulletin provides information on Anti-Chip Coating Appearance.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera...
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and dealers to replace the camera.
This Preliminary Information communication provides information to the technician about vehicles that may have a bump...
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feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This bulletin provides a procedure to add a shim to the rear axle to change the pitch of said axle to correct the angle...
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of the axle to pinion variance.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This PI communicates to dealer technicians that DTC P060C is under investigation and to clear the DTC and return the...
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vehicle to the customer.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates DTCs P060C and/or P060D may set during an attempted SFL.
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 Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end.
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Dealers are to inspect for something contacting the grill shutters as they open and close.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This informational bulletin provides 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 technical bulletin provides repair information to correct a customer concern of Silverado and Sierra Setting DTC...
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P0606 and either DTC P0562 or P0563.
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found...
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by a possible faulty trailer connector.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates a possible retainer ring dis-lodged fora DTC P2714, may not have reverse as...
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well.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
This Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs /...
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Transmitters.
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information...
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and repair procedures.
This Preliminary information communicates recovery procedure after return to dealer message.
This Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern...
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is being researched
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This Preliminary information communicates information informing dealers that replacment PSCM P/N86554464 stock has been...
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reworked to prevent the SPS programming failure.
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 Preliminary information communicates to GM dealers there is a concern with a noise on phone calls and the concern...
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is being researched
This Preliminary information communicates information on how to select bootloader part number if there are issues SPS...
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programming the IPC.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation...
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instructions for the 9L7 Upfitter Switches.
This Preliminary information communicates that GM is working on a resolution to the concern.
This Preliminary information was created to communicate to dealers that the GCW message can be turned off thru settings.
This Preliminary information communicates to dealer instructions for diagnosing Google Maps concerns
This Preliminary information communicates recovery procedure after return to dealer message.
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
Informational bulletin on Information on Paper Owners Manual for US Territories and Puerto Rico.
This technical bulletin provides repair information to correct a customer concern of Silverado and Sierra Setting DTC...
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P0606 and either DTC P0562 or P0563.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates to the dealer technician that DTC P2959 is under investigation.
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 Silverado and Sierra Setting DTC...
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P0606 and either DTC P0562 or P0563.
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 Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs /...
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Transmitters.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This 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 technical bulletin provides repair information to correct a customer concern of Silverado and Sierra Setting DTC...
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P0606 and either DTC P0562 or P0563.
This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation...
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instructions for the 9L7 Upfitter Switches.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product...
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Allegation Resolution (PAR) claim.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found...
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by a possible faulty trailer connector.
This Preliminary information communicates DTCs P060C and/or P060D may set during an attempted SFL.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
Stop Delivery Order Await Communication: Reference Number N232421270.
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Effective immediately, stop the delivery of those certain 2024 Chevrolet Silverado and GMC Sierra vehicles which are in the attached VIN file and in new vehicle inventory or in transit. Dealers are to wait for further communication. The GM reference number is N232421270.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This technical bulletin provides 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 Preliminary information communicatesDiagnostic Tips When Having Difficulties Programming Or Adding Key Fobs /...
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Transmitters.
This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the...
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gooseneck.
Infotainment
75 bulletinsThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary information communicates to dealers a procedure to reset the radio.
Improvements to audio system performance.
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Fixes to help ensure proper functionality for the center display. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back...
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to the vehicle.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC...
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display
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This update contains a required software change to help improve the overall software update and diagnostics process.
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Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
GM Update N25-250552 Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification.
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Fixes to address connectivity issues. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and...
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how to reset/clear the message.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not...
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replace any parts at this time.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built...
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In Radio.
This Preliminary information communicates to the technicians that this audio concern is a software issue and to not...
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replace any parts at this time.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 ...
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Multiple Updates for IOK.
This Preliminary information communicates to dealer to contact TAC for a specific display issue.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y175 ...
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Multiple Updates for IOK.
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive...
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theme at times or the digital speedometer display is missing at times. Reprogram the Cluster to correct.
This Preliminary information communicates information about the cluster missing graphics while viewing the progressive...
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theme at times or the digital speedometer display is missing at times. Reprogram the Cluster to correct.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built...
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In Radio.
This Preliminary information communicates that it is normal for the tailgate todropfaster than it used to after the GM...
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Accessory Kicker Audio System isinstalled.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 ...
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Multiple Updates for IOK.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This Preliminary information communicates that GM is aware of and working on the audio issue.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y172 ...
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Multiple Updates for IOK.
