2018 Gmc Yukon Xl TSBs
911 Technical Service Bulletins across 17 categories
Categories
Engine
262 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 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 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 service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal...
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test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This 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...
Read full bulletin
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 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 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 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 PI bulletin advises the technician on the proper way to install the pistons in an 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 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 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 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 service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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engine related shudder.
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil...
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consumption.
This service bulletin provides information to dealership personnel on automatic transmission shift and engine...
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driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft...
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issue.
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 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 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 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 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 explains how to measure for oil consumption and possible reasons for loss of oil.
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions...
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 Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S.
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Dealers Only).
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 information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of...
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 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 service bulletin provides graphics, information and guidelines for engine component wear to assist service...
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personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This service bulletin provides 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 Preliminary Information communication provides information to the technician about vehicles that have an unusual...
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noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple...
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repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe...
Read full bulletin
internal engine damage.
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this...
Read full bulletin
occurrence.
This service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact...
Read full bulletin
the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
This Preliminary Information communication provides information to the technician to not remove the torque converter...
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bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
This bulletin provides information on Policies Applicable to All U.S.
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Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
This Preliminary Information communication provides information to the technician about engine block of possible...
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cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This 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 service bulletin provides graphics, information and guidelines for engine component wear to assist service...
Read full bulletin
personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This service bulletin provides a 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 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 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 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 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 the use of J-35616-64B terminal...
Read full bulletin
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 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.
Special Coverage Adjustment - In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado,...
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Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may experience increased brake pedal effort, hard brake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low speed when softly applying the brakes. The engine mounted mechanical vacuum pump output may decrease over time decreasing the amount of vacuum/power brake assist. Failure to follow recommended oil change intervals could contribute to this condition. The Driver?s Information Center, (DIC) ?Service brake assist? alert will activate 2-5 minutes after the vacuum level drops, and a Diagnostic Trouble Code, (DTC) will also be set. Even where this condition occurs, the hydraulic brake system remains functional but may require additional pedal force. Dealers are to replace the vacuum pump and vacuum pump belt. The repairs will be made at no charge to the customer.
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
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vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This 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 communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Bulletin provides 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 to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Preliminary Information communication provides information to the technician that General Motors and General Motors...
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of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation into the USA.
This Preliminary Information communication provides information 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 that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors and General Motors...
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of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation into the USA.
This 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 technical 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 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 information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
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 communicates information that will need to be provided to TAC to aid in diagnosing if a...
Read full bulletin
vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
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 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 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 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 diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
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.
Read full bulletin
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...
Read full bulletin
occurrence.
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a...
Read full bulletin
guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.
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Technicians shouldrefer to Service Information for information regarding most accessories. Technicians mayalso contact PARTECHand/orthe Techline Customer Support Center for additional support.
This 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 communicates to the technician the need to inspect the induction system for potential icing...
Read full bulletin
issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary Information communication provides information to the technician 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 on the steps need to diagnose and...
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repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015?0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that "mating" surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped
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.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This Preliminary Information communication provides information to the technician 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 bulletin ends the need for information from the field on an Intermittent No Forward and/or...
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No Reverse While Driving condition. If this condition is encountered, refer to SI for further diagnosis.
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.
N182202780 01 - Special Coverage.
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Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. The condition is more prevalent at low speed when softly applyingthe brakes. The engine mounted mechanical vacuum pump outputmay decrease over time decreasing the amount of vacuum/power brake assist. Failure to follow recommended oil change intervalscould contribute to this condition. The Driver?s Information Center, (DIC) ?Service brake assist? alert will activate 2-5minutes after the vacuum level drops, and a Diagnostic Trouble Code, (DTC) will also be set. Even where this condition occurs,the hydraulic brake system remains functional but may require additionalpedal force. Please be aware that even if the vehicle exhibits this condition, it meets all federal motor vehicle safety standards forbrake performance. Dealers are to replace the vacuum pump and vacuum pump belt. The repairs will be made at no charge to the customer.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary Information communication provides information to the technician about vibration complaints that are...
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one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
This diagnostic tip provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
This diagnostic tip provides information to the tech to aid in performing a diagnostic test to verify if the camshaft...
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alignment pin has been sheared away.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles...
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that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Technician will replace timing chain tensioner guide. If oil pump face is damaged and or worn thru replace oil pump. Inspect bearings for damage wear due to debris from oil pump.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.
