2020 Gmc Yukon Xl TSBs
708 Technical Service Bulletins across 17 categories
Categories
Engine
199 bulletinsThis Preliminary information communicates a diagnostic tip for an issue where the starter stays engaged after the engine starts.
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Dealers are to suspect/monitor the crankshaft position sensor.
This 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 technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston.
This PI communicates a procedure to clean oil leaking from the rain sensor.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a...
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sticking valve that may cause the MIL to illuminate.
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed...
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parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
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GDS 2.
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the...
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customer.
This 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 engineering information (EI) closure ends the need for gathering further information from technicians in regard to...
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a Chirp, Squeal, and/or Whine Type Noise Heard from Front of Vehicle During a Cold Start and/or While in Operation.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This engineering information (EI) is requesting information from technicians to perform the check list provided and...
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contact the engineer listed in regards on hearing one or more of the following noises coming from the front of the vehicle during a cold start and/or while in operation.
This 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 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 bulletin updates the position of General Motors on refinishing aluminum wheels.
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GM has determined that wheel refinishing under warranty will no longer be performed.
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours.
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This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed...
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parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
This technical bulletin 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 provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines...
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and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
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and improve fuel economy.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
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the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage...
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patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.
This PI bulletin advises the technician on the proper way to install the pistons in an engine.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This 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 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 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 informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible...
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damage or corrosion that might be caused by a damage grommet inside the electrical connector.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This informational bulletin advised the technician that the engine and related parts will be debited if found that the...
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tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
GDS 2.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
Read full bulletin
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 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 a service procedure to correct a condition of a Ticking Noise from the Engine.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
Read full bulletin
issue.
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 bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
Read full bulletin
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 service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the...
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customers concern of engine misfire, ticking noise and/or MIL Illuminated.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles...
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that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on when the ignition is in the run position. Technician may find Diagnostic Trouble Codes P0513 and or P262B may also be set. Technician will pulled the driver sill plate and inspect the wiring for damaged or corroded circuits. Technician will repair any damaged or corroded circuits.
This service bulletin provides information for after installation of a replacement upper valve body, the transmission...
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may have no Reverse and no 2nd gear.
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the...
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customers concern of engine misfire, ticking noise and/or MIL Illuminated.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible...
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damage or corrosion that might be caused by a damage grommet inside the electrical connector.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the...
Read full bulletin
customers concern of engine misfire, ticking noise and/or MIL Illuminated.
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...
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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 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...
Read full bulletin
and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern.
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the...
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customer.
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head...
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gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
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...
Read full bulletin
Identification.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
Read full bulletin
consumption.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
Read full bulletin
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 technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve...
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which will need to be installed to correct the repair.
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and...
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Recommendations.
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 advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours.
Read full bulletin
This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
Check Engine MIL Illuminated in DIC Set by Body Control Module with DTC P0607
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to...
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verify if it is coming from the seal or not.
This engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards to the Power Floor Console Armrest will not lock in place and/or the console lid slides back and forth freely.
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 Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance.
This engineering informational bulletin is requesting information from technicians to perform the check list provided...
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and contact the engineer listed in regards the Service 4WD message displayed on the driver information center (DIC).
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 Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold...
Read full bulletin
or the vehicle has sat for a few hours.
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 bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through...
Read full bulletin
failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
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 changing the tire and wheel size on vehicles.
Read full bulletin
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 service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the...
Read full bulletin
customers concern of engine misfire, ticking noise and/or MIL Illuminated.
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).
Information bulletin explains a possible coolant leak coming from the cylinder head bolt areas.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This service bulletin provides 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 Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours.
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This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
This service bulletin provides diagnostic information for a customer concern of engine vibration.
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 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 diagnostic information for a customer concern of engine vibration.
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 information on the cold start control system in DI engines to reduce cold start emissions...
Read full bulletin
and improve fuel economy.
Service Update Bulletin (Labor Codes Added).
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Certain vehicles may have a condition where the engine control module (ECM) software allows the Auto Stop to occur at a state of charge below 65%. Auto Stop is supposed to be inhibited at 65% to protect against excessive battery wear and discharge. Dealers are to reprogram the ECM.
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 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 communicates to the dealer technician to replace the transmission valve body on 2019-2021...
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10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of these DTCs.
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...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
GDS 2.
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle...
Read full bulletin
engine oil consumption.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in...
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Drive concern.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
Read full bulletin
caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or...
Read full bulletin
GDS 2.
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle...
