2020 Chevrolet Corvette TSBs
922 Technical Service Bulletins across 17 categories
Categories
Engine
220 bulletinsThis service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
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internal engine damage.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple...
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repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed...
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parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
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GDS 2.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal...
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test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
This service bulletin provides information on a Whoosh Noise from Engine Area While Driving.
This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint...
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appearance to hood and engine covers exposed carbon fiber parts.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This informational bulletin advises the technician that the engine and related parts will be debited if found that the...
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tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This 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 explains the difference in AFM and DFM engines and what is and is not activated during this...
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occurrence.
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the...
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possibilities of what may happen using the incorrect filter.
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct...
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conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin provides information for engine oil life monitor operation calculation.
This service bulletin provides information for engine oil life monitor operation calculation.
This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and...
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Malfunction Indicator Lamp (MIL) Illuminated.
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 bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct...
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conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
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and improve fuel economy.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
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the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage...
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patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
This Preliminary Information communication provides information to the technician about vibration complaints that are...
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one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
This 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 Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal...
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test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This 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 customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
This 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 service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint...
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appearance to hood and engine covers exposed carbon fiber parts.
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 Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the...
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possibilities of what may happen using the incorrect filter.
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
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vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This 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 Preliminary Information communication provides information to the technician about vehicles that have an unusual...
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noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This bulletin provides 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 camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This service bulletin provides information to dealership personnel on automatic transmission shift and engine...
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driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
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vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad...
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replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This Preliminary information communicates to dealers that an engine/exhaustwhoosh noise conditionheard during active...
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fuel management transition is considered a design characteristic.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
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internal engine damage.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
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vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles.
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The Transmission Control Module (TCM), after detecting a loss of communications fault with other control modules, may incorrectly clear the loss of communications Diagnostic Trouble Codes (DTCs) when the vehicle is keyed off and, if the loss of communications fault persists, may not detect it again when the vehicle is keyed back on. If this were to happen, the transmission could operate in a default mode with no DTC set and the MIL not illuminated. Dealers are to reprogram the Transmission Control Module (TCM) with updated software.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and...
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Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
Read full bulletin
the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad...
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replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head...
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gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module...
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setting DTC: P0606 and turning on a Check Engine Lamp.
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head...
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gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
This engineering information (EI) closure ends the need for gathering information from the field in regards to...
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Malfunction Indicator Lamp (MIL) Illuminated, Service Rear Axle Message on Driver Information Center (DIC), Transmission Shifting Concerns.
This service bulletin provides a procedure to correct the condition of Service Engine Soon Light/Message with DTCs P16F3...
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and/or P060C in the ECM.
This Preliminary Information communication provides information to the technician that General Motors and General Motors...
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of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation into the USA.
This Preliminary Information communication provides information to the technician to not remove the torque converter...
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bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
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GDS 2.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle...
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Identification.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
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internal engine damage.
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the...
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engine is started while diagnosing for noise from the engine or transmission.
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and...
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Recommendations.
This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint...
Read full bulletin
appearance to hood and engine covers exposed carbon fiber parts.
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
Read full bulletin
and improve fuel economy.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
Read full bulletin
engine related shudder.
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise.
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Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
This Preliminary Information communicates how a dealership technician should access the hatch / rear compartment in case...
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of electrical and / or mechanical lock cylinder failure.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
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 Malfunction Indicator Lamp (MIL) Illuminated, Service Rear Axle Message On Driver Information Center (DIC), Transmission Shifting Concerns.
This engineering information (EI) closure ends the need for further information from the field in regards to the Service...
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Engine Soon (SES) lamp illuminated on the driver information center (DIC) and DTC P0101, U060F and/or U1346 Set.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
This Preliminary Information communication provides information to the technician about vehicles that have an unusual...
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noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged...
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Turbochargers Returned to Warranty Part Center.
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
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 Malfunction Indicator Lamp (MIL) Illuminated, Service Rear Axle Message On Driver Information Center (DIC), Transmission Shifting Concerns.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This engineering information (EI) closure ends the need for further information from the field in regards to a...
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Transmission Hot message displayed on DIC and/or Vehicle Will Not Disengage from Park, DTCs P0606, P0607 Set.
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 engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards to a Transmission Hot message displayed on DIC and/or Vehicle Will Not Disengage from Park, DTCs P0606, P0607 Set.
This Preliminary Information communication provides information to the technician about a no start or another concern...
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after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
This Preliminary Information 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 service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
Read full bulletin
and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint.
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GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY).
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this...
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occurrence.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards to the Service Engine Soon (SES) lamp illuminated on the driver information center (DIC) and DTC P0101, U060F and/or U1346 Set.
This engineering information (EI) closure ends the need for further information from the field regarding dealership...
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personnel that when it comes to the scheduled maintenance at 12,070 km (7500 mi), or within the first year of ownership, to send engineering the Dual Clutch Canister Transmission Filters for inspection after replacement.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
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vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This engineering information (EI) is requesting dealership personnel that when it comes to the scheduled maintenance at...
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12,070 km (7500 mi), or within the first year of ownership, to send engineering the Dual Clutch Canister Transmission Filters for inspection after replacement.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.
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Technicians shouldrefer to Service Information for information regarding most accessories. Technicians mayalso contact PARTECHand/orthe Techline Customer Support Center for additional support.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC).