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Technicians shouldrefer to Service Information for information regarding most accessories. Technicians mayalso contact PARTECHand/orthe Techline Customer Support Center for additional support.
This engineering information bulletin is requesting information from the field to validate a field fix.
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Before contacting engineers, remove the transmission oil pan and inspect for nickel to quarter size pieces of aluminum debris in the oil pan. The 2-3-4-6-8 and 4-5-6-7-8 reverse clutch assembly and the 1-3-5-6-7 clutch assembly may be broken in several pieces.
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 provides information to the technician on how to diagnose and repair vehicles...
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that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Technician will replace timing chain tensioner guide. If oil pump face is damaged and or worn thru replace oil pump. Inspect bearings for damage wear due to debris from oil pump.
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.
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Technicians shouldrefer to Service Information for information regarding most accessories. Technicians mayalso contact Partechand/orthe Techline Customer Support Center for additional support.
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with...
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conductive finish.
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using...
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the Tech 2 or GDS 2.
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 bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper...
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service or aftermarket calibrations.
This Preliminary Information communication provides information to the technician about 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 informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains...
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how toptier fuels should be used to reduce carbon build up.
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a...
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Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service information diagnostics have been completed and there is still no trouble found, the technician is to inspect for a possible terminal tension concern on the ignition coil power feed for the cause of the rough running engine and or the P0300. For the Service Engine Soon light or traction control lamp concern check the X2 connector of the under hood fuse block for poor pin retention.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician to not remove the torque converter...
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bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
This Preliminary information communicatesA vehicle may have a concern of a misfire P0300 on bank 1 that may or may not be felt driving.
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The Cause may be theHPFP lifter
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 informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle.
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If snow and/or ice is present on the active grille air shutters, take pictures and submit through the Field Reporting Process.
This technical 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 on.
This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in...
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Three or Four Cylinder Mode.
This informational bulletin provides information for the dealer technician to gather as much information to help aid...
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Engineers by completely filling out requested reports.
This informational bulletin provides information on a normal engine operating condition for faster emission warm up...
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time.
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic...
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Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over-the-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process.
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 Preliminary Information communication provides information to the technician about vehicle that may have an OnStar...
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system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.
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Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact Partech and/or the Techline Customer Support Center for additional support.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician about vehicle that may have a Service...
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Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door...
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trim panel for product issues covered under warranty.
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of...
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A/C Not Cool Due to No Pressure Build.
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by...
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General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
This engineering informational bulletin is requesting information to check the shutters through the grille opening of the vehicle.
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If snow and/or ice is present on the active grille air shutters, take pictures and submit through the Field Reporting Process.
This engineering informational bulletin is requesting information on product issue with the door weather strip, door...
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body fit, and/or rear tail lamp moisture.
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 Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or...
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transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple...
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repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
This 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 run hot and or has a tick noise.
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Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a...
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vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
This Preliminary information communicatesP0016 setting after internal engire repair.
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The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle.
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a...
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Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service information diagnostics have been completed and there is still no trouble found, the technician is to inspect for a possible terminal tension concern on the ignition coil power feed for the cause of the rough running engine and or the P0300. For the Service Engine Soon light or traction control lamp concern check the X2 connector of the under hood fuse block for poor pin retention.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Preliminary Information communication provides information to the technician that General Motors Technical...
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Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
This Preliminary Information communication provides information to the technician about engine block of possible...
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cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
18169 - Service Update.- Certain vehicles equipped with a 10-speed automatic transmission (RPO MF6), and a 6.2L engine...
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(RPO L86) may experience a 2 to 3 second delayed engagement when shifting between park, reverse, or drive (performing garage shifts). Customers may also experience a hard shift, with a possible bang or clunk. If the vehicle is on an incline the customer may experience a short roll back due to the hesitation. Dealers are to reprogram the transmission control module (TCM) with an updated calibration.
This Preliminary Information communication provides information to the technician about vehicles that have the oil...
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pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6.2L (L86) engines are equipped with a two stage oil pump. Dealer should advise the customer this is normal operation for these engines.
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air.
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Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
This Preliminary Information communication provides information to the technician about vehicles that have 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 Preliminary information communicates.
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A vehicle may have a concern ofDTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module...
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when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.
This Preliminary information communicates.