Read full bulletin
engine oil consumption.
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
Read full bulletin
Dealers Only).
This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine.
This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in...
Read full bulletin
Drive concern.
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
Read full bulletin
caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle...
Read full bulletin
Identification.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
Read full bulletin
General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
Read full bulletin
service or aftermarket calibrations.
This engineering informational bulletin is requesting information from the technicians for the following conditions for...
Read full bulletin
the cluster.
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through...
Read full bulletin
failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.
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 communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up.
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White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. CauseCoolant getting into the cylinders, and provides direction for the repair.
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 Preliminary Information communication provides information and definitionsto the technician about vehicles that...
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have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians arereferred toTorque Converter Diagnosis in SI.
This Preliminary Information communication provides information and definitionsto the technician about vehicles that...
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have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians arereferred toTorque Converter Diagnosis in SI.
This Preliminary Information communication provides information to the technician with the steps on diagnosing and...
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repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set. Technician will use this preliminary information to find the brake pedal position data parameters in the scan tool, and also to provide some additional diagnostic help. These issues may be caused by an incorrect brake pedal position sensor input to the engine control module. Technician will verify with the scan tool if the engine control module has the correct parameters for the brake pedal position sensor. If an engine control module brake pedal position sensor relearn is performed, the truck may be temporarily repaired until the intermittent wiring issue between the engine control module and brake pedal position sensor occurs again. On 2014 and newer trucks inspect and repair any damage to X115 and X119. On the 2014 and previous trucks inspect and repair any damage to X205.
This engineering informational bulletin is requesting information from the technicians for the following conditions for...
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the cluster.
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 informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold...
Read full bulletin
or the vehicle has sat for a few hours.
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...
Read full bulletin
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 provides information and definitionsto the technician about vehicles that...
Read full bulletin
have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians arereferred toTorque Converter Diagnosis in SI.
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 communicatesThe vehicle may have an SES lamp with any of the following DTCP06DA, P06DB,...
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P06DC, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall.Possible wiring jumper harness pintched between the X154 connector bracket and the front engine cover on lower left side of the engine.
This engineering information (EI) is requesting information from the technicians for issues regarding Instrument Panel...
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Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
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 Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold...
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or the vehicle has sat for a few hours.
This Preliminary Information communication provides information to the technician about vehicles that may have a Service...
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Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set. Technician will fill the master cylinder brake fluid reservoir to the maximum level.
This engineering information (EI) is requesting information from the field to perform the check list provided and...
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contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or Turn Single Audio.
This 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 SKU is a Power Window Regulator and Motor Assembly.
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The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
This SKU is a Power Window Regulator and Motor Assembly.
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The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
This 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 Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a...
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guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for...
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customer concerns related to wheel alignment.
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin...
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has been sheared away to correct a crank/No Start condition.
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to...
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correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
This Preliminary Information communication provides information and definitionsto the technician about vehicles that...
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have fishbite, chuggle, misfire,AFM disturbances or torque converter shudder/vibrationconcerns. Technician are advised to use PICO software to determine root cause of the concern. If torque converter shudder is confirmed technicians arereferred toTorque Converter Diagnosis in SI.
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 Preliminary Information communication provides information to the technician that a customer may request the...
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factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness. Install trailer brake controller harness General Motors part number 23184088 into Middle Bus Electrical Center (X61A).
This Preliminary Information communication provides information to the technician about fluid leaking from the brake...
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caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the caliper boot and piston installation. This grease can be cleaned off and the rest of the service completed.
This Preliminary Information communication provides information to the technician about vehicles that have a Service...
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Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.
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 on how the radio display gets the air ambient temperature.
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On 1500 series trucks and all sport utility vehicle with regular production option code IO3 radio the ambient air temperature sensor is hard wired to the engine control module and then the signal goes on high speed local area network to the body control module from there on low speed local area network to the radio. On 1500 series trucks and all sport utility vehicle with regular production option code IO4, IO5, or IO6 the ambient air temperature sensor is hard wired to the engine control module and then the signal goes on high speed local area network to the body control module from there on low speed local area network to the radio then Most 50 Bus to the Human Machine Interface. On 2500/3500 series trucks production option code IO3 radio the ambient air temperature sensor is hard wired to the instrument panel cluster and then the signal goes on low speed local area network to the radio. On 2500/3500 series trucks production option code IO4, IO5, or IO6 radio the ambient air temperature sensor is hard wired to the instrument panel cluster and then the signal goes on low speed local area network to the radio then Most 50 Bus to the Human Machine Interface.
