2020 GMC Sierra 2500
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2020 Sierra 2500 are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #03-00-91-001I
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #15-00-89-004F
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #PIT5544G
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #PI0281J
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #13-02-32-001G
This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures. Read More »
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TSB #PIT5544F
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #15-00-89-004E
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #16-NA-109
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
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TSB #PIT5809C
This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft. Read More »
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TSB #PIT5544E
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #PIT5809A
This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft. Read More »
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TSB #PIT5818
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »
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TSB #16NA109
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
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TSB #PIT5544D
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #19NA240
This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph. Read More »
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TSB #20NA192
This technical bulletin provides a procedure to try multiple different adjustments based on the condition of Steering Dither/Shake or Quick Steering Wheel Oscillation at Speeds of 80-129?km/h (50-80?mph). Read More »
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TSB #20NA021
This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering Column Lock" message displayed with U0155 Set. Read More »
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TSB #N202294740 01
Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules. Read More »
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TSB #20NA006
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »
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TSB #20NA021
This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering Column Lock" message displayed with U0155 Set. Read More »
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TSB #20NA006
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »
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TSB #N192279900
N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Read More »
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TSB #19NA240
This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph. Read More »
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TSB #PIT5544C
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #16NA109
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
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TSB #130232001F
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures. Read More »
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TSB #20-NA-022
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts). Read More »
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TSB #PIT5214F
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »
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TSB #03-00-91-001I
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
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TSB #15-00-89-004F
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #PI0281J
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #21-NA-138
This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs. Read More »
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TSB #21-NA-138
This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs. Read More »
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TSB #15-00-89-004E
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #20-NA-022
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts). Read More »
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TSB #20NA078
This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »
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TSB #PIT5403H
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
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TSB #050308002I
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »
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TSB #PIE0573A
This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion ... Read More »
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TSB #PIE0573
This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion ... Read More »
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TSB #N202294960
Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. Read More »
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TSB #PIT5403F
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
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TSB #150089004C
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #150089004C
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #PIT6137
This Preliminary information communicates an issue with clearing DTC: C15DD and how to rest the average release time to clear DTC. Read More »
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TSB #PIP5596A
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
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TSB #PIT5479F
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
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TSB #22-NA-092
This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. Read More »
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TSB #23-NA-144
This technical bulletin provides information and a solution to a condition of Brake Pedal Moves or Self Applies at Full Turns. Read More »
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TSB #PIT3665L
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #18NA067
This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. Read More »
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TSB #21NA275
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing ?D? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 ... Read More »
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TSB #070316004D
This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #20NA020
This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »
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TSB #PIE0593A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on ... Read More »
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TSB #PIE0596
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the ABS or the traction control message illuminated in the Drivers Information ... Read More »
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TSB #PIT3665J
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »
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TSB #20NA020
This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »
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TSB #PIT5479C
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
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TSB #21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »
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TSB #22-NA-092
This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. Read More »
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TSB #22-NA-092
This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. Read More »
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TSB #15-00-89-004E
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #PIP4723F
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
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TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
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TSB #20NA020
This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »
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TSB #20NA020
This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »
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TSB #20NA020
This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »
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TSB #PIT5509F
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #PIP5834A
This Preliminary information communicates that the service 4wd message related to C119E can be diagnosed and repaired. Read More »
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TSB #21-NA-214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »
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TSB #20NA020
This technical bulleti provides a procedure to replace the front and rear brake pads if the brakes are squealing. Read More »
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TSB #PIT5569B
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. Read More »
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TSB #PIT5707
This Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed with C050A or C0504 DTC's set. Read More »
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TSB #PIT5662F
This Preliminary information communicates information to diagnose DTC C056D or C056E. Read More »
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TSB #19NA136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
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TSB #PIP5753
PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set. Read More »
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TSB #PIT5657B
This Preliminary information communicates how to repair a loose shift cable bracket. Read More »
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TSB #20-NA-207
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »
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TSB #PIP5628G
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
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TSB #PIP5711C
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #PIT5689E
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. Read More »
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TSB #PIT5448H
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
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TSB #16-NA-372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #12-00-89-003B
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »
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TSB #PIP5844
This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressure immediately following engine oil and filter change due to oil filter and main oil gallery being drained or empty. Read More »
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TSB #PIP5838A
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #18NA073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
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TSB #PIP5632F
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #PIT5448G
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
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TSB #PIP5794B
This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »
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TSB #PIP5806C
This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »
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TSB #PIP5806B
This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »
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TSB #18NA073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
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TSB #PIT5689D
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. Read More »
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TSB #PIE0642
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »
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TSB #PIE0602B
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »
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TSB #19NA044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
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TSB #000601026N
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
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TSB #PIP5752L
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #18NA073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
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TSB #PIE0590A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center ... Read More »
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TSB #PIE0602
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC ... Read More »
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TSB #060089031F
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »
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TSB #PIP5733F
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
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TSB #PIP5711A
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #19NA187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »
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TSB #16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #PIE0574A
This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »
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TSB #20NA176
This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern. Read More »
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TSB #PIP5733C
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
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TSB #PIP5733B
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
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TSB #16NA338
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
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TSB #PIP5684B
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
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TSB #PIE0574
This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »
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TSB #PIP5504F
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »
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TSB #PIP5733
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
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TSB #030601023D
This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »
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TSB #140604004G
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
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TSB #20NA096