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A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
18169 - Service Update.- Certain vehicles equipped with a 10-speed automatic transmission (RPO MF6), and a 6.2L engine...
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(RPO L86) may experience a 2 to 3 second delayed engagement when shifting between park, reverse, or drive (performing garage shifts). Customers may also experience a hard shift, with a possible bang or clunk. If the vehicle is on an incline the customer may experience a short roll back due to the hesitation. Dealers are to reprogram the transmission control module (TCM) with an updated calibration.
This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with 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. Cause: Coolant getting into the cylinders, and provides direction for the repair.
This Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge.
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Engineering is currently investigating this issue.
This informational bulletin provides information on OnStar VCIM is currently restricted parts.
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By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understanding of any field concerns that may develop.
This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine...
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Damage.
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged...
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Turbochargers Returned to Warranty Part Center.
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by...
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General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
This technical 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 on.
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 repair information for repairing the IP to body harness connector to correct a customer...
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concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine...
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drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle...
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engine oil consumption.
This Preliminary Information communication provides information to the technician about engine block of possible...
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cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
This Preliminary Information communication provides information to the technician about vehicle that may have a Service...
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Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
The PI was created to advise of an engineering investigation for a concern of unable to connect toOnStar Virtual Advisor...
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when selecting "New Destination" in the OnStar menu.
This Preliminary Information communication provides information to the technician about customers that may complain of...
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various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise.
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Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains...
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how toptier fuels should be used to reduce carbon build up.
This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and...
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Recommendations.
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk...
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on engine surfaces.
This informational bulletin provides information for engine oil life monitor operation calculation.
This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle...
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Identification.
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by...
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General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Coverage). For vehicles within this warranty period, defective tires will be replaced on a pro rata adjustment basis according to the published distance-based schedule.
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S.
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and Canada
This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring...
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harness if water and/or corrosion is found in the connectors.
This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine...
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replacement.
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly...
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replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
This Preliminary Information communication provides information to the technician about vehicles with the Service Engine...
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Soon Malfunction Indicator Lamp on. Technician should follow published Service Information diagnostics that will lead to an oil pump replacement. Technician should replace the oil pump. If debris is found, the main and rod bearings should be inspected before engine replacement is considered.
This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with 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. Cause Coolant getting into the cylinders, and provides direction for the repair.
This Preliminary Information communication provides information to the technician on the steps need to diagnose and...
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repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015–0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that “mating” surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped
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.
Pre-Delivery & Maintenance
180 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 on proper use of floor mats.
This service bulletin provides information to the customer about the rear camera guidelines not being present at times...
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due to the VBM taking over the rear camera option.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
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shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This service bulletin describes the U.S.
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Dealer Special Tool Loan Program process.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes...
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E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
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repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling,...
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Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle...
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services and maintenance on vehicles originating/sold in Canada.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
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the warranty transaction submission procedures that support the Personal Property Damage process.
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles...
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before being sold (prepping) to the customer.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information on proper use of floor mats.
This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME)...
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FAQs.
This service bulletin provides technicians with information to help identify the differences between what is considered...
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a fluid leak, and what is considered fluid seepage.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
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Assistance Center (TAC).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be...
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shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
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E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate...
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Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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Only).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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and Canada Dealers Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
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warped or misshapen.
This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME)...
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FAQs.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin describes the U.S.
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Dealer Special Tool Loan Program process.
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical...
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Assistance Center (TAC).
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This service bulletin provides information on proper use of floor mats.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before being sold (prepping) to the customer.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This service bulletin provides information to the customer about the rear camera guidelines not being present at times...
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due to the VBM taking over the rear camera option.
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted...
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to GM for payment.
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and...
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the warranty transaction submission procedures that support the Personal Property Damage process.
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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Only).
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399,...
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E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S.
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and Canada.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to...
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submit a Pre-Repair Authorization (PRA).
This bulletin provides information on Warranty Administration Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
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warped or misshapen.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program Information.
This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
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Technical Assistance (TAC).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before being sold (prepping) to the customer.
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S.
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Dealers Only).
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with...
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independent causes (GM Canada Dealers Only).
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part...
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replacements.
This service bulletin provides service information on new torque specification and installation procedure for ACDelco...
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Spin-On Oil Filters.
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate...
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Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front...