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 Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours.
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This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
This 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.
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours.
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This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
Pre-Delivery & Maintenance
158 bulletinsThis service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may...
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not pass California smog inspection or smog inspection in other states.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
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that request to disable or enable content.
This service bulletin provides information on proper use of floor mats.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
Read full bulletin
Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
Read full bulletin
before being sold (prepping) to the customer.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
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shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
This service bulletin describes the U.S.
Read full bulletin
Dealer Special Tool Loan Program process.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
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repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling,...
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Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle...
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services and maintenance on vehicles originating/sold in Canada.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
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the warranty transaction submission procedures that support the Personal Property Damage process.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
Read full bulletin
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...
Read full bulletin
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)...
Read full bulletin
FAQs.
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
This service bulletin provides technicians with information to help identify the differences between what is considered...
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a fluid leak, and what is considered fluid seepage.
This 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.
Read full bulletin
Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
Read full bulletin
shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
Read full bulletin
E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
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that request to disable or enable content.
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate...
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Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
This 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 information for dealers on how to submit a product information report (PIR) (Canada...
Read full bulletin
Only).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
Read full bulletin
and Canada Dealers Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This 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)...
Read full bulletin
FAQs.
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 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.
Read full bulletin
Dealers Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This 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...
Read full bulletin
vehicles before being sold (prepping) to the customer.
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 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...
Read full bulletin
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...
Read full bulletin
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.
Read full bulletin
Dealers Only).
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
Read full bulletin
that request to disable or enable content.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
Read full bulletin
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 information for dealers on how to submit a product information report (PIR) (Canada...
Read full bulletin
Only).
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
Read full bulletin
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...
Read full bulletin
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...
Read full bulletin
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.
Read full bulletin
Only).
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs...
Read full bulletin
(North America 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 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.
Read full bulletin
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...
Read full bulletin
replacements.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
Read full bulletin
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 information to inform dealership personnel about Law Enforcement and Government vehicles...
Read full bulletin
that request to disable or enable content.
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(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 information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
Read full bulletin
Dealers Only).
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 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...
Read full bulletin
replacements.
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...
Read full bulletin
Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front...
Read full bulletin
grille or radiator area.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
Read full bulletin
operation.
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles...
Read full bulletin
that request to disable or enable content.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
Read full bulletin
Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
Read full bulletin
programs.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
Read full bulletin
Pre-Repair Authorization (PRA).
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
Read full bulletin
unlocking.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
Read full bulletin
Pre-Repair Authorization (PRA).
This service bulletin provides information for dealers/technicians on the process to disable and enable passive...
Read full bulletin
unlocking.
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.
Read full bulletin
Dealers Only).
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
Read full bulletin
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 warranty administration bulletin provides policy information, proper labor operation selection and causal part...
Read full bulletin
identification for warranty transactions (U.S. Only).
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs...
Read full bulletin
(North America ONLY).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
Read full bulletin
vehicles before sold (prepping) to the customer.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
Read full bulletin
Pre-Repair Authorization (PRA).
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
Read full bulletin
warped or misshapen.
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
Read full bulletin
Pre-Repair Authorization (PRA).
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
Read full bulletin
Pre-Repair Authorization (PRA).
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
Read full bulletin
Only).
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated...
Read full bulletin
(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.
Read full bulletin
Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
Read full bulletin
Pre-Repair Authorization (PRA) (US dealers only).
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(WPC) Parts Return Program Information.
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(WPC) Parts Return Program Information.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
Read full bulletin
Only).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
Read full bulletin
vehicles before sold (prepping) to the customer.
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
Read full bulletin
(WPC) Parts Return Program Information.
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance...
Read full bulletin
programs.
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated...
Read full bulletin
(CCND) Labor Operation Numbers.
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S.
Read full bulletin
Only).
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
Read full bulletin
Only).
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle...
Read full bulletin
services and maintenance on vehicles originating/sold in Canada.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
Read full bulletin
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...
Read full bulletin
Pre-Repair Authorization (PRA) (US dealers only).
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles...
Read full bulletin
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,...
Read full bulletin
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...
Read full bulletin
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).
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).
Electrical
68 bulletinsThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC'ss
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no...
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DTC's
This 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 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 the technician with steps to resolve the issue of an oily substance...
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that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.
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 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 technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag...
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Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.
This 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 service bulletin provides information for U.S.
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dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
This service bulletin provides information on Module Harvesting.