This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update. Read More »
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TSB #20NA098
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »
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TSB #20NA082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
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TSB #20NA083
This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order. Read More »
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TSB #PIP5711
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #PIP5712
This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal. Read More »
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TSB #040601029J
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
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TSB #20NA038
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »
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TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
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TSB #PIP5656D
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »
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TSB #18NA073
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
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TSB #19NA212
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition. Read More »
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TSB #N192273400
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Read More »
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TSB #PIP5664
This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating. Read More »
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TSB #16NA376
This informational bulletin provides information on higher than expected oil consumption. Read More »
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TSB #17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
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TSB #18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »
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TSB #23-NA-032
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure. Read More »
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TSB #16-NA-383
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
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TSB #23-NA-170
This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure. Read More »
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TSB #23-NA-073
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister. Read More »
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TSB #24-NA-020
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. Read More »
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TSB #PIT5689F
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. Read More »
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TSB #22-NA-074
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »
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TSB #24-NA-020
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. Read More »
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TSB #16-NA-222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #16-NA-338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
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TSB #22-NA-112
This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3. Read More »
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TSB #23-NA-170
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. Read More »
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TSB #PI1394B
This PI bulletin advises the technician on the proper way to install the pistons in an engine. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #21-NA-135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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TSB #03-00-91-001I
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #01-06-01-011O
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #23-NA-170
This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. Read More »
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TSB #23-NA-073
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister. Read More »
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TSB #17-NA-157
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter. Read More »
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TSB #23-NA-150
This technical bulletin provides repair information to correct a customer concern of Teen Driver Feature Not Limiting Speed Correctly. Read More »
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TSB #23-NA-153
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. Read More »
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TSB #18-NA-073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
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TSB #21-NA-214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »
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TSB #16-NA-222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #23-NA-141
This informational bulletin advised the technician that the engine and related parts will be debited if found that the tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged ... Read More »
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TSB #15-00-89-004F
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #04-06-04-051H
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »
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TSB #16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #03-06-01-023G
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »
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TSB #20-NA-090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #09-06-04-026X
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #22-NA-080
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
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TSB #01-06-01-011N
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #23-NA-073
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister. Read More »
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TSB #17-NA-374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
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TSB #04-07-30-013E
This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #19-NA-219
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. Read More »
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TSB #19-NA-237
This service bulletin explains how to identify possible DEF system contamination. Read More »
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TSB #PI0281J
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #19-NA-219
This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue. Read More »
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TSB #20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #00-06-01-012M
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
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TSB #22-NA-009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »
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TSB #00-06-01-026Q
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
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TSB #16-NA-222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #18-NA-073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
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TSB #19-NA-237
This service bulletin explains how to identify possible DEF system contamination. Read More »
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TSB #16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #16-NA-372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #07-06-01-016I
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »
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TSB #16-NA-380
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #10-06-05-002L
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
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TSB #16-NA-376
This informational bulletin provides information on higher than expected oil consumption. Read More »
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TSB #18-NA-361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #23-NA-032
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #20-NA-203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #18-NA-073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
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TSB #21-NA-124
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
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TSB #16-NA-338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
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TSB #20-NA-138
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
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TSB #22-NA-216
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running ... Read More »
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TSB #22-NA-074
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »
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TSB #18-NA-361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #22-NA-218
This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer. Read More »
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TSB #22-NA-216
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running ... Read More »
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TSB #PIP5175E
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
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TSB #22-NA-201
This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM Update with DTCs Set. Read More »
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TSB #21-NA-006
This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »
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TSB #PIE0665C
This engineering information (EI) closure ends the need for further information from the field in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions Systema?? message on the Driver Information Center (DIC). Read More »
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TSB #03-06-04-017R
This service bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #05-06-04-022T
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
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TSB #15-00-89-004E
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #06-00-89-031H
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »
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TSB #07-06-01-016H
This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »
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TSB #09-06-04-026W
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #16-NA-380
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #18-NA-103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
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TSB #05-00-89-072F
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management. Read More »
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TSB #22-NA-009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »
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TSB #20-NA-203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #01-06-01-011M
This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #00-06-01-012L
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
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TSB #04-06-04-051G
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »
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TSB #10-06-05-002K
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
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TSB #19-NA-237
This informational bulletin explains how to identify possible DEF contamination. Read More »
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TSB #20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
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TSB #00-06-01-026P
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
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TSB #16-NA-222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #17-NA-374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
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TSB #18-NA-011
Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph. Read More »
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TSB #21-NA-113
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »
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TSB #20-NA-090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #18-NA-098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »
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TSB #18-NA-150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »
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TSB #19-NA-187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »
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TSB #16-NA-376
This informational bulletin provides information on higher than expected oil consumption. Read More »
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TSB #16-NA-372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #PIE0665B
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions Systema?? ... Read More »
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TSB #03-06-01-023F
This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »
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TSB #20-NA-065
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set. Read More »
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TSB #19-NA-044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #22-NA-080
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
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TSB #12-01-37-001F
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #22-NA-009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »
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TSB #21-NA-077
This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes. Read More »
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TSB #PIE0695A
This engineering information (EI) closure ends the need for further information from the field in regards Service Emission System and/or DEF Level Low message on driver information center (DIC). Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #22-NA-110
THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber. Read More »
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TSB #20-NA-218