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling.
This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and...
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Malfunction Indicator Lamp (MIL) Illuminated.
This engineering information (EI) requests dealership personnel involve GM Engineering in the event an Owner is in...
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Receipt of a PAI (Proactive Alert Identifier) "SAC003" and/or the Dealer is informed of excessive Parasitic Drains on an in-inventory vehicle.
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 Check Engine Lamp illuminated on the Driver Information Center (DIC) and/or poor fuel fill, DTC P0451 Set.
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 Check Engine Lamp illuminated on the Driver Information Center (DIC) and/or poor fuel fill.
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 service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
Read full bulletin
and improve fuel economy.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
Read full bulletin
internal engine damage.
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this...
Read full bulletin
occurrence.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
Read full bulletin
the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire andengine noise...
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with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190Possible broken valve spring.
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire andengine noise...
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with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190Possible broken valve spring.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise.
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Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
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 provides guidelines and diagnostic/repair information to technicians regarding vehicle...
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engine oil consumption.
This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse.
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The PI advises that engineering is investigating the concern.
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 provides guidelines and diagnostic/repair information to technicians regarding vehicle...
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engine oil consumption.
This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse.
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The PI advises that engineering is investigating the concern.
Service Update. Certain vehicles may present a broken engine valve spring.
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This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle...
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Identification.
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
This Preliminary information communicates and issue with programming a replacement side object detection module and...
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engineering is working on the issue.
This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse.
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The PI advises that engineering is investigating the concern.
This Preliminary information communicates that the transmission control module is on restriction to help engineering root cause any early issue.
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Part restriction ended on 11/17/2020.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This Preliminary information communicates 6.2L engine restriction, Contact TAC
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet CorvetteElectronic Brake...
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Boost Control Module andValve Kit, Brake Pressure Modulator.
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
This Preliminary information communicates 6.2L engine restriction, Contact TAC
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
The Preliminary Information communication advises the technician that the Product Quality Center has a part restriction...
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for the E99 Engine Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet CorvetteElectronic Brake...
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Boost Control Module andValve Kit, Brake Pressure Modulator.
This Preliminary information communicatesA Vehicle may have a concern of service engine light, misfire and engine noise...
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with possible of DTC P0300 P0106 P0506, Possible valve spring concern
This engineering information (EI) ends the need for information from the field regarding a hood alignment panel being...
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sub-flush to fenders.
The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 6.2LLT2engine.
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The dealer technician is advised to call the GM Product Quality Center for further assistance
This Preliminary Information communication advises the technician that theRadio or Tuner, radio controls, Integrated...
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Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or...
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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 PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet CorvetteElectronic Brake...
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Boost Control Module andValve Kit, Brake Pressure Modulator.
The Preliminary Information communication advises the technician that the Product Quality Center has a part restriction...
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for the E99 Engine Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance.
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 the field to determine the root cause and validate a...
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field fix for a hood alignment panel being sub-flush to fenders.
This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
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 communication advises the technician that theRadio or Tuner, radio controls, Integrated...
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Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
This Preliminary information communicatesSome customers may comment on a hiss or vacuum leak noise coming from the...
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engine compartment during normal engine operation. Or upon inspection technician may notice the hiss or vacuum leak noise coming from the foul air PCV tube to intake connection.This condition is caused by normal air flow through the PCV tube
This informational bulletin is to introduce the all new 2020 Chevrolet Corvette and provide an overview to help the...
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Service Department Personnel become familiar with the engine, transmission, brake system and some of the other vehicle systems.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet CorvetteElectronic Brake...
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Boost Control Module andValve Kit, Brake Pressure Modulator.
This Preliminary information communicates a low milage vehicle may have a rough idle and misfire concern.
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This may be a result of soot on the spark plugs. Using GDS raise engine speed to 2000 RPM for 10 minutes and reevaluate.
This Preliminary information communicatesP16F3 setting after performing a cylinder deactivation tes with GDSA software...
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anomaly clear the codes when done with the test. Do not replace the ECM
The Preliminary Information communication advises the technician that the Product Quality Center has a part restriction...
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for the E99 Engine Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance.
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by...
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General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this...
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occurrence.
This Preliminary information communicates that the transmission control module is on restiction to help engineering root...
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cause any early issue.
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for...
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customer concerns related to wheel alignment.
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to...
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correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 6.2LLT2engine.
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The dealer technician is advised to call the GM Product Quality Center for further assistance
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle...
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with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or history. The Camshaft Position Actuator Solenoid Valve may be sticking or binding causing the valve timing to be retarded. Dealer will need to cycle the Camshaft Position Actuator Solenoid Valve by energizing it using Global Diagnostic System 2.
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle...
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engine oil consumption.
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or...
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transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
This Preliminary Information communication provides information to the technician about a no start or another concern...
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after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
This Preliminary information communicatesA vehicle may have a tick noise from the engine cold, initial start in the...
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morning.A lifter may not have sufficient amount of oil during cold start operation (not pumped up).As information comes in the Pi will be updated and when the final repair is out this this PI will be changed to a Bulletin
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 provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after...
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severe internal engine damage.
Pre-Delivery & Maintenance
176 bulletinsThis Preliminary information communicates that characterizing certain parts is no longer required, the service...
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instruction was changed but technicians are still trying to perform the function causing further confusion.