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grille or radiator area.
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal...
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operation.
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada...
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Only).
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance...
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programs.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under...
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the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ (U.S. Only).
This warranty administration bulletin provides policy information, proper labor operation selection and causal part...
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identification for warranty transactions (U.S. Only).
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before sold (prepping) to the customer.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats...
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warped or misshapen.
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
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Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA).
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S.
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Only).
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated...
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(CCND) Labor Operation Numbers.
This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and...
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PF48.
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the...
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information found in the service manual.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA) (US dealers only).
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program Information.
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the...
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information found in the service manual.
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center...
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(WPC) Parts Return Program Information.
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S.
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Only).
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the...
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information found in the service manual.
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...
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(WPC) Parts Return Program Information.
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated...
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(CCND) Labor Operation Numbers.
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S.
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Only).
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S.
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Only).
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle...
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services and maintenance on vehicles originating/sold in Canada.
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer...
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repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA) (US dealers only).
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles...
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that may not pass California smog inspection or smog inspection in other states.
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398,...
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E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a...
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Pre-Repair Authorization (PRA) (US dealers only).
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the...
Read full bulletin
information found in the service manual.
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).
This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle...
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services and maintenance on vehicles originating/sold in Canada.
This informational bulletin provides information for dealers/technicians on Rear Compartment Floor Stowage Compartment...
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Cover Handle Availability as Service Part.
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer...
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Enthusiasm.
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before sold (prepping) to the customer.
This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014.
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the...
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vehicles before sold (prepping) to the customer.
This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND).
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This warranty administration bulletin provides policy information on required operating procedures.
This informational bulletin provides information for the service parts identification (SPID) label replacement.
This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S.
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and Canada dealers only.
This warranty administration bulletin provide policy information on required operating procedures.
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is...
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considered warranty and non-warranty.
This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
This informational bulletin provides information retaining to the fact that Service Manuals will now be available on...
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USB.
This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance...
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programs.
This warranty administration bulletin provide policy information on required operating procedures.
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This warranty administration bulletin provides policy information with the field action courtesy transportation policy.
This warranty administration bulletin provide policy information on required operating procedures.
This bulletin provides information on approved warranty part numbers for original equipment batteries.
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer...
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Enthusiasm.
This informational bulletin provides information on approved warranty part numbers for original equipment batteries
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential...
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tools that include consumable parts (U.S. Only).
This warranty administration bulletin provide policy information on required operating procedures.
Other
114 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 preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini...
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50 terminal test probe, replacement terminals, and terminated leads.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling...
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system and replace the parts that may be contaminated due to oil in system.
This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
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 informational bulletin provides information to the customer about the rear camera guidelines not being present at...
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times due to the VBM taking over the rear camera option.
Information.
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 informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud...
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wear through, hole in second row (Intermediate) carpet.
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.
Essential Tools that Include Consumable Parts (U.S.
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Only)
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify...
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the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component
IPC Odometer Programming Method Quick Reference Guide
All or Some Options May Be Missing from Driver Information Center (DIC) Info Pages Menu Due to Them Not Being Selected ...
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Condition Some customers may comment that with the Info option selected from the main menu (1), the Info Pages are blank (2) when scrolling up and down. If information is present when scrolling up and down, they may also comment that certain items are missing when compared to other like vehicles Cause This condition may be caused when all/some of the options not being selected in the active info pages menu. Correction If this concern is encountered, determine if all/any of the selections in the active info pages menu are not selected. To do this, follow the steps listed below.
This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes...
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do not return.
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.
The intent of this technical 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 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 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 provides a repair to correct a condition of Shudder/Surging While Driving.
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change.
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Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This technical bulletin 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 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 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 technical bulletin provides a procedure to add washers on the lower column mounting bracket locations due to the...
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shaft laying on the metal support at the bottom of the column.
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 Mandatory VECI Label Replacement for (5W7)...
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Performance Air Intake Kits.
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when...
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working on a LIN bus.
This Preliminary information communicatesdirection and examples when diagnosing multiple DTCs, one of which includes...
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U**** Byte 71 DTC.
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This informational bulletin provides information for dealers/technicians and customers on possible carpet color...
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mismatch.
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 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 dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
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Technical Assistance (TAC).
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change.
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Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
This technical bulletin provides repair information to correct a customer concern of forward collision/active safety...