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #14-06-04-004H
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
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TSB #PIE0695
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center ... Read More »
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TSB #03-06-01-023E
This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil. Read More »
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TSB #22-NA-080
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
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TSB #21-NA-214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, ... Read More »
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TSB #22-NA-074
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »
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TSB #22-NA-009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »
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TSB #PIP5844
This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressure immediately following engine oil and filter change due to oil filter and main oil gallery being drained or empty. Read More »
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TSB #PIP5838A
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #PIP5791A
This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root ... Read More »
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TSB #PIP5808A
This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM. Read More »
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TSB #21NA214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, ... Read More »
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TSB #PIT5479E
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
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TSB #19NA187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »
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TSB #18NA011
Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph. Read More »
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TSB #18NA098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »
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TSB #PIP5832
This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis. Read More »
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TSB #PIP5628E
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
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TSB #21NA265
This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact. Read More »
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TSB #19NA104
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
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TSB #21NA125
This service bulletin provides a procedure to correct a condition of a Service Emission System and/or Service Engine Soon Lamp Illuminated on Driver Information Center (DIC), DTC P208B Set. Read More »
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TSB #21NA113
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »
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TSB #20NA218
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #19NA044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
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TSB #PIP5791
This Preliminary information communicates to dealership technicians to perform a sweep of the coolant flow control valve and test the circuits before replacing the Engine Coolant Flow Control Valve, and to assist engineering in root ... Read More »
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TSB #21NA056
This technical bulletin provides a procedure to correct the condition of Information on Vehicles Engine Shuts Off After 30 or 60 Minutes of Idling. Read More »
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TSB #20NA082
This informational bulletin explains why more DEF is being used in diesel engines do to new emission standards. Read More »
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TSB #21NA002
This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »
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TSB #20NA218
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #010601011L
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #PIT5479D
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
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TSB #PIT5479D
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
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TSB #090604026S
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #19NA136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
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TSB #18NA098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »
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TSB #20NA213
This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »
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TSB #PIP5752F
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #PIP5752E
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #PIP5759
This Preliminary information communicates 6.2L engine restriction, Contact TAC Read More »
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TSB #PIP5752D
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »
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TSB #PIP5752C
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #PIP5752B
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #PIP5733E
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
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TSB #PIP5733D
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
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TSB #PIP5752A
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #PIP5751
This PI was created to gather data to root cause the P06DD and/or oil consumption Read More »
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TSB #PIP5498M
This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. Read More »
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TSB #PIE0574
This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »
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TSB #PIP4912G
This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. Read More »
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TSB #PIP5742
This Preliminary information communicates to the dealer technicians that a belt chirp or rubbing noise may be caused by the harmonic balancer out ring moving backward on the pulley and contacting the front cover. Read More »
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TSB #PIP5735
This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake. Read More »
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TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
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TSB #20NA090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #PIP5719B
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern. Read More »
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TSB #PIP5719A
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern. Read More »
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TSB #140604004F
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
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TSB #N192277930
N192277930 - Service Update - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles may, after several years of use, fracture at the yoke-to-tube friction weld joint under torsional load. Read More »
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TSB #N192267990
N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Read More »
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TSB #N192266750-01
N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »
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TSB #PIP5370E
This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid ... Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #010601011K
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #N192266751
N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »
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TSB #PIP5664C
This Preliminary information communicates to the dealer technician to refer to Service Update N192266750. Read More »
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TSB #N192266750
N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »
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TSB #16NA372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #PIP5656C
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »
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TSB #PIP5656B
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »
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TSB #PIT5448F
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
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TSB #PIP5656A
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance. Read More »
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TSB #19NA187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »
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TSB #090604026R
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #000601026M
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
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TSB #070601016F
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »
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TSB #PIP5656
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance. Read More »
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TSB #18NA098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »
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TSB #090604026S
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #21NA113
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »
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TSB #PIP5735A
This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake. Read More »
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TSB #20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
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TSB #N212354170-02
Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. Read More »
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TSB #N212342980-01
Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »
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TSB #20NA110
This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »
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TSB #20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #030604017O
This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #16NA372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #16NA376
This informational bulletin provides information on higher than expected oil consumption. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #PIP5748
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #N202300791
Service Update (population expanded). In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is ... Read More »
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TSB #17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
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TSB #N202300791
Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »
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TSB #N192286190
Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover. Read More »
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TSB #18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »
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TSB #010601011L
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #22NA009
This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »
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TSB #16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #PIP5628F
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
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TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
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TSB #21NA002
This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »
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TSB #20NA090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #20NA195
This technical bulletin provides a procedure to replace the NOx2 sensor if found the cause of the customers concern. Read More »
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TSB #20NA090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #21NA113
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »
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TSB #20NA218
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #20NA218
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #20NA218
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #22-NA-080
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
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TSB #PIP5840
This Preliminary information communicates to technicians to modify the camshaft housing cover insulator by removing the stand off identified in the attached pictures. Read More »
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TSB #PIP5712B
This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... Read More »
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TSB #PIP5712A
This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal. Read More »
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TSB #21NA237
THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »
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TSB #PIP5684B
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
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TSB #21NA237
THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »
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TSB #18NA103
This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »
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TSB #10-06-05-002M
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
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TSB #16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #16-NA-380
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #PIE0665A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions ... Read More »
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TSB #22-NA-110
THis informational bulletin advises the tech not to replace the exhaust system if they smell plastic or rubber. Read More »
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TSB #19NA237
This informational bulletin explains how to identify possible DEF contamination. Read More »