This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google...
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Built-in Radio.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 ...
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Multiple Updates.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169...
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Multiple Updates for IOK.
Customer Satisfaction Program - certain vehicles, may have a condition in which the trailering label displays incorrect values.
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Dealers will replace the trailering label.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 ...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169...
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Multiple Updates for IOK.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 ...
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Multiple Updates for IOK.
This Preliminary information communicates that it is normal for the tailgate todropfaster than it used to after the GM...
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Accessory Kicker Audio System isinstalled.
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 ...
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Multiple Updates for IOK.
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 informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built...
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In Radio.
Body & Paint
50 bulletinsThis Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist...
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systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked,...
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due to the personalization settings for Auto Door Unlocking.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim...
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level for installation instructions for the 9L7 Upfitter Switches.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position...
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after curbview assist is used.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position...
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after curbview assist is used.
This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the...
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same speed.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle...
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doors are being closed and the key in vehicle reminder set to off.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This service bulletin provides a procedure to correct a customer concern of Upper Glove Box Door does not Open when the...
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Button is Depressed or Takes Multiple Presses to Open.
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when...
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addressing underbody component corrosion with customers.
This 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 technical bulletin provides a procedure for rattle and/or hissing type noise heard under the hood.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
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peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the...
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shipping film.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist...
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systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.
This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door...
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handle covers and they should be removed.
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim...
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level for installation instructions for the 9L7 Upfitter Switches.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
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peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the...
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urethane seal.
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
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characteristic.
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed...
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Aluminum Wheels.
This technical bulletin provides a procedure to locate and repair the rear glass if found water leaking past the...
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urethane seal.
This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces,...
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Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
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 Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with...
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passive entry.
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when...
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addressing underbody component corrosion with customers.
This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device...
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installed on the vehicle.
This Preliminary 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 information communicates an issue where the minor tailgate step link can contact the painted surface...
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and chip the paint on the tailgate. Dealers are to adjust the step link bracket to provide clearance between the link and painted surface to prevent contact with the painted surface.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the...
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inner tailgate.
Customer Satisfaction Program - certain vehicles may have a roof panel split on the passenger side.
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Dealers are to inspect the passenger side roof panel and if necessary, MIG weld the split.
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 service bulletin provides a procedure to correct a customer concern of Upper Glove Box Door does not Open when the...
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Button is Depressed or Takes Multiple Presses to Open.
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim...
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and base of the windshield detaching from the upper I/P trim panel.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
Transmission
46 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.
This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the...
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vehicle to turn off when shifted into gear. This PI provides a diagnostic tip to inform dealership to inspect for this aftermarket device.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when...
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the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This 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 a diagnostic aid to install dye to the trans fluid toisolate the leak prior to...
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attempting repair.
This Preliminary information communicates a diagnostic aid to install dye to the trans fluid toisolate the leak prior to...
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attempting repair.
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 provides a procedure to replace the triple clutch housing and internals if found the cause of the customer...
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concerns of Transmission Slip, Harsh 3-4 Shift or Harsh 5-6 Shift, Delayed Shifts, Delayed Shift into Reverse, Harsh Shift into Reverse, Slips in Reverse or No Reverse, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2714 and/or P2732 Set.
This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern...
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noted.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This Preliminary information communicates the transmission noise investigation.
This service bulletin provides a procedure to update the TCM to correct a customer concern of a harsh 7-8 Upshift.
This bulletin provides a procedure to replace the triple clutch housing and internals if found the cause of the customer...
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concerns of Transmission Slip, Harsh 3-4 Shift or Harsh 5-6 Shift, Delayed Shifts, Delayed Shift into Reverse, Harsh Shift into Reverse, Slips in Reverse or No Reverse, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2714 and/or P2732 Set.
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 service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
"This bulletin advises the tech of a normal condition of how the torque converter performance has changed to increase...
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transmission life for customers that may comment about while cruising at a steady speed with light throttle, they feel a shudder, surge or chuggle type concern."
Certain vehicles may have a condition in which the transmission direct overdrive carrier was built with an incorrect caged pinion bearing.
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Dealers will replace the transmission.
Service Update - Certain vehicles may have a condition in which sediment is being generated during the Output Shaft bearing press.
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Dealers will replace the transmission filter.
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 Preliminary information communicates the transmission noise investigation.
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 the transmission noise investigation.