This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may...
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not pass California smog inspection or smog inspection in other states.
This Preliminary information communicates that characterizing certain parts is no longer required, the service...
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instruction was changed but technicians are still trying to perform the function causing further confusion.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming...
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from the rear of vehicle.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
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that request to disable or enable content.
This service bulletin provides information on proper use of floor mats.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This service bulletin provides diagnostic aid information for dealers/technicians on Vehicle Speed Limited.
This service bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in...
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History.
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 service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming...
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from the rear of vehicle.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
This service bulletin 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 Preliminary information communicates that characterizing certain parts is no longer required, the service...
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instruction was changed but technicians are still trying to perform the function causing further confusion.
This service bulletin describes the U.S.
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Dealer Special Tool Loan Program process.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
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repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle...
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services and maintenance on vehicles originating/sold in Canada.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
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the warranty transaction submission procedures that support the Personal Property Damage process.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information on proper use of floor mats.
This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME)...
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FAQs.
This service bulletin provides technicians with information to help identify the differences between what is considered...
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a fluid leak, and what is considered fluid seepage.
This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center...
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console area.
This service bulletin provides repair information for technicians that may be Unable to Complete Serial Data...
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Authentication on the vehicle.
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 service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
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shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with...
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Vehicle Intelligence Platform (VIP).
This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming...
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from the rear of vehicle.
This Preliminary information communicates that characterizing certain parts is no longer required, the service...
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instruction was changed but technicians are still trying to perform the function causing further confusion.
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 repair information to correct a customer concern of the Convertible Top May Not Lower...
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Intermittently, TDTC B19E4 SYM64 Stored in History.
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 service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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Only).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
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warped or misshapen.
This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME)...
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FAQs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
This service bulletin describes the U.S.
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Dealer Special Tool Loan Program process.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
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Assistance Center (TAC).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
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.
Read full bulletin
Dealers Only).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before being sold (prepping) to the customer.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted...
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to GM for payment.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
Read full bulletin
operation.
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S.
Read full bulletin
Only).
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
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that request to disable or enable content.
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with...
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Vehicle Intelligence Platform (VIP).
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 Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(WPC) Parts Return Program.
This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center...
Read full bulletin
console area.
This service bulletin provides repair information to correct a customer concern of the Convertible Top May Not Lower...
Read full bulletin
Intermittently, Technician may find DTC B19E4 SYM64 Stored in History.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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Only).
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
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E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S.
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and Canada.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
Read full bulletin
causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs...
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(North America ONLY).
This service bulletin provides information for dealers/technicians on on unable to open folding top, DTC B19E1 sym64...
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possibly set.
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
Read full bulletin
submit a Pre-Repair Authorization (PRA).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
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warped or misshapen.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
Read full bulletin
Spin-On Oil Filters.
This service bulletin provides repair information to correct a customer concern of the Convertible Top May Not Lower...
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Intermittently, Technician may find DTC B19E4 SYM64 May be Stored in History.
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 Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program Information.
This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
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Technical Assistance (TAC).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before being sold (prepping) to the customer.
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with...
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independent causes (GM Canada Dealers Only).
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for dealers/technicians on on unable to open folding top, DTC B19E1 sym64...
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possibly set.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
Read full bulletin
replacements.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
Read full bulletin
Spin-On Oil Filters.
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate...
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Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center...
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console area.
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front...
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grille or radiator area.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
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 for dealers on how to submit a product information report (PIR) (Canada...
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
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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Dealers Only).
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 (U.S. Only).
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
This 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 for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs...
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(North America ONLY).
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 information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
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 bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated...
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(CCND) Labor Operation Numbers.
This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and...
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PF48.
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 information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA) (US dealers only).
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program Information.
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program Information.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This technical bulletin provides a Service Procedure for dealers/technicians on Service Front Leveling System Message -...
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DTC U3000 SYM49 Stored.
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program Information.
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated...
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(CCND) Labor Operation Numbers.
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (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 bulletin provide policy information to cover GMs policy on performing GM covered vehicle...
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services and maintenance on vehicles originating/sold in Canada.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
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repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA) (US dealers only).
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles...
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that may not pass California smog inspection or smog inspection in other states.
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398,...
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E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA) (US dealers only).
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399,...
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E4403, M4404, M4413, E4414, E4423, E4491 or E6961).
Electrical
102 bulletinsCertain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure.
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GM will update software calibrations in the vehicles exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.
Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure.
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GM will update software calibrations in the vehicles exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.
This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this...
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concern, to perform the steps listed and should be able to reprogram the module and correct this.
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'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 Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the...
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load on the system that may be causing a drain.
This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use...
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for certain repairs, such as Wiring Harness Repairs.
This service bulletin provides 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 service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
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repairing wiring harnesses.
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 repair information to correct a customer concern of Top Not Secure DIC Message, DTC B19E4...
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SYM64 May be Stored in History in Convertibles.
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 information to the field on how to access the rear compartment in case of a...
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loss of battery power.
This Preliminary Information communicates information to the field on how to access the rear compartment in case of a...
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loss of battery power.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles.
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It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to...
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increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
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repairing wiring harnesses.
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 EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
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 have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This Preliminary information communicates an issue with a SES MIL on and DTC U0139 set in the ECM.