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TSB #20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #100605002I
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
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TSB #17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
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TSB #PIP5748
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #N202300791
Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »
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TSB #100605002H
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
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TSB #19-NA-044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
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TSB #20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
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TSB #PIE0642A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »
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TSB #21NA006
This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »
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TSB #21NA007
This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern. Read More »
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TSB #20NA142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #15NA010
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. Read More »
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TSB #PIP5503B
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. Read More »
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TSB #22NA025
This technical bulletin provides a procedure to check and repair the balancer if found contacting the front cover. Read More »
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TSB #16NA380
This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #16NA380
This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #16NA380
This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #PIP5596A
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
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TSB #19-NA-044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
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TSB #PIT5636D
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »
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TSB #04-06-04-051H
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »
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TSB #PIT5636C
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #PIT5161J
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
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TSB #05-06-04-022T
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
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TSB #05-00-89-072F
This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management. Read More »
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TSB #04-06-04-051G
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »
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TSB #19-NA-044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
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TSB #PIP5838B
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #PIP5851
This Preliminary information communicates to technicians a replacement DEF tank may have been assembled with the incorrect harness. Read More »
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TSB #21NA238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #PIP5838
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #18NA103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
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TSB #PIP4723F
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #030604017P
This service bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #16NA244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #16NA372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #050604022S
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
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TSB #20NA110
This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »
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TSB #21NA025
This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »
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TSB #21NA025
This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
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TSB #PIT5161H
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
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TSB #18NA103
This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #20NA110
This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »
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TSB #PIT5636A
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »
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TSB #PIP5695
This Preliminary information communicates to dealer technicians to check for open field actions or ECM updates for fuel gauge concerns or DTCs P24B0 or P0461. Read More »
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TSB #N192273400
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Read More »
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TSB #PIT5161G
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #18NA103
This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »
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TSB #PIT5161K
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
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TSB #21NA124
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
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TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
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TSB #04-06-04-051F
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »
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TSB #16NA383
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
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TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
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TSB #20NA098
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »
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TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #10-06-05-002M
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
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TSB #03-06-04-017T
This service bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #18-NA-103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
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TSB #16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #19-NA-237
This service bulletin explains how to identify possible DEF system contamination. Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #03-06-04-017S
This service bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #18-NA-361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #18-NA-361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #21-NA-006
This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »
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TSB #03-06-04-017R
This service bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #05-06-04-022T
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
-
TSB #16-NA-244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
-
TSB #16-NA-380
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
-
TSB #18-NA-103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
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TSB #03-06-04-017Q
This service bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #20-NA-203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
-
TSB #10-06-05-002K
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
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TSB #19-NA-237
This informational bulletin explains how to identify possible DEF contamination. Read More »
-
TSB #20-NA-082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
-
TSB #18-NA-361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
-
TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #PIP5838B
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #PIP5856
This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #PIE0695
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards Service Emission System and/or DEF Level Low message on driver information center ... Read More »
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TSB #PIP5838
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #N212342980-01
Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »
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TSB #N212342980
On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »
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TSB #030604017P
This service bulletin provides information on availability of Diesel Fuel additives. Read More »
-
TSB #16NA244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #16NA372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #050604022S
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #21NA002
This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »
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TSB #20NA110
This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »
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TSB #030604017O
This Informational Bulletin provides information on availability of Diesel Fuel additives. Read More »
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TSB #16NA244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
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TSB #19NA237
This informational bulletin explains how to identify possible DEF contamination. Read More »
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TSB #16NA372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #16NA376
This informational bulletin provides information on higher than expected oil consumption. Read More »
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TSB #050604022R
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #20NA110
This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »
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TSB #N202300791
Service Update (population expanded). In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is ... Read More »
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TSB #N202300791
Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. Read More »
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TSB #20NA038
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »
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TSB #19NA237
This informational bulletin explains how to identify possible DEF contamination. Read More »
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TSB #050604022Q
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
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TSB #17-NA-302
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area. Read More »
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TSB #20NA110
This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »
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TSB #20NA110
This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »
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TSB #150089004D
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #18NA150
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. Read More »
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TSB #PIE0574A
This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed. Read More »
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TSB #23-NA-170
This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure. Read More »
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TSB #21-NA-238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #16-NA-338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
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TSB #PIP5810B
This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »
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TSB #21-NA-238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #21-NA-120
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »
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TSB #PI1394B
This PI bulletin advises the technician on the proper way to install the pistons in an engine. Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #21-NA-238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #PIT6096
This Preliminary information communicates a diagnostic tip for the 110 /120 volt power outlets being inoperative and dealerships should try a battery disconnect to see if the concern goes away. Read More »
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TSB #03-00-91-001I
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
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TSB #PIP5949
This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor. Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #22-NA-225
This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »
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TSB #21-NA-275
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing a??Da?? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or ... Read More »
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TSB #21-NA-120
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »
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TSB #20-NA-142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #23-NA-153
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. Read More »
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TSB #PIP5621D
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
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TSB #22-NA-187
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »
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TSB #21-NA-214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »
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TSB #15-00-89-004F
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #20-NA-142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #17-NA-066
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »
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TSB #17-NA-066
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »
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TSB #PIP5926B
This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. Read More »
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TSB #04-07-30-013E
This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
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TSB #PIP5926