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system inoperative, no messages or alerts. Technician may find DTC?s B390A?45, B390A?58 and/or DTC?B390A?67 are set.
This informational bulletin provides information on proper use of floor mats.
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or...
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click type noise while driving.
This informational bulletin provides information and operating tips for the hands free lift gate.
This informational bulletin explains the importance of maintaining the vehicle.
This informational bulletin provides information on proper use of floor mats.
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
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 the dealership with how to prep a vehicle for delivery to the customer to aid in...
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higher CSi scores.
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product...
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Allegation Resolution (PAR) claim.
This informational bulletin provides the dealer with information on what to do when requesting a new key code for the...
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customer.
This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing...
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each scenario and documenting findings.
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 on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S.
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Technical Assistance (TAC).
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or...
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click type noise while driving.
This informational bulletin provides information and operating tips for the hands free lift gate.
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 comebacks prevention information and using customer concern...
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verification sheets (CCVS).
This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles.
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A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
This Preliminary information communicates
This Preliminary Information communication provides information to the technician about connectivity concerns when...
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connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for...
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causing multiple customer concerns that do not have other diagnostic methods to identify them.
This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing...
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each scenario and documenting findings.
This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle.
This informational bulletin provides information to dealership personnel on enhancing field product reports with digital...
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pictures.
This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the...
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part numbers for the labels.
This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or...
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pixelated
This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed...
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to complete some repairs.
This bulletin describes the Dealer special tool loan program process.
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered...
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normal operations.
This preliminary informational bulletin provides technicians with information on the normal condition of white, milky or...
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cloudy appearance of front differential fluid.
This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
This informational bulletin provides information and operating tips for the hands free lift gate.
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in...
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higher CSi scores.
This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance...
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Claim (PAC) within the Courtesy Transportation Assistance Program.
This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known...
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as a Product Allegation Resolution (PAR) claim.
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in...
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higher CSi scores.
This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in...
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vehicles.
This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended...
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Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.
This informational bulletin provides information for the IPC odometer programming method quick reference guide.
This informational bulletin provides information to the customer about the rear camera guidelines not being present at...
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times due to the VBM taking over the rear camera option.
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change.
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Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing...
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issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components.
This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity.
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Technician should check the Regular Production Option Code list for (VV4).
This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key...
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Fob or OnStar Mobile Application and where to locate the information for future use.
This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers...
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memory position.
Electrical
76 bulletinsThis 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 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 warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This Preliminary information communicates a GM part number forreflective high temperature heat or insulating tape when...
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repairing wiring harnesses.
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 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 warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and...
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warranty replacements.
This Preliminary information communicates 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 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 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 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 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 that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct...
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battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access to the battery specification label, which contains the OEM part number and CCA rating and type, may be difficult without component removal. Refer to the table below for the original equipment ratings and part numbers used to set up a proper battery test. There has been some confusion as to the correct ACDelco battery warranty replacement. Refer to the table below for the correct battery warranty replacement. The correct ACDelco battery warranty replacement in the catalog is designated by the "Original Equipment Replacement" note in the description field.
Information for Fleet Vehicles Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple...
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keys, fobs, and key tags together on a single crimped loop or a cable. This practice may result in unintended key rotation, and should be discontinued immediately. The information in this bulletin details the proper configurations for the ignition key, fob, key rings and key tags and applying a QR code sticker or barcode sticker to a key fob.
Information for Fleet Vehicles Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple...
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keys, fobs, and key tags together on a single crimped loop or a cable. This practice may result in unintended key rotation, and should be discontinued immediately. The information in this bulletin details the proper configurations for the ignition key, fob, key rings and key tags and applying a QR code sticker or barcode sticker to a key fob.
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 bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center...
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(DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
This 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 bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center...
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(DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This Preliminary information communicates 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 to check and tighten the B+ at the starter for proper torque.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This technical bulletin provides repair information to correct a customer concern of Action Required Steering Assist is...
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Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This 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 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 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.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory...
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position reverse tilt position is inoperative.
This warranty admin bulletin explains to the technician additional information may be needed when submitting...
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transactions when doing wiring repairs.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center...
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(DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.
This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive...
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finish".
This Bulletin provides ECM reprogramming information to Correct DTC P2101.
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC)...
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and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.
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.