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Dealers are to cycle the power to the suspension control module to correct this issue.
This Preliminary Information communicates information to the field on how to access the rear compartment in case of a...
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loss of battery power.
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 service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) FAQs.
This service bulletin provides information for U.S.
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dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
This Preliminary information communicates an issues withfalse codes setting in vehicles due to timing issues between the...
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modules.
This service bulletin provides repair information to correct a customer concern of various electrical concerns related...
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to I/P wiring harness fuse block or body wiring harness junction block terminal retention repairs.
This service bulletin provides information for U.S.
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dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
This service bulletin provides a procedure to repair a customer concern of Stop/Start System Inhibited / IBS / Battery...
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Monitor with Module Malfunction Indicator Light (MIL) Illuminated - DTC U152D, P15FF, P305D, P305E, U01B0 Set.
This service bulletin provides information on Module Harvesting.
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a...
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condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.
This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.
This Preliminary information communicates a parts restriction is in place for the Central GatewayModule on 2020 Cadillac...
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CT4, CT5, and Chevrolet Corvette.
This service bulletin provides information for U.S.
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dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
This service bulletin provides repair information to correct a customer concern of Memory Seat Module Does Not Adjust.
This service bulletin provides information for U.S.
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dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
Service Update Bulletin.
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Certain vehicles that had the Serial Data Gateway Module (SDGM) replaced in service, may not have been programmed correctly resulting in an incomplete registration of the new module. Dealers are to reprogram the SDGM.
This Preliminary Information communication provides information to the technician with the correct way to remove the...
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front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector.
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical...
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connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set.
This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC,...
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hood may not open using any electrical release buttons, but will open using manual release cable.
This Preliminary information communicates an issues withfalse codes setting in vehicles due to timing issues between the...
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modules.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.
This service bulletin provides repair information to correct a customer concern of Memory Seat Module Does Not Adjust.
This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC,...
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hood may not open using any electrical release buttons, but will open using manual release cable.
This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC,...
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hood may not open using any electrical release buttons, but will open using manual release cable.
This Preliminary information communicates a parts restriction is in place for the Sensing and Diagnostic Module on 2020...
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Cadillac CT4, CT5 and Chevrolet Corvette.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
This Preliminary information communicates the Radio may stay on after ignition off and door opened if there is an Over...
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The Air update pending and to review SI document ID 5778263 for Over The Air update description and operation.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020...
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Cadillac CT4,CT5 and Chevrolet Corvette. Restriction has now ended.
This service bulletin describes the TLC/SPS2 Module Programming Requirements for Vehicles Using GM?s New Vehicle...
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Intelligence Platform (VIP) Module Architecture.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This Preliminary information communicates and issue with a SES MIL and the BCM keeping the ignition main relay on after the vehicle is turned off.
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Dealers are to replace the BCM.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon.
This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar Vehicle...
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Communication Interface Modules (VCIM) (GMNA Only) has ended.
This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020...
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Cadillac CT4, CT5 and Chevrolet Corvette.
This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020...
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Cadillac CT4, CT5 and Chevrolet Corvette.
Service Update - certain vehicles may have a condition when the front trunk is open and the vehicle speed is above 1.8...
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mph / 3 km/h the DIC message may indicate ?Hood Open Speed Limited to 26 MPH? or ?Hood Open Speed Limited to 82 MPH? depending on the level of software present in the vehicle. Dealers will reprogram the instrument panel cluster control module.
Customer Satisfaction Program - Certain 2020 model year Cadillac CT4, CT5, and Chevrolet Corvette vehicles, equipped...
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with the Cadillac User Experience with embedded navigation or the Infotainment 3 premium system w/navigation (RPO IOT), may have a condition where the radio display is non-functional except for the backup camera. The embedded Multi-Media Controller (eMMC) firmware contains a defect that could cause a continuous rebooting condition. Rebooting will continue even after shutdown, resulting in a battery drain for the affected vehicle, and possibly a dead battery and a no-start condition. Dealers will replace the radio receiver.
This Preliminary information communicates a parts restriction is in place for the Central GatewayModule on 2020 Cadillac...
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CT4, CT5, and Chevrolet Corvette.
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center...
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(DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center...
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(DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module.
This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using...
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MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette.
This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using...
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MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette.
This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using...
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MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, and Chevrolet Corvette.
This warranty administration bulletin explains to the technician that when using wiring repair labor operations,...
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additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
This Preliminary information communicates a parts restriction is in place for the Suspension Control Module on 2020...
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Cadillac CT4, CT5, and Chevrolet Corvette.
This PI communicates a parts restriction is in effect on 2020 Chevrolet Corvette Leveling Control Module.
This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020...
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Cadillac CT4,CT5 and Chevrolet Corvette. .
This Preliminary information communicates a parts restriction is in place for the Sensing and Diagnostic Module on 2020...
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Cadillac CT4, CT5 and Chevrolet Corvette.
This Preliminary information communicates a parts restriction is in place for the Central GatewayModule on 2020 Cadillac...
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CT4, CT5, and Chevrolet Corvette.
This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac...
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CT4, CT5, and Chevrolet Corvette.
This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020...
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Cadillac CT4, CT5 and Chevrolet Corvette.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module.
This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020...
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Cadillac CT5.
This informational bulletin provides information on key code security rules and information on GM keycode look-up...