This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. Read More »
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TSB #08-07-30-026H
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
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TSB #PIT5544G
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #PIC5650K
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
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TSB #08-07-30-035G
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »
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TSB #PI0281J
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #22-NA-147
This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C15AC Set. Read More »
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TSB #22-NA-148
This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event. Read More »
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TSB #16-NA-130
This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »
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TSB #99-04-20-002N
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »
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TSB #PIP5901
This Preliminary information communicates that the tool for the HD transfer cases to measure clutch pack shim selection is in development. Read More »
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TSB #PIP5900
This Preliminary information communicates to the dealer a diagnostic and repair direction to a possible engine crankshaft bearing failure. Read More »
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TSB #22-NA-187
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »
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TSB #21-NA-238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #20-NA-142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #19-NA-136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
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TSB #16-NA-338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
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TSB #20-NA-142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #19-NA-136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
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TSB #20-NA-138
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
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TSB #21-NA-120
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »
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TSB #22-NA-225
This information advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF causing the customers concern. Read More »
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TSB #PIP5175E
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
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TSB #PIP5882
This Preliminary information communicates diagnostic aid to help isolate possible repeat thermal by-pass valve concern. Read More »
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TSB #22-NA-185
This informational bulletin explains how the trans slip or flare can be a normal condition. Read More »
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TSB #15-00-89-004E
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
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TSB #06-00-89-031H
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »
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TSB #PIP5621C
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
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TSB #PIP5640A
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »
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TSB #22-NA-181
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission. Read More »
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TSB #21-NA-275
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing a??Da?? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or ... Read More »
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TSB #21-NA-199
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »
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TSB #21-NA-199
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »
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TSB #20-NA-142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #PIE0665A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions ... Read More »
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TSB #20-NA-142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #21-NA-275
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing a??Da?? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or ... Read More »
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TSB #20-NA-050
This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving. Read More »
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TSB #PIP5794B
This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »
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TSB #21-NA-214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, ... Read More »
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TSB #20-NA-209
This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »
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TSB #20-NA-207
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »
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TSB #PIP5706A
This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Read More »
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TSB #21NA238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #21NA214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »
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TSB #21NA238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #PIP5806D
This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »
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TSB #PIC5650J
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
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TSB #080730035E
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »
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TSB #PIP5807
This Preliminary information communicates to the dealer technician that it is a normal characteristic for vehicles equipped with the 10L1000 transmission to start off in second gear in normal driving mode. Read More »
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TSB #21NA120
This technical bulletin provides the tech with a procedure to check if the transmission is the cause of the concern by checking the data. Read More »
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TSB #21NA120
This technical bulletin provides the tech with a procedure to check if the transmission is the cause of the concern by checking the data. Read More »
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TSB #21NA113
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »
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TSB #16NA338
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
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TSB #20NA218
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #PIP5794A
This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »
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TSB #PIP5712B
This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... Read More »
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TSB #PIP5794
This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. Read More »
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TSB #PIT5544D
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #PIP5770
This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »
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TSB #PIP5770
This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »
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TSB #16NA019
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
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TSB #16NA019
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
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TSB #PIE0583B
This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern ... Read More »
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TSB #19NA187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »
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TSB #PIE0583A
This engineering information (EI) is requesting information from technicians and to contact the engineers listed in regards to Transmission Performance Issues without a Current or History DTC and Unable to Duplicate the Customer Concern ... Read More »
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TSB #PIE0583
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to Early, Late, Harsh and/or Slip Type Transmission Performance. Read More »
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TSB #16NA019
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
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TSB #16NA338
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
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TSB #PIP5504F
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »
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TSB #PIP5504E
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »
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TSB #N192282860 01
Service Update (Population Expansion). Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module. Read More »
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TSB #N192282860 01
Service Update. Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module. Read More »
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TSB #N192282860
Service Update - Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module. Read More »
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TSB #PIP5727
This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise. If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the ... Read More »
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TSB #PIP5429A
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »
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TSB #20NA019
This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition. Read More »
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TSB #20NA019
This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition. Read More »
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TSB #PIP5706
This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Read More »
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TSB #PIP5504C
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »
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TSB #990420002K
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »
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TSB #PIP5655A
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »
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TSB #PIP5677
This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Read More »
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TSB #PIP5655
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »
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TSB #20NA078
This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »
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TSB #990420002L
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »
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TSB #PIP5810
This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »
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TSB #17-NA-066
This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. Read More »
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TSB #21NA214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »
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TSB #PIP5834
This Preliminary information communicates that the service 4wd message related to C119E is under investigation for a repair. Read More »
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TSB #21NA214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, ... Read More »
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TSB #990420002L
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »
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TSB #20NA142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #060089031F
This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »
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TSB #1308116001F
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
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TSB #PIP5655B
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »
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TSB #19NA216
This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern. Read More »
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TSB #080730026F
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
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TSB #PIP5621C
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
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TSB #N212354170-02
Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. Read More »
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TSB #19NA228
This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns. Read More »
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TSB #PIP5926A
This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. Read More »
-
TSB #150089004C
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
-
TSB #16-NA-130
This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »
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TSB #PIT5702C
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »
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TSB #20NA142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #PIP5810A
This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »
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TSB #19NA136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
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TSB #PIE0560A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC). Read More »
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TSB #19NA216
This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern. Read More »
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TSB #PIE0602C
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »
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TSB #23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »
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TSB #10-08-45-001H