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 to inspect the front pump of the transmission for a possible leak.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This technical bulletin provides a procedure 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 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 advises the technician to check if the transmission cooler lines are twisted to correct customer...
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concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
This service bulletin provides 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 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 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.
Lighting
42 bulletinsAmendments 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 service bulletin refers the technician to Recall N242438501, and if closed, refer to SI to correct the condition of...
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Malfunction Indicator Lamp Illuminated with DTCs P0402, P062D, P144E, P242B, P2459, and/or P2635 Set.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC...
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P24D6 or P0F37.
This service bulletin refers the technician to Recall N242438501, and if closed, refer to SI to correct the condition of...
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Malfunction Indicator Lamp Illuminated with DTCs P0402, P062D, P144E, P242B, P2459, and/or P2635 Set.
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC...
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P24D6 or P0F37.
This bulletin offers Information on Intellibeam Inop, Auto High Beam Headlamps, Side Blind Zone Inop, and/or Side Object...
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Detection Inop.
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance...
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Schedules.
This service bulletin refers the technician to Recall N242438501, and if closed, refer to SI to correct the condition of...
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Malfunction Indicator Lamp Illuminated with DTCs P0402, P062D, P144E, P242B, P2459, and/or P2635 Set.
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 diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates a diagnostic tip for unwanted washer pump activation, flickering headlamp, and...
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horn unwanted, due to a possible concern withground G104.
This bulletin offers Information on Intellibeam Inop, Auto High Beam Headlamps, Side Blind Zone Inop, and/or Side Object...
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Detection Inop.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin refers the technician to Recall N242438501, and if closed, refer to SI to correct the condition of...
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Malfunction Indicator Lamp Illuminated with DTCs P0402, P062D, P144E, P242B, P2459, and/or P2635 Set.
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 bulletin provides a service procedure to correct a customer concern of a Shake and/or Shudder During Steady Speed...
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and/or Light Throttle Acceleration Between 25 and 50 MPH (40 and 80 KM/H).
This service bulletin provides a service procedure to correct a customer concern of the Malfunction Indicator Lamp (MIL)...
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Illuminated - DTC P062F, P040B, P041B, P0422, P060C, P062B, P1428, P142A, P20EE, P20FE, P22F9, P244A, and/or P244B Set.
This service bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs...
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P0402, P062D, P144E, P242B, P2459, and/or P2635 Set.
This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp...
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Illuminated in the Driver Information Center and DTC C053E.
This service bulletin provides repair information to correct a customer concern of the rearview driver information...
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camera intermittent in low light conditions - replace camera.
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or...
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Fog/Driving Lamp Damage.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This service bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs...
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P0402, P062D, P144E, P242B, P2459, and/or P2635Set.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin provides repair information to correct a customer concern of the rearview driver information...
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camera intermittent in low light conditions - replace camera.
This bulletin provides a service procedure to correct a customer concern of a Shake and/or Shudder During Steady Speed...
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and/or Light Throttle Acceleration Between 25 and 50 MPH (40 and 80 KM/H).
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC...
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P0402 Set.
This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC...
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P0402 Set.
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 technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC...
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P0402 Set.
Fuel System
35 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 Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and...
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current driving habits, or low fuel range and vehicle is idling.
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 Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and...
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current driving habits.
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 bulletin provides a procedure to replace the Evaporative Emission Canister Hose if found the cause of the MIL...
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w/DTCs P24D6 and/or P0F37 Setting.
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 informational bulletin advises the tech on how to check for possible exhaust leaks.
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 informational bulletin advises the tech on how to check for possible exhaust leaks.
This informational bulletin advises the tech on how to check for possible exhaust leaks.
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 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.
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 communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
This Preliminary information communicates an issue with theHydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
This 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 service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a...
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garage or driveway.
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 Preliminary information communicates an issue with theHydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
Certain vehicles may have a condition in which the automatic emergency braking could become disabled.
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Dealers will reprogram the front camera module.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This Preliminary information communicates an issue with theHydrastar Electric Over Hydraulic trailer brake system...
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causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
Customer Satisfaction Program.
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On certain vehicles equipped with Integrated Trailer Brake (RPO JL1), if the trailer battery is charged to a higher voltage than the vehicle battery, it may cause the voltage to feed back into the vehicle battery and create a false short to ground. This false short to ground will trigger trailer braking to be disabled with customer notification. Dealers are to replace the Trailer Brake Power Module (TBPM).
Customer Satisfaction Program.