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applications.
This informational bulletin provides information on key code security and information on GM key code look up...
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applications.
Other
97 bulletinsThis PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical...
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Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
New Vehicle Monitoring Programs Section in IVH
This PIC assists dealership technicians in diagnosing a folding top concern in which he/she may want to command the...
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folding top header latch to operate using the scan tool.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This 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 bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates 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 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 a process for accessing the procedure to add attachments to a GM...
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technical assistance case using the dealer case management tool.
This Preliminary Information communication advises the dealer the correct time, mileage and Labor operation used for the...
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first covered Maintenace.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This Preliminary information communicatesdirection and examples when diagnosing multiple DTCs, one of which includes...
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U**** Byte 71 DTC.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates 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 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 a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
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 Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This Preliminary Information communicates helpful information on diagnosing generalcustomer concerns related to a power...
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folding top.
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 for the IPC odometer programming method quick reference guide.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This Preliminary information communicates the correct part number for the MCV inM1M equipped vehicles.
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 bulletin provides information on Corvette C8 and Cadillac CT6 Structural Parts Restriction.
This bulletin provides information on Corvette C8 and Cadillac CT6 Structural Parts Restriction.
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 an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates 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 an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates 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 additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This Preliminary information communicatesdirection and examples when diagnosing multiple DTCs, one of which includes...
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U**** Byte 71 DTC.
This Preliminary information communicates a diagnostic tip to a technician working on a convertible with an inoperative...
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header latch.
This Preliminary information communicates additional diagnostics for P1789.
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product...
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Allegation Resolution (PAR) claim.
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This Preliminary Information communicates helpful information on diagnosing generalcustomer concerns related to a power...
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folding top.
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
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 a process to correct theconcern of Unable to contact OnStar after the 3G EOL...
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on 2015-2022 model year vehicles in the United States.
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 additional diagnostics for P1789.
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how...
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the dealership can resolve the issue.
This Preliminary information communicates information to the dealership technician on how to resolve a cosmetic gap in...
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the carpeting near the center console area.
This Preliminary information communicates request to have used filters returned for analysis.
This Preliminary information communicates additional diagnostics for P1789.
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication...
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configuration did not complete correctly.
This informational bulletin provides information on proper use of floor mats.
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 technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended...
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Crank with DTC P12A6.
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This Preliminary Information communicates helpful information on diagnosing generalcustomer concerns related to a power...
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folding top.
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set...
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in History.
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 communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This Preliminary information communicatesPossible Crank no start or extended crank with DTC p12A6 set current or...
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history.Under Investigation
This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.
This informational bulletin provides information for dealers/technicians on the removal of the Z51 spoiler to install...
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the high wing accessory spoiler.
This informational bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles...
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with Vehicle Intelligence Platform (VIP).
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in...
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higher CSi scores.
This informational bulletin provides information on interior cleaning products and what is offered to clean the...
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interiors of GM vehicles.
This informational 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 informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set...
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in History.
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the...
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front grille or radiator area.
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
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Technical Assistance (TAC).
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered...
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normal operations.
This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada...
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Only).
This informational bulletin provides information on comebacks prevention information and using customer concern...
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verification sheets (CCVS).
Transmission
82 bulletinsThe 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 PI communicates that previously not serviced parts in the transmission are now allowed to be serviced.
This service bulletin informs the technician on the running changes to the M1L, M1M and MLH automatic transmission.
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear...
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due to seeing grease or sealant on certain locations on the gear.
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
This Preliminary Information communication advises the technician on the need to provide additional information when...
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creating a TAC case for a DCT transmission
This service bulletin informs the technician on the running changes to the M1L, M1M, MLH automatic transmissions.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This Preliminary Information communication advises the technician on the need to provide additional information when...
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creating a TAC case for a DCT transmission
This Preliminary information communicates that due to parts shortages caused by the devastation of hurricane Helene we...
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are restricting transmission assemblies in service.
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2...
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software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
This Preliminary information communicates that due to parts shortages caused by the devastation of hurricane Helene we...
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are restricting transmission assemblies in service.
This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where...
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they will determine trans replacement or vehicle repair to correct customer concerns of a Dead Battery, No Start, and/or Vehicle Will Not Shut Down.
This service bulletin informs the technician on the running changes to the M1L automatic transmission.
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities.
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The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This service bulletin provides a service procedure to correct a customer concern of a noise from transmission area and...
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an MIL illuminated with Multiple DTCs Set.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
This service bulletin provides a service procedure to correct a customer concern of a noise from transmission area and...
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an MIL illuminated.
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where...
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they will determine trans replacement or vehicle repair to correct customer concerns of a Dead Battery, No Start, and/or Vehicle Will Not Shut Down.
This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where...
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they will determine trans replacement or vehicle repair to correct customer concerns of a Dead Battery, No Start, and/or Vehicle Will Not Shut Down.
This service bulletin informs the technician on the running changes to the M1L automatic transmission.
This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the...
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transmission to correct customer concerns of a Service Transmission Message Displayed on Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
This service bulletin provides repair information to correct a customer concerns of transmission related issues.
This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where...
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they will determine trans replacement or vehicle repair to correct customer concerns of a Dead Battery, No Start, and/or Vehicle Will Not Shut Down.
This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the...