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #24-NA-044
This technical bulletin provides repair information to correct a customer concern of U170 Radio Software Update. Read More »
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TSB #23-NA-170
This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure. Read More »
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TSB #PIT5689G
This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #24-NA-020
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #PIT5702E
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »
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TSB #23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »
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TSB #23-NA-189
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »
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TSB #22-NA-112
This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3. Read More »
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TSB #21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »
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TSB #PIT5743D
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »
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TSB #PI0592I
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #PIT5386J
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #21-NA-135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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TSB #23-NA-112
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #23-NA-189
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #PIT5636D
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »
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TSB #23-NA-065
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #PIT5698D
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »
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TSB #07-08-49-020R
This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »
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TSB #21-NA-166
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »
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TSB #23-NA-150
This technical bulletin provides repair information to correct a customer concern of Teen Driver Feature Not Limiting Speed Correctly. Read More »
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TSB #22-NA-187
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »
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TSB #23-NA-065
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »
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TSB #21-NA-214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. Read More »
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TSB #16-NA-222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #18-NA-103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
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TSB #20-NA-090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #09-06-04-026X
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #22-NA-183
This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds. Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #07-08-42-006S
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »
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TSB #23-NA-125
This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs. Read More »
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TSB #23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »
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TSB #23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »
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TSB #23-NA-112
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »
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TSB #13-08-116-001I
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
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TSB #21-NA-005
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »
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TSB #21-NA-061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »
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TSB #23-NA-062
This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »
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TSB #PIT5509K
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #PIT5509J
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #23-NA-053
This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »
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TSB #20-NA-198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #22-NA-172
This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »
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TSB #23-NA-027
This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL. Read More »
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TSB #23-NA-062
This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »
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TSB #22-NA-147
This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C15AC Set. Read More »
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TSB #22-NA-148
This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event. Read More »
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TSB #23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »
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TSB #23-NA-053
This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »
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TSB #PIT5636C
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #21-NA-061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »
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TSB #23-NA-044
This service bulletin provides information on AGM batteries that require less frequent charging in storage. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #PIP5711C
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #20-NA-203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #22-NA-187
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. Read More »
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TSB #PIT5386H
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #21-NA-135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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TSB #PIT5743C
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #22-NA-238
This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #22-NA-205
This service bulletin provides information on Module Harvesting. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #22-NA-201
This technical bulletin provides repair information to correct a customer concern of MIL L5P ECM/TCM Update with DTCs Set. Read More »
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TSB #21-NA-006
This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »
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TSB #PI0592G
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
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TSB #13-08-116-001H
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
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TSB #21-NA-068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
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TSB #21-NA-182
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »
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TSB #21-NA-027
This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose Within Rear Bumper. Read More »
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TSB #20-NA-198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #PIT5569B
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer other wise found by a possible faulty trailer connector. Read More »
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TSB #21-NA-077
This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes. Read More »
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TSB #PIE0665A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon (SES) Lamp illuminated and/or a??Service Emissions ... Read More »
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TSB #PIP5838B
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #22-NA-115
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. Read More »
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TSB #22-NA-109
This informational bulletin provides information on Information on Common Customer Trailer Side Faults. Read More »
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TSB #PIT5745D
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
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TSB #N212354170-02
Emission Recall - General Motors has decided to conduct a Voluntary Emissions Recall to improve the operation of the regeneration cycle on certain 2020 Chevrolet Silverado and GMC Sierra vehicles with a 6.6L diesel engine. Read More »
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TSB #21-NA-166
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »
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TSB #22-NA-068
This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs. Read More »
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TSB #PIP4670J
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
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TSB #20-NA-209
This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »
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TSB #PIP5838A
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #20-NA-105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #20-NA-207
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »
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TSB #PIT5750B
This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »
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TSB #PIC6450
This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. Read More »
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TSB #PIP5838
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #PIT5745C
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
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TSB #PIP5711B
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #N212342980
On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »
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TSB #PIT5386G
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #21NA113
This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Read More »
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TSB #PIT5697B
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »
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TSB #21NA265
This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #PIT5387K
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #PIP5806C
This preliminary information bulletin instructs to technicians to check the trigger wheel for interfering with the timing chain, and adding a shim to the camshaft position sensor. Read More »
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TSB #PIT5743A
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »
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TSB #PIT5509H
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #PIT5509H
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #21NA025
This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »
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TSB #21NA025
This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern. Read More »
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TSB #PIE0642
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »
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TSB #21NA124
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
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TSB #PIP5806
This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for a suspected bent target wheel on the camshaft. Read More »
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TSB #18NA279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #20NA218
This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #18NA361
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. Read More »
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TSB #PIE0602B
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »
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TSB #19NA044
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
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TSB #PIP5748F
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #070842006P
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »
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TSB #PIE0602B
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »
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TSB #PIT5745B
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
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TSB #21NA071
This technical bulletin provides repair information to correct a customer concern of DTC?s P05AE or P059F Set Current or History. Read More »
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TSB #PIT5639B
This Preliminary information communicates information to not make any repairs for momentary camera flicker when brake light, turn signal, or hazards are active with radio RPO IOR. Read More »
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TSB #20NA132
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »
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TSB #PIE0612A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Dead Battery and/or Shift to Park Lamp Illuminated On Driver Information ... Read More »
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TSB #20NA198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #030846004X
This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »
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TSB #21NA006
This bulletin provides a possible location of a bad connection at the reductant fluid tanks electrical connector. Read More »
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TSB #21NA007
This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern. Read More »
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TSB #PIE0607
This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, ... Read More »
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TSB #PIT5799A
This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. Read More »
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TSB #PIP5770
This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »
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TSB #PIP5770