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On certain vehicles equipped with Integrated Trailer Brake (RPO JL1), if the trailer battery is charged to a higher voltage than the vehicle battery, it may cause the voltage to feed back into the vehicle battery and create a false short to ground. This false short to ground will trigger trailer braking to be disabled with customer notification. Dealers are to replace the Trailer Brake Power Module (TBPM).
This technical bulletin provides repair information to correct a customer concern of Service Parking Brake Message...
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Illuminated in the DIC with DTC C0616 Set in the EBCM.
Customer Satisfaction Program.
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On certain vehicles equipped with Integrated Trailer Brake (RPO JL1), if the trailer battery is charged to a higher voltage than the vehicle battery, it may cause the voltage to feed back into the vehicle battery and create a false short to ground. This false short to ground will trigger trailer braking to be disabled with customer notification. Dealers are to replace the Trailer Brake Power Module (TBPM).
This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored...
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During Pulling a Trailer with a Battery, Generator or Solar Charger.
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 communicates on a software anomaly that causes aRear Auto Brake and Park Assist Unavailable...
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message on start up that is temporary and how to address that concern.
This Preliminary information communicates on a software anomaly that causes aRear Auto Brake and Park Assist Unavailable...
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message on start up that is temporary and how to address that concern.
This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored...
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During Pulling a Trailer with a Battery, Generator or Solar Charger.
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 technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored...
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During Pulling a Trailer with a Battery, Generator or Solar Charger.
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.
Tires & Wheels
15 bulletinsThis PI communicates information that the customers fifth wheel hitch may not latch into the factory box mounted hitch...
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due to a supplier quality concern. Dealer is to replace box mounted hitch to correct.
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 PI communicates information that the customers fifth wheel hitch may not latch into the factory box mounted hitch...
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due to a supplier quality concern. Dealer is to replace box mounted hitch to correct.
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 informational bulletin provides information on Information on Bright PVD (Physical Vapor Deposition) Wheels...
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Appearance and Care.
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 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.
Software & Calibration
12 bulletinsThis Preliminary information communicates to the technician that GM is aware of this concern and to update the Google...
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maps application through the playstore.
This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a...
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software update and the vehicle can still be driven in the meantime.
This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue,...
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they can contact TCSC to have the software for the MDI backdated to communicate properly.
This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this...
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communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
This bulletin advises the tech of a possible software anomaly that may cause the codes to set which may require a...
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software update.
Service Update. Certain vehicles may be missing the provisioning for the graphics processor on the instrument cluster.
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Dealers are to replace the instrument cluster.
This Preliminary information communicates to the dealer technician a possible calibration update for DTC P0402 as well...
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as symptoms associated with it.
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.
This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option...
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(LPO) Calibrated Accessories.
This technical bulletin provides repair information to correct a customer concern of UDV Cluster Software Version 162.4.
Steering
8 bulletinsSoftware Update for your 24MY Chevrolet Silverado / GMC Sierra: * Improvements to software performance.
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* Fixes for audio system performance. * Improvements to connectivity for Bluetooth. * Fixes to help ensure successful software updates and notifications. * Fixes to address instances of inactive driver display. * Improvements to functionality for USB and steering wheel controls. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
Software Update for your 24MY Chevrolet Silverado / GMC Sierra: Improvements to software performance.
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Fixes for audio system performance. Improvements to connectivity for Bluetooth. Fixes to help ensure successful software updates and notifications. Fixes to address instances of inactive driver display. Improvements to functionality for USB and steering wheel controls. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
This 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.
HVAC & Climate
7 bulletinsThis service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold...
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weather climates and testing those batteries.
This Preliminary information communicates the possibility of poor heater performance or no heat in the passenger...
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compartment of the vehicle
This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working...
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and/or Blows Warm Air.
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 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.
Hybrid & EV
5 bulletinsThis service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or...
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USB Receptacle Inoperative.
This service bulletin provides information on AGM batteries that require less frequent charging in storage.
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO...
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updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest...
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ISO update on Apple 15 phones.
This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest...
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ISO update on Apple 15 phones.
Air Bags & Safety
4 bulletinsThis service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag...
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malfunction indicator illuminated.
This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
This Preliminary information communicates how the left lower corner of the DIC is dual purpose and when vehicle is first...
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started it displays the rear passenger seatbelt indicators and then after a short drive it will change and show the four wheel drive indicator.
This service bulletin provides information on availability for a seat belt extender.
Suspension
4 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 Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air...
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suspension system are fully seated.
This 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).