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transmission to correct customer concerns of a Service Transmission Message Displayed on Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated.
This service bulletin informs the technician on the running changes to the M1L automatic transmission.
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 Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2...
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software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the...
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transmission to correct customer concerns of a Service Transmission Message Displayed on Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated.
This Preliminary information communicates the need to replace the transmission assembly for faults related to...
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non-serviceable internal parts..
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic...
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trouble codes.
This service bulletin provides information on performing a transmission service diagnostic test if any of the P-codes...
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shown are set.
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2...
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software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what...
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DTC has set.
This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic...
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trouble codes.
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear...
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due to seeing grease or sealant on certain locations on the gear.
This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what...
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DTC has set.
This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic...
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trouble codes.
This Preliminary information communicates the need to replace the transmission assembly for faults related to...
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non-serviceable internal parts..
This Preliminary information communicates the need to replace the transmission assembly for faults related to...
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non-serviceable internal parts..
This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is no longer on...
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restriction with the supplier for early root cause analysis.
This Preliminary information communicates the need to replace the transmission assembly for faults related to...
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non-serviceable internal parts..
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what...
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DTC has set.
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
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 Preliminary information communicates the need to replace the transmission assembly for faults related to...
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non-serviceable internal parts..
This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is on exchange with the...
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supplier for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is on exchange with the...
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supplier for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is on exchange with the...
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supplier for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
Service Update - Certain 2020 model year Chevrolet Corvette vehicles may have a condition where diagnostic trouble codes...
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(DTC?s) P1967 and/or P1968 may falsely set in the transmission control module (TCM) due to an internal software misalignment. GM will update the software in the TCM. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic...
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trouble codes.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic...
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trouble codes.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh...
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Shifts, Slips, or Flares.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been...
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repaired for the flare and its still noticed.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier...
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for early root cause analysis.
This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been...
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repaired for the flare and its still noticed.
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering...
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gear due to seeing grease or sealant on certain locations on the gear.
Lighting
44 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 warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance...
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Schedules.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This 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 diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE)...
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Tires and PDI installed Limited Production Option (LPO) Tires.
This Preliminary information communicates the possibility of misboxed/mislabled service parts.
This Preliminary Information communicates instructions for a dealership technician to properly diagnose a Service...
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Headlamp System message.
This Preliminary information communicates to dealers of a known issue with failed map update
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or...
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Fog/Driving Lamp Damage.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin provides information for dealers/technicians on History DTCs To Ignore / NO SES / NO Malfunction...
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Indicator Lamps / NO Warning Messages.
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 instructions for a dealership technician to properly diagnose a Service...
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Headlamp System message.
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities.
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This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
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Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power...
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up after a can bus 2 issue, lightning strike, or a failed overthe air update.
This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL)...
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Illuminated with DTC P2251 and/or DTC P2254 Set.
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities.
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This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
This service bulletin provides information on an Accessory Lighted Sill Plate that Does Not Illuminate or Intermittently...
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Illuminates.
This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL)...
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Illuminated with DTC P2251 and/or DTC P2254 Set.
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 service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL)...
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Illuminated with DTC P2251 and/or DTC P2254 Set.
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities.
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This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL)...
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Illuminated with DTCs U1961, U1983 setting.
This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL)...
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Illuminated with DTCs U1961, U1983 setting.
This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL)...
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Illuminated - DTCs P0521 and/or P06DD Set.
This informational bulletin provides information for the technicians to clear DTCs and allow the vehicle to go into...
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sleep mode to correct the Malfunction Indicator Lamp (MIL) Illuminated and to stop DTCs setting.
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and...
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the Proper use of GM Simplified Maintenance Schedules.
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement...
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Guidelines.
Body & Paint
44 bulletinsThis preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when...
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addressing underbody component corrosion with customers.
This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that...
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have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
This 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 service bulletin provides a procedure to correct a customer concern of Convertible Top Leak Around Side Glass in...
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High Pressure Car Wash.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This Preliminary information communicates information to dealership technicians on diagnosing and repairing a water leak...
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into the passenger side carpeting area after the AC has been used.
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
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characteristic.
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed...
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Aluminum Wheels.
This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces,...
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Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This service bulletin provides a procedure to correct a customer concern of Convertible Top Leak Around Side Glass in...
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High Pressure Car Wash.
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 service bulletin provides repair information to correct a customer concern of paint peeling or chipping on the...
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front fascia at the headlamp or fender seam.
This service bulletin provides information on Paintless Dent Repair Process.
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when...
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addressing underbody component corrosion with customers.
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
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characteristic.
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and...
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Replacement Guidelines.
This service bulletin provides repair information to correct a customer concern of paint peeling or chipping on the...
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front fascia at the headlamp or fender seam.
This service bulletin provides information on Remote Keyless Entry (RKE) System Operational Change for Front Trunk...
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Function.
This Preliminary information communicates information to dealership technicians on diagnosing and repairing a water leak...
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into the passenger side carpeting area after the AC has been used.
This Preliminary Information communication advises the technician the steps on diagnosing the concern.
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Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
This Preliminary Information communication advises the technician the steps on diagnosing the concern.
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Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
This Preliminary Information communicates diagnostic information for a dealership technician to address a paint chip in...
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the front fascia near the headlamp capsule.
This service bulletin provides repair information to correct a customer concern of paint peeling or chipping on the...