This 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 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 informational bulletin provides a way for the technician to identify if the ECM has been modified.
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and...
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causing a battery draw.
This service bulletin provides information for U.S.
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dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag...
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Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.
This 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 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 technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground...
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at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical...
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connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set.
This Preliminary Information communication provides information to the technician about how to diagnosis a battery draw...
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that may be caused by a module back feeding voltage in the ignition relay circuits making the vehicle think it is still awake.
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and...
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causing a battery draw.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse...
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block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Technician will need to replace the rear body fuse block if poor terminal tension is the issue. Technician will need to replace the appropriate terminated lead if something other than the main power buss bar has poor terminal tension.
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be...
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inoperative due to the F2DL and/or the F8DL fuse(s) being open. Inspect the center console harness area at the hinge pivot point for chaffed circuits.
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag...
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Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion.
This 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 the memory seat module waking up the low speed GM lan bus and...
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causing a battery draw.
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground...
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at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and...
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causing a battery draw.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This Preliminary information communicatesSome customers may comment that the SES lamp is illuminated or was Illuminated and turned off.
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During inspection Technician may notice DTC P1682 (Ignition 1 Switch Circuit 2) active or stored in history. DTC?s P0101, P0689. P16A7 or P16BC may also be active or stored in history. Additionally, vehicle may have been into the dealer on a prior service visit and had the MAF sensor replaced for DTC P0101.This condition may be caused by a faulty ignition relay or underhood fuse block terminal concern.
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 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 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.
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground...
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at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery.
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be...
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inoperative due to the F2DL and/or the F8DL fuse(s) being open. Inspect the center console harness area at the hinge pivot point for chaffed circuits.
This Preliminary Information communication provides information to the technician about vehicles that may have any of...
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these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information center, service tire pressure system, no audio, touch screen Inoperative, Steering Wheel Controls Inoperative, Service Stabilitrak, rear power windows inoperative, rear wiper inoperative, and or a dead battery. Technician may find Diagnostic Trouble Codes B3101, B144C, C0710, C0544, U1548, U1549, U154A, U0151, U0126, U0415, U0077, U0028 and/or U0029. Technician should inspect the left instrument panel for the wire harness being pinched. Technician will need to repair the wire harness and reroute the wire harness.
This Preliminary Information communication provides information to the technician about vehicles with erratic or...
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hesitation when opening and closing the power liftgate. There may be a diagnostic trouble code B153A set in the power liftgate module. This concern could occur if the left liftgate actuator is internally coming apart. The actuator will need to be replaced however care must be taken when removing the actuator from the vehicle. If the internal portion of the actuator had completely separated the end of the actuator could become a projectile when removed. Obtain a number 8 self-tapping screw that measures 1 inches long. Fully open the liftgate and install the screw anywhere in a 30 millimeter space from the bottom of the smooth tube to secure the tubes. Continue with the liftgate actuator by following the liftgate power assist actuator procedure in service information.
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part...
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Number in eSI and how to locate the part(s) in the EPC.
This Preliminary Information communication provides information to the technician about vehicles that may have any of...
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these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information center, service tire pressure system, no audio, touch screen Inoperative, Steering Wheel Controls Inoperative, Service Stabilitrak, rear power windows inoperative, rear wiper inoperative, and or a dead battery. Technician may find Diagnostic Trouble Codes B3101, B144C, C0710, C0544, U1548, U1549, U154A, U0151, U0126, U0415, U0077, U0028 and/or U0029. Technician should inspect the left instrument panel for the wire harness being pinched. Technician will need to repair the wire harness and reroute the wire harness.
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not...
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when replacing a module.
Other
65 bulletinsThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
New Vehicle Monitoring Programs Section in IVH
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 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 bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions...
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and when the time is right to fill the DEF at that time frame.
This 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 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 for the IPC odometer programming method quick reference guide.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This Preliminary information communicatesinformation on how dealers can contact the supplier for Associated Accessories...
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offered through GM.
This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes.
Information.
This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes.
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.
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Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
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 communicatesinformation on how dealers can contact the supplier for Associated Accessories...
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offered through GM.
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This 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 carpet damage, seat mounting stud...
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wear through, hole in second row (Intermediate) carpet.
This Preliminary information communicatesinformation on how dealers can contact the supplier for Associated Accessories...
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offered through GM.
This informational bulletin provides information on 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 a repair to correct a condition of Shudder/Surging While Driving.
This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or...
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Fluctuate, No Crank, Start then Stall.
This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or...