This Preliminary information communicates to the dealer technician to reprogram the transmission control module after any 10L1000 transmission repair. Read More »
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TSB #PIT5386F
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #PIT5386F
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #PIE0584A
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
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TSB #PIE0604
GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers ... Read More »
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TSB #PIE0604
GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers ... Read More »
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TSB #20NA198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #PIP5711A
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #PIT5387H
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
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TSB #20NA209
This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »
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TSB #1308116001F
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
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TSB #PIE0594
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »
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TSB #PIP5748B
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #PIT5756
This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - ... Read More »
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TSB #20NA176
This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern. Read More »
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TSB #PIP5733A
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
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TSB #070842006O
This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »
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TSB #PIE0562A
This engineering information (EI) revision ends the need for information from the field regarding Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown. Read More »
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TSB #PIT5755
This Preliminary information communicates an issue with the Electronic Brake Control Module incorrectly mapping DTC U0126 as a U0131 and directs the dealership to follow the diagnostics for the U0126. Read More »
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TSB #PIT5756
This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - ... Read More »
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TSB #20NA132
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »
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TSB #PIT5509G
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #19NA228
This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns. Read More »
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TSB #PIP5728A
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »
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TSB #PIE0568B
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »
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TSB #PIP5729
This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »
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TSB #PIP5728
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »
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TSB #PIE0568
This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »
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TSB #PIE0568A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button ... Read More »
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TSB #PIP5429A
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »
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TSB #20NA090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #PIT5743
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses. Read More »
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TSB #PIT5195F
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
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TSB #20NA012
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »
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TSB #20NA087
This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio. Read More »
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TSB #20NA082
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards. Read More »
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TSB #20NA083
This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order. Read More »
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TSB #PIT5509F
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #20NA040
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »
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TSB #PIP5716
This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly. Read More »
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TSB #PIP5717
This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly. Read More »
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TSB #20NA067
This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate. Read More »
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TSB #PIP5711
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #HT-03.03.2020
Hypertech Inline Speedometer Calibrator Module Installation Instructions Read More »
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TSB #PIE0554
This engineering information (EI) is requesting information from the field to perform the check list provided and contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes ... Read More »
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TSB #DOR-D8C4T-03
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »
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TSB #N192278640
Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Disable Start/Stop (RPO L3B), and a 3. Read More »
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TSB #PIT5411R
This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »
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TSB #PIT5387G
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #PIT5636A
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »
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TSB #030846004W
This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only). Read More »
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TSB #PIT5702A
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »
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TSB #19NA228
This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns. Read More »
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TSB #PIP5664B
This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set. Read More »
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TSB #PIP4670H
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
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TSB #PIT5711
This Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected using the Driver Mode Control Switch. Read More »
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TSB #PIP5664
This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating. Read More »
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TSB #100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »
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TSB #060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
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TSB #PIT5962A
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
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TSB #17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
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TSB #PIE0590A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center ... Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #20NA132
This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »
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TSB #PIT5750A
This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »
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TSB #PIE0594A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »
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TSB #PIP5838B
This Preliminary information communicates to the dealership technician a change made to the wire harness and reductant control module for the Diesel Exhaust Fluid tank connector. Read More »
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TSB #PIT5828C
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
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TSB #PIT3665M
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »
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TSB #PIT5828A
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
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TSB #PIE0593A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on ... Read More »
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TSB #22-NA-109
This informational bulletin provides information on Information on Common Customer Trailer Side Faults. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #070842006Q
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »
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TSB #PIC5650K
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
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TSB #21NA061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). Read More »
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TSB #PIE0642A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »
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TSB #PIT5387J
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #060089029T
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
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TSB #060089029S
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
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TSB #N192266750-01
N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »
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TSB #N192266751
N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1. Read More »
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TSB #07-08-49-020R
This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »
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TSB #PIT5195G
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
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TSB #21NA247
This technical bulletin provides a procedure This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #PIT5954C
This Preliminary information communicates a Radio software update resolution for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »
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TSB #PIP5632G
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #PIP4902Q
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #N212342980-01
Service Update. On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Read More »
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TSB #21NA145
This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. Read More »
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TSB #21NA012
This technical bulletin provides repair information to correct a customer concern of Clean Exhaust Filter, Perform Manual Regen, and Loss of Digital Speedometer DIC Displays. Read More »
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TSB #20NA199
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »
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TSB #20NA199
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »
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TSB #16NA019
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
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TSB #20NA199
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »
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TSB #20NA199
This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »
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TSB #N202294740 01
Service Update - Certain vehicles may require individual software updates to multiple modules to address various minor issues such as steering feel and data communication. Dealers are to reprogram multiple modules. Read More »
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TSB #20NA012
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »
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TSB #PIP5728B
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Read More »
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TSB #19NA269
This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »
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TSB #20NA096
This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update. Read More »
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TSB #20NA012
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »
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TSB #PIP5690A
This Preliminary information communicates to dealer technicians there is a software anomaly not allowing the air filter life to be reset. Read More »
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TSB #N192279900
N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Read More »
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TSB #20NA105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #PIT5744D
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIP5810
This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development. Read More »
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TSB #PIT5744D
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIT5698B
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »
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TSB #PIT5744D
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIT5744D
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIT5836
This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and ... Read More »
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TSB #22NA012
This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors. Read More »
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TSB #PIT5662F
This Preliminary information communicates information to diagnose DTC C056D or C056E. Read More »
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TSB #20NA105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #PIE0644A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to their vehicle having sudden loss of propulsion. Read More »
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TSB #PIE0644