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front fascia at the headlamp or fender seam.
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 repair direction to the body shop for a paint code on a hard to find low gloss...
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black coating.
This Preliminary Information communicates diagnostic information for a dealership technician to address a paint chip in...
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the front fascia near the headlamp capsule.
This service bulletin provides information for dealers/technicians on an appearance concern with driver outside rearview...
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mirror dimming.
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and...
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Replacement Guidelines.
This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint...
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percentage.
This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and...
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that it is considered a normal condition.
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
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characteristic.
Thins informational bulletin provides information on Paint-less Dent Repair Process.
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed...
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Aluminum Wheels.
This informational bulletin provides information for dealers/technicians on a customer concern of a front side door...
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window intermittently auto reverses when going up or down.
This informational bulletin provides information on Remote Keyless Entry (RKE) System Operational Change for Front Trunk...
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Function.
This technical bulletin provides repair information to correct a customer concern of hearing a rattle or creak noise...
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from the quarter panel area while traveling at highway speeds.
This technical bulletin provides repair information to correct a customer concern of seeing a small front fascia paint...
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chip below one or more headlamps.
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces,...
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Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces,...
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Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This preliminary informational bulletin provides information to dealership personnel which may be helpful when...
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addressing underbody component corrosion with customers.
This informational 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.
Service Update - Certain 2020 model year Chevrolet Corvette vehicles may have a fender mounting bolt that is too long,...
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and could come in contact with the door. Dealers will inspect and replace the fender mounting bolt if necessary.
This technical 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.
Brakes
39 bulletinsThis 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 service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer...
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concern of wheel clicking.
This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting...
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Condition to Brake Rotor Surface.
This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of...
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time.
This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the...
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paint of the brake caliper.
This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting...
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Condition to Brake Rotor Surface.
This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the...
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paint of the brake caliper.
This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of...
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time.
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of...
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time.
This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of...
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wheel clicking.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting...
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Condition to Brake Rotor Surface.
This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector...
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and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
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 technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of...
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wheel clicking.
This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of...
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time.
This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the...
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paint of the brake caliper.
This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of...
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wheel clicking.
This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on...
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Initial Brake Applies.
Service Update - Certain 2020 model year Chevrolet Corvette vehicles may be missing the park brake caliper guide pin retention clip.
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A dislocated pin may damage the wheel. Dealers will inspect for retaining clip, and if necessary, replace the missing clip.
Tires & Wheels
32 bulletinsThis preliminary information communicates information about how to determine if a wheel and tires size change is...
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available.
This service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM...
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Vehicles.
This service bulletin provides information on summer tire performance and tire cold weather cracking.
This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or...
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Right, Wanders, Follows Depressions in Road Surface, Tramlining.
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or...
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Right, Wanders, Follows Depressions in Road Surface, Tramlining.
This service bulletin provides information on summer tire performance and tire cold weather cracking.
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all...
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repairs requiring balance and Road Force measurement.
This service bulletin provides information to address a tire chatter noise during low speed tight turn conditions (i.e.
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parking lot, driveway, etc.) primarily during cooler ambient temperatures.
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
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Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all...
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repairs requiring balance and Road Force measurement.
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are...
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Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
This service bulletin provides information on summer tire performance and tire cold weather cracking.
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate...
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ride characteristics of GM cars and trucks.
This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate...
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ride characteristics of GM cars and trucks.
This informational bulletin provides information to address a chatter noise during low speed tight turn conditions (i.e.
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parking lot, driveway, etc.) primarily during cooler ambient temperatures.
This service bulletin provides information on summer tire performance and tire cold weather cracking.
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance,...
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Shake, Flat Spotting) of GM Original Equipment Tires.
This service bulletin provides information on summer tire performance and tire cold weather cracking.
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left...
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or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left...
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or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
Service Update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed...
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and do not meet internal GM requirements. Vehicles in this field action are to have two sets of wheels inspected. The wheels on the vehicle are inspected under N202315730 and the extra wheels are inspected under this field action. Dealers are to inspect the wheels and replace if necessary.
Service update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed...
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and do not meet internal GM requirements. Dealers are to inspect the wheels and replace if necessary.
Service Update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed...
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and do not meet internal GM requirements. Vehicles in this field action are to have two sets of wheels inspected. The wheels on the vehicle are inspected under N202315730 and the extra wheels are inspected under this field action. Dealers are to inspect the wheels and replace if necessary.
Service update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed...
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and do not meet internal GM requirements. Dealers are to inspect the wheels and replace if necessary.
This service bulletin provides information on tire cold weather cracking and the proper techniques on taking care of the...
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tires and proper use.
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left...
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or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for...
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GM Vehicles.
Fuel System
31 bulletinsThis PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and...
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advises of warranty direction.
This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State...
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who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000-mile Emission Select State Component Limited Warranty.
This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for...
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analysis.
This Preliminary Information communicates diagnostic information to dealership techs in assisting them with determining...
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OEM mufflers from aftermarket ones.
This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport...
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or Track Modes and that this is considered a normal characteristic.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
This bulletin provides 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 for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure...
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the line is reinstalled correctly to avoid a no/low fuel pressure situation.
This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport...
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or Track Modes and that this is considered a normal characteristic.
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 Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport...