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Fluctuate, No Crank, Start then Stall.
This technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or...
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Fluctuate, No Crank, Start then Stall.
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
This Preliminary information communicates information regarding switching between adaptive cruise control and regulate...
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cruise control.
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 technical bulletin provides repair information to correct a customer concern of IPC Gauges Inoperative or...
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Fluctuate, No Crank, Start then Stall.
This technical bulletin advises the technician to validate the code and reset if found the cause of the customers...
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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 bulletin provides information to dealers regarding transportation damage repair claim submission requirements.
This technical bulletin advises the technician to validate the code and reset if found the cause of the customers...
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concern.
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud...
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wear through, hole in second row (Intermediate) carpet.
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 Preliminary information communicatesinformation on how dealers can contact the supplier for Associated Accessories...
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offered through GM.
This informational bulletin provides information on interior cleaning products and what is offered to clean the...
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interiors of GM vehicles.
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.
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Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
This 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 technical bulletin provides repair information to correct a customer concern of hearing a squeak or creak from the...
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right rear of vehicle while driving.
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).
This informational bulletin provides information for dealers/technicians on the process to disable and enable passive...
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unlocking.
This Preliminary Information communication provides information to the technician about vehicles that have a detent /...
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click with a feel of increased resistance when the accelerator pedal is about of the way. The new accelerator pedal design has a built-in detent position near the last 1/4 of pedal travel. Dealer should communicate to the customer this is a normal operating characteristic of the vehicle and no repair attempts should be performed.
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
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.
Body & Paint
40 bulletinsThis PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame...
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Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when...
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addressing underbody component corrosion with customers.
This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that...
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have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
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peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This 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 information on Exterior Lamp Condensation and Water Leak Information and Replacement...
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Guidelines.
This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame...
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peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal...
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characteristic.
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed...
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Aluminum Wheels.
This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces,...
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Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This preliminary 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 informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This 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 preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This preliminary informational (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 communication provides information to the technician about vehicle that may have wind...
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whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Technician will inspect the quarter glass for excessive urethane. If excessive urethane is found use a sharp knife and cut off the excessive urethane. Also the technician will install foam tape along the entire length of the tail light assembly.
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 preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This 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 preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This 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.
This Preliminary Information communication advises the technician that the door striker cover will be shipped with the vehicle from the assembly plant.
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Technician is to make sure the rounded side of the cover is positioned towards the outboard side of the vehicle.
This Preliminary Information communication provides information to the technician about vehicles that have the alarm...
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sounding when learning new key fobs after the original key fobs were lost. Technician will open the driver?s door and allow the Content Theft Deterrent alarm to activate, which will pulse the horns and exterior lamps for approximately 30 seconds and the alarm will shut off at this time. As long as the driver?s door remains open the alarm will not turn back on and the new transmitters can be programmed.
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.
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax...
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coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service...
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Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
Transmission
40 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 Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and...
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repair of 8 Speed Transmissions
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear...
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due to seeing grease or sealant on certain locations on the gear.
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed...
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engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern...
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noted.
This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities.
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The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return.
This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if...
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found the cause of the customers concern of No Forward Gear When Shifting from Park to Drive and/or Reverse to Drive.
This 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 information bulletin advises the technician the difference between a welch cap leak and the output seal of the...
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t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by Rear of Transmission or Transfer Case Area.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when...
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the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This information advises the technician the difference between a welch cap leak and the output seal of the t-case or...
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transmission leaking ATF causing the customers concern.
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed...
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engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare...
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after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working on a model year 2007. On all other model years dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
This informational bulletin explains how the trans slip or flare can be a normal condition.
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if...
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no problem was found, to replace the tbv.
This service bulletin provides 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 informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if...
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no problem was found, to replace the tbv.
This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the...
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cause of the customers concern.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
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 informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh...
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Shifts, Slips, or Flares.
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh...
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Shifts, Slips, or Flares.
This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the...
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cause of the customers concern.
This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges...
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Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cruise or Adaptive Cruise and/or No Trailer Brake Lights.
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh...
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Shifts, Slips, or Flares.
This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges...
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Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cruise or Adaptive Cruise and/or No Trailer Brake Lights.
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed...
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engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare...
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after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working on a model year 2007. On all other model years dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried...
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to shift the t-case from 4lo to Hi gears while driving.
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.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
Brakes
32 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 Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This 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 Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive...
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disk on gasket sealing surfaces or reused parts.
This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector...
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and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair...