This warranty admin bulletin explains to the technician additional information may be needed when submitting...
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transactions when doing wiring repairs.
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 the Media Oriented Systems...
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Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for verifying Media Oriented Systems Transport control circuit voltages. Technician should review Media Oriented Systems Transport bus description and operation and Diagnostic Trouble Code U0028 diagnostic procedures.
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance...
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that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced.
This Preliminary Information communication provides information to the technician on how to tell the difference between...
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the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. There are pictures of all the individual modules for identification purposes.
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the...
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concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating. Once the display starts to update it may take several more minutes of driving above 20 mph for the display to fully update. Also if the vehicle is shut off for more than 8 hours the display will update when the ignition is turned on.
This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio...
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with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ECU are not the cause.
This technical bulletin provides a procedure to perform diagnosis before just replacing the battery sensor module.
This technical bulletin provides a procedure to reposition the instrument panels wiring harness and trim floor liners if...
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not fitting properly after the harnesses have been repositioned.
This informational bulletin explains to the technician to charge the battery if the vehicle battery is discharged during...
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transport.
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna...
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malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible battery drain concern.
This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
This informational bulletin provides information on On rare occasions, a security code input message with SPS error code...
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E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern is encountered, the technician should start by ensuring that the module being programmed is not a used module and that the VIN matches on VIN plate, TIS2web programming screen, and GDS2 module identification information screen.
This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and...
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reprogram modules.
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS)...
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Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of...
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Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED,...
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No WiFi Operation, and/or Limited OnStar Module Functionality After OnStar Module Replacement for Another Condition.
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna...
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malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible battery drain concern.
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty...
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replacements.
This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of...
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Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.
This Bulletin provides ECM reprogramming information to Correct DTC P2101.
The information in this bulletin details the proper configurations for the ignition key, fob, key tags, key rings, key...
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ring sizes and applying a QR code sticker or barcode sticker to a key fob.
This Preliminary Information communication provides information to the technician about vehicles that have an...
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intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up.
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Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics.
This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to...
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reprogram modules that have been already reprogrammed.
This Preliminary information communicates a power steering control module calibration error that does not allow its...
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DTC's to transition to history and they always stay current, which can mislead a technician diagnosis. Dealers are to reprogram the power steering control module with updated calibration which will allow DTC's to transition to history if the issue that caused the DTC(s) are now longer present.
Transmission
60 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 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 Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating.
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The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while cruising at highway speeds and then an aggressive increase in throttle.This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
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 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 warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow...
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test.
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 torque converter and inspect the front pump and the TEHCM...
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for metal.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM...
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for metal.
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM...
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for metal.
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2...
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software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
This service bulletin provides 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.
Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC)...
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guidelines are temporarily not available at times but the RVC will remain on during the concern. Additionally, no related DTCs will be found if this bulletin applies. One example of when this concern may be observed is if a customer quickly starts the car and immediately places the shifter in Reverse while the infotainment system is still in the initial boot up process. Cause This is a result of the RVC image being provided via an alternate robust RVC feed from the Video Bypass Module (NGI systems) or from the radio (BYOM2 and Info 3.0 systems). This alternate robust RVC feed is provided in the event that the primary RVC feed is not available for any reason just to ensure that the RVC image is always present when in reverse. Correction If this concern is experienced and no related codes are present, DO NOT replace any parts as it is normal for the RVC guidelines not to be present when the RVC image being displayed is from the alternate robust RVC feed. If this occurs after quickly starting the vehicle and immediately placing the shifter in Drive, the RVC guidelines can be displayed again in most cases if they are really needed by safely coming to a stop, placing the transmission in Park for a moment, and then shifting to Reverse again.
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM...
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for metal.
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 torque converter and inspect the front pump and the TEHCM...
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for metal.
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 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 technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM...
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for metal.
This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium...
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strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line retaining bolt passage.
Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM...
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for metal.
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2...
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software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
This 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 Preliminary information communicates to the dealer technician that the torque converters for the 10L80 and 10L90 10...
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speed transmission are on restriction through the ProductQuality Center. Dealers are advised to contactthe ProductQuality Center if diagnostics has lead to replacement of the transmission torque converter.
This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a...
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customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This informational bulletin provides normal operating characteristics and diagnostic information on Manual...
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transmissions.
This technical bulletin provides a procedure to adjust the shifter cable if found the cause of the customers concern.