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or Track Modes and that this is considered a normal characteristic.
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a...
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customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel...
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Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport...
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or Track Modes and that this is considered a normal characteristic.
This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable...
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diesel fuel.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a...
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customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
This service bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently...
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Display Erratic and/or Empty Readings and MIL with DTC P0462.
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a...
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customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
This service bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently...
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Display Erratic and/or Empty Readings and MIL with DTC P0462.
This Preliminary information communicatesI vehicle may come in with a need to test the EVAP system for a leaks.CH-52519...
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modification
This Preliminary information communicatesI vehicle may come in with a need to test the EVAP system for a leaks.CH-52519...
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modification
This technical bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently...
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Display Erratic and/or Empty Readings and MIL with DTC P0462.
This informational bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in...
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Sport or Track Modes and that this is considered a normal characteristic.
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the...
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part and ordering it from the EPC.
This technical bulletin provides a procedure to correct a Condition of Fuel Gauge May Intermittently Display Erratic...
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and/or Empty Readings and MIL with DTC P0462.
Infotainment
20 bulletinsThis service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation -...
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Flashing Diamond - Spot - or UFO like image on Camera Display.
This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display...
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in DIC.
This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation -...
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Flashing Diamond - Spot - or UFO like image on Camera Display.
This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation...
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- Flashing Diamond - Spot - or UFO like image on Rear View Camera Display.
This service bulletin provides information and programming procedures for dealers/technicians on the release of Radio...
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Software Update Version GB108.2 for vehicles equipped with Infotainment system RPO IOS or IOT, in addition to providing general robustness and stability enhancements.
This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation...
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- Flashing Diamond - Spot - or UFO like image on Rear View Camera Display.
This service bulletin provides information and programming procedures for dealers/technicians on the release of Radio...
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Software Update Version GB108.2 for vehicles equipped with Infotainment system RPO IOS or IOT, in addition to providing general robustness and stability enhancements.
This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation...
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- Flashing Diamond - Spot - or UFO like image on Rear View Camera Display.
Service Update. Certain vehicles may have various updated software available as part of the radio continuous improvement.
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A most notable improvements list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. GM will update the software in the radio. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
This technical bulletin provides repair information to correct a customer concern of Speaker Noise, or Loss of Bass, or...
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Low / No Output of Audio from Individual Speaker Channels.
This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or...
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Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.
This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or...
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Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.
Service update - certain vehicles have an incorrect radio-frequency (RF) identification number on the RF label affixed...
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to the back of the radio display. Dealers are to print the insert and place it in the owner manual.
This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display...
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in DIC.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
This informational bulletin provides information for dealers/technicians on Head-Up Display (HUD) on Vehicles Model Year...
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2017 and Newer Having Rotational Feature that Allows for Adjusting of Angle of HUD Image.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.
Suspension
11 bulletinsThis service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle...
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and should not be submitted as a warranty repair whenever there is a customer concern of a Service Front Lift System Message on DIC or fluid leaking from shocks.
This service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle...
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and should not be submitted as a warranty repair whenever there is a customer concern of a Service Front Lift System Message on DIC or fluid leaking from shocks.
This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift...
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System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set.
This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift...
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System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set.
This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift...
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System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set.
This service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle...
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and should not be submitted as a warranty repair.
This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift...
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System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set.
This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift...
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System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set.
This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218...
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Front Suspension Lift System.
This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218...
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Front Suspension Lift System.
This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218...
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Front Suspension Lift System.
HVAC & Climate
8 bulletinsPI to help diagnose A/C concern
This 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 service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
This service bulletin provides repair information to correct a customer concern of Air Conditioning Not Blowing Cold...
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Air.
This service bulletin provides repair information to correct a customer concern of Air Conditioning Not Blowing Cold...
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Air.
This service bulletin provides repair information to correct a customer concern of Air Conditioning Not Blowing Cold...
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Air.
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
Service Update. On certain vehicles, the HVAC condensate drain hose may not be fully installed and may result in a water leak.
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Dealers are to fully install the HVAC condensate drain hose.
Software & Calibration
7 bulletinsThis service bulletin provides technicians with updated information to help identify the differences between what is...
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considered a fluid leak, and what is considered fluid seepage.
This service bulletin provides technicians with updated information to help identify the differences between what is...
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considered a fluid leak, and what is considered fluid seepage.
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.
Service Update. On certain vehicles, there may be a hydraulic lift fluid leak at the front right hand (passenger) side of the vehicle.
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Dealers are to replace the front hydraulic lift fluid reservoir vented cap with a non-vented cap.
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/service procedure for dealers/technicians on Improved Electronic Limited Slip...
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Differential (ELSD) Calibration.
This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update...
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for TTY / TDD Operation and Continuous Improvement Changes.
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 service bulletin provides information on AGM batteries that require less frequent charging in storage.
This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or...
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USB Receptacle Inoperative.
Phone Left In Wireless Cellphone Charger Reminder.
Air Bags & Safety
3 bulletinsThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
This Preliminary information communicates assistance in locating theRear seat belt comfort guidesin the parts catalog.
This service bulletin provides information on availability for a seat belt extender.
Steering
1 bulletinThis informational bulletin provides information for dealers/technicians on power seat, power mirrors and steering wheel...
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entry/exit memory recall settings intermittently inoperative.