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vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle?s 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector with part number 23404450.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This technical bulletin provides a procedure to add PET tape to the brake cables if the cause of the customers concern.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle...
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that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when...
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theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly...
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abrasive disk on gasket sealing surfaces or reused parts.
Lighting
25 bulletinsThis preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL...
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along with several low speed lan DTCs.
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a...
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written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owners manual and warranty insert containing this information in English and Spanish.
Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a...
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written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owners manual and warranty insert containing this information in English and Spanish.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance...
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Schedules.
This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or...
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Replaced During Warranty Coverage Period.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
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Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE)...
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Tires and PDI installed Limited Production Option (LPO) Tires.
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or...
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Fog/Driving Lamp Damage.
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed...
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Accessories.
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in...
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Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty...
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Coverage Period.
This 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 information on 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 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.
Customer Satisfaction Program - Certain vehicles may have a condition in which the wrong front fascia grille and fog...
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lamp bezels were installed on the vehicle. Dealers are to replace the grille and fog lamp bezels.
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 on GM Accessories ? Dealer-Installed, Repaired or Replaced During...
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Warranty Coverage Period.
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement...
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Guidelines.
This informational bulletin provides information on Some vehicles 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.
Fuel System
21 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 service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This bulletin provides 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 service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
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 technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
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 technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange.
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 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 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 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.
Tires & Wheels
15 bulletinsThis service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM...
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Vehicles.
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
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 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 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 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 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.
This informational bulletin provides information for 22" accessory wheel/tire usages.
Infotainment
12 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 technical bulletin provides a procedure to replace the radio amplifier antenna if there is a condition of Poor...
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Remote Keyless Entry (RKE) Fob or Passive Unlocking Range due to a internal concerns within the antenna.
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 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 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 technical bulletin provides a procedure to replace the radio amplifier antenna if there is a condition of Poor...
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Remote Keyless Entry (RKE) Fob or Passive Unlocking Range due to a internal concerns within the antenna.
This technical bulletin provides a procedure to replace the radio amplifier antenna if there is a condition of Poor...
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Remote Keyless Entry (RKE) Fob or Passive Unlocking Range due to a internal concerns within the antenna.
This technical bulletin provides a procedure to replace the radio amplifier antenna if there is a condition of Poor...
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Remote Keyless Entry (RKE) Fob or Passive Unlocking Range due to a internal concerns within the antenna.
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 Preliminary information communicates repair information for therear vision camera or surround vision camera image...
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being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
This Preliminary information communicatescustomers may comment on poor remote keyless entry (RKE) range (less than 20...
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feet.) Some customers may comment that the RKE fob must be held next to the driver door handle before the doors will unlock when passively attempting to unlock the door. The Radio Antenna Amplifier may be causing the range issue.
This informational bulletin provides information for dealers/technicians on Information on Head-Up Display (HUD) on...
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Vehicles Model Year 2017 and Newer Has Rotational Feature that Allows for Adjusting of the Angle of the HUD Image.
Steering
8 bulletinsThis service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent...
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Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
This Preliminary Information communication provides information to the technician with additional information on the...
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functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
This Preliminary Information communication provides information to the technician with additional information on the...
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functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
This Preliminary Information communication provides information to the technician about vehicles that show a "Take...
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Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of the message is to alert the driver that the Lane Keep Assist system has not detected active steering input from the driver (hands off the steering wheel).
This Preliminary Information communication provides information to the technician with additional information on the...
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functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
Suspension
7 bulletinsThis service bulletin advises the tech to only replace the shock that is bad and not all shocks.
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair...
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vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.
This informational bulletin advises the tech to only replace the shock that is bad and not all.
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair...
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vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.
This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off...
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When Connected to the Single Port USB Hub.
This informational bulletin provides information for the customer a light contact between the front tire and the control...
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arm when in full turn and at low speeds.
This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off...
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When Connected to the Single Port USB Hub.
HVAC & Climate
6 bulletinsThis service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold...
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weather climates and testing those batteries.
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information...
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Center when the interior of the vehicle is hot from a sun load or extended heater operation. The Driver Information Center is designed to dim with high temperature exposure. This is done to protect the Driver Information Center from damage.
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for...
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vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair.
This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for...
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vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair.
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.
This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
Software & Calibration
4 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.
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.
Air Bags & Safety
3 bulletinsThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
This service bulletin provides information on regular inspection of the Seat Belt Lap Anchor.
This service bulletin provides information on availability for a seat belt extender.