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow...
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test.
N182190820 - Customer Satisfaction Program.
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Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Power steering assist may be reduced or lost intermittently, if early warning signs are ignored. Early warnings may include a ?Steering Assist is Reduced? message, audible clicking / squealing sounds, or a change in steering effort. Dealers will replace the steering gear assembly.
This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or...
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shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state.
This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow...
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test.
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 warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow...
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test.
This informational bulletin provides information for new software for the TCM to correct a delayed engagement when...
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performing the garage shift.
This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium...
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strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line retaining bolt passage.
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
This informational bulletin provides information for new software for the TCM to correct a delayed engagement when...
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performing the garage shift.
Body & Paint
56 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 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 Preliminary Information communication advises the technician the steps on diagnosing the concern.
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Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
This 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 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 technical bulletin provides a procedure to pry the upper and lower quarter rear trim panel sheet metal apart to...
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eliminate a creak noise heard from the quarter lower rear trim panel area.
This Preliminary Information communication advises the technician the steps on diagnosing the concern.
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Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a...
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MIL and DTCs P0420 and P0430 setting.
This informational bulletin provides information for replacing the power liftgate assist actuator.
This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key...
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fob range.
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 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 Preliminary Information communication advises the technician the steps on diagnosing the concern.
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Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
Thins informational bulletin provides information on Paint-less Dent Repair Process.
This information bulletin provides a procedure on how to remove the paint stain that may present itself under the...
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shipping film.
This technical bulletin provides a procedure to reprogram the instrument panel to correct a condition of Instrument...
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Cluster Goes Blank or Tell Tale Indicators Remain On due to a software issue.
This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving...
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Speeds
This informational bulletin provides information for assisting the customer in setting the position for the memory...
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mirror and the reverse tilt
This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of...
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Chromed Aluminum Wheels.
This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal...
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characteristic.
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 information to dealership personnel which may be helpful when...
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addressing underbody component corrosion with customers.
This preliminary informational bulletin adds the 2016 model year and provides technicians with repair information to...
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correct a customer concern of rough, uneven or irregular horizontal seam on liftgate.
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.
Fuel System
33 bulletinsThis 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 Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles...
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that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles...
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that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
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 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 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 Preliminary information communicates theuse of Winter grade fuel during the warm months of 2020 and the potential...
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rivabilityissues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use. Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement. This will extend the use of winter fuel into the summer months. The drivability concernsshould not be single events but should be multiple occurrences associated with hot days.
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 Preliminary information communicates theuse of Winter grade fuel during the warm months of 2020 and the potential...
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rivabilityissues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use. Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement. This will extend the use of winter fuel into the summer months. The drivability concernsshould not be single events but should be multiple occurrences associated with hot days.
This technical bulletin provides a procedure to replace both fuel feed lines for a leak and/or noise coming from pulses...
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in the fuel line.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...
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the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended...
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cranking condition.
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel...
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Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
This bulletin provides 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 preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks...
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using the evaporative emission cart smoke machine and ultrasonic leak detectortools.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles...
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that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure...
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the line is reinstalled correctly to avoid a no/low fuel pressure situation.
This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if...
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debris have entered the exhaust system.
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER...
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Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles.
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended...
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cranking condition.
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles...
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that may have rattle or ticking noise that is louder inside the vehicle than outside. The noise may also sound like a lifter tick. If the noise is heard best at the fuel line and the sound will be real loud with a stethoscope. The fuel line will need to be replaced.
Lighting
28 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 Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities.
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This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
This 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.
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.
This informational bulletin was created to inform that any accessories that are installed from the GM factory will be...
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covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).
This Preliminary Information communication provides information to the technician about vehicles that may have a clock...
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that is slow to update while driving when the clock auto set feature enabled. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicle's odometer appears...
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to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
Brakes
26 bulletinsThis 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 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 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 service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and...
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strut due to fluid leak.
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise...
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from brakes, uneven front brake pad wear.
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 technical bulletin provides a procedure to add PET tape to the brake cables if the cause of the customers concern.
This technical bulletin provides a procedure to add PET tape to the brake cables if the cause of the customers concern.
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.
This technical bulletin provides a procedure to add PET tape to the brake cables if the cause of the customers concern.
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise...
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from brakes, uneven front brake pad wear.
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise...
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from brakes, uneven front brake pad wear.
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk...
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on gasket sealing surfaces or reused parts.
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 the...
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Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red...
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brake light intermittently comes on.
This technical bulletin provides a procedure to replace the rear brake rotors to correct a condition of Squeak/Squeal...
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Type Noise Heard at Low Speeds During Brake Apply due to moisture build up on the rotors.
This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
Infotainment
23 bulletinsThis 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 Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a...
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vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a message "Remote Learn Pending" will be displayed on the Driver Information Center. In the past to perform the new transmitter procedure only one previously learned transmitter was required but this is no longer the case. Now, two previously learned transmitters are required to be placed into the cup holder and then the new transmitter to be programmed placed in the transmitter pocket. If this new procedure is not followed, the "adding transmitters without Service Programming System" cannot be performed. The technician will be forced to add a transmitter using Service Programming System.
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 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.
This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a...
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vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and a message "Remote Learn Pending" will be displayed on the Driver Information Center. In the past to perform the new transmitter procedure only one previously learned transmitter was required but this is no longer the case. Now, two previously learned transmitters are required to be placed into the cup holder and then the new transmitter to be programmed placed in the transmitter pocket. If this new procedure is not followed, the "adding transmitters without Service Programming System" cannot be performed. The technician will be forced to add a transmitter using Service Programming System.
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.
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 communication provides information to the technician about vehicles that may have an issue...
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when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
This informational bulletin provides information on new software to correct the rear camera display being to bright.
This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or...
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Apple CarPlay.
This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not...
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function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis.
This informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack...
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for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered.
This Technical bulletin provides information on new software to correct the rear camera display being too bright.
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a...
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condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that experience normal audio. This could be due to interference from transmitting sources outside of Sirius XM?s frequency range.
This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a...
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normal characteristic.
This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes)...
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depending on location of the vehicle.
This Technical bulletin provides information on new software to correct the rear camera display being too bright.
This informational bulletin provides information to the customer on the radio display "info pages" being blank and to...
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make sure to select in the "active info pages" menu.
This informational bulletin provides information to the customer on the radio display "info pages" being blank and to...
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make sure to select in the "active info pages" menu.
Tires & Wheels
20 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 dealers/technicians on Tire Radial Force Variation (RFV).
This informational bulletin provides information for 22" accessory wheel/tire usages.
This informational bulletin explains the wheel Road Force balancers and what they can do for customer concerns.
This technical bulletin provides a procedure on how to correct tire pressure messages and dashes.
This informational bulletin provides information for 22" accessory wheel/tire usages.
This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will...
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replace it via the website provided.
HVAC & Climate
14 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 replace the dehydrator to correct the condition of A/C Inoperative...
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and/or Insufficient Cooling due to the seals going bad within the part.
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 replace the dehydrator to correct the condition of A/C Inoperative...
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and/or Insufficient Cooling due to the seals going bad within the part.
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 informational bulletin provides information for information on passenger presence sensing system (PPS or PSS)...
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concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices.
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 informational bulletin provides information to diagnose batteries that have set for a long period of time and/or...
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cold weather climates and testing those batteries.
This technical bulletin provides a procedure to install an A.C line support bracket to help reduce the resonance it...
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produces from the A/C compressor at low speeds.
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or...
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cold weather climates and testing those batteries.
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.
Suspension
5 bulletinsThis service bulletin advises the tech to only replace the shock that is bad and not all shocks.
This informational bulletin advises the tech to only replace the shock that is bad and not all.
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 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 technical bulletin provides repair information for installing a new stabilizer shaft bracket to correct a customer...
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concern of on a clunking noise originating from the front of the vehicle that is more predominant during turns or traveling over bumps.
Software & Calibration
5 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.
This informational bulletin provides technicians with updated information to help identify the differences between what...
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is considered a fluid leak, and what is considered seepage.
Air Bags & Safety
4 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.
Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced,...
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may not have had the adjuster stops transferred and are missing on the replacement part. The front passenger seat may be in a position beyond the occupant design travel range.Dealers are to inspect the front passenger seat tracks for the presence of both adjuster stops and install missing adjuster stops if necessary.
Hybrid & EV
4 bulletinsThis 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 Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if...
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vehicles apply within the settings.
Steering
1 bulletinThis preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid...
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reservoir.