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to their vehicle having sudden loss of propulsion. Read More »
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TSB #PIP5833C
This Preliminary information communicates to technicians to update the program in the reductant controller Read More »
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TSB #21NA228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #02-08-42-001J
This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage. Read More »
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TSB #PIT5733D
This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. Read More »
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TSB #21-NA-135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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TSB #07-08-42-006S
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »
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TSB #01-08-42-001P
This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines. Read More »
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TSB #20-NA-198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #01-08-42-001O
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
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TSB #07-08-42-006R
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »
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TSB #18-NA-279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #20-NA-198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #22-NA-109
This informational bulletin provides information on Information on Common Customer Trailer Side Faults. Read More »
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TSB #18NA103
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
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TSB #010842001N
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
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TSB #20NA198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #PIE0584A
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
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TSB #PIE0584
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
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TSB #010842001M
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »
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TSB #PIT5918
This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available. Read More »
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TSB #21-NA-166
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »
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TSB #PIE0625A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. Read More »
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TSB #PIE0625
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. Read More »
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TSB #23-NA-167
This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors. Read More »
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TSB #PIT5744C
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #20-NA-105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #PIT5744B
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIT5744A
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIE0603B
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #PIE0603A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #PIE0603
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #18NA383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #PIT5736
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »
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TSB #21-NA-067
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »
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TSB #24-NA-046
This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass. Read More »
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TSB #21NA152
This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »
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TSB #PI0754D
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »
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TSB #18NA383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #18NA383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #PI0754F
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »
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TSB #PI0754D
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »
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TSB #DOR-D8C4T-03
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »
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TSB #PIT5733C
This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. Read More »
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TSB #PIC5260F
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
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TSB #PIC5260E
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
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TSB #PIE0603
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #PIE0603B
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #PIE0603A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #PIT5736C
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »
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TSB #PIT5099G
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
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TSB #PIT5868B
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »
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TSB #12-01-37-001F
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. Read More »
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TSB #21-NA-097
This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern. Read More »
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TSB #PIT5099F
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
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TSB #PIP5833B
This Preliminary information communicates to technicians to update the program in the DEF controller Read More »
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TSB #PIP5833A
This Preliminary information communicates to technicians to update the program in the DEF controller Read More »
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TSB #PIP5540J
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
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TSB #PIT5868
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »
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TSB #PIT5636D
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number. Read More »
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TSB #21-NA-005
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »
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TSB #PIP5925
This Preliminary information communicates to the dealer technician that engineering is aware of a concern with the teen driver feature not operating. Read More »
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TSB #PIT5509K
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #PIT4322N
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
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TSB #PIT5747B
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »
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TSB #PIE0664A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Blocked Park Assist Sensor message illuminated on the driver ... Read More »
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TSB #21NA005
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »
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TSB #PIT5509H
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #PIC5650J
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
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TSB #PIP5809
This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. Read More »
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TSB #20NA048
This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »
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TSB #21NA005
This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »
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TSB #PIT5747A
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »
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TSB #PIT5747A
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »
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TSB #99-09-40-005I
This service bulletin provides information on availability for a seat belt extender. Read More »
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TSB #N202316160
Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »
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TSB #N202316160
Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »
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TSB #20NA048
This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »
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TSB #19-NA-255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
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TSB #19-NA-255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
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TSB #19-NA-255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
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TSB #PI0281K
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #23-NA-112
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »
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TSB #21-NA-067
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »
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TSB #20-NA-175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »
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TSB #PIT5990A
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »
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TSB #99-08-51-001F
This service bulletin provides information on Paintless Dent Repair Process. Read More »
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TSB #23-NA-112
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »
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TSB #21-NA-067
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »
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TSB #PI0281J
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #23-NA-056
This technical bulletin provides a procedure to correct the condition of Wind Whistle Noise at Highway Speeds. Read More »
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TSB #23-NA-059
This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch. Read More »
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TSB #22-NA-018
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »
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TSB #18-NA-383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #PIT5990
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »
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TSB #21-NA-067
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »
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TSB #PI0754F
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »
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TSB #19-NA-255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
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TSB #99-00-89-019X
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »
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TSB #PIP5358B
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
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TSB #20-NA-175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »
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TSB #PI0281I
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #22-NA-068
This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs. Read More »
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TSB #12-08-51-002N
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »
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TSB #PI0653F
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
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TSB #PIT5853
This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield. Read More »
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TSB #19NA255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
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TSB #21NA026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
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TSB #20NA175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »
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TSB #PIE0603B
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #990851001E
Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »
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TSB #PIT5709A
This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new HD Silverado and Sierra. Read More »
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TSB #20NA175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »
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TSB #19NA255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
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TSB #PIE0573
This engineering information (EI) is requesting information from technicians to perform the inspection and verify that the rear axle dampener (TVA) is loose after a loud banging noise is heard from the rear of the vehicle while in motion ... Read More »
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TSB #150089002B
This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »
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TSB #20NA141
This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored. Read More »
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TSB #20NA095
This informational bulletin is advising dealers to replace the grilles due to rust. Read More »
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TSB #18NA383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #18NA383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #18NA383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #20NA175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »
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TSB #18NA383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #PI0281I
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #20NA175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
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TSB #20NA194
This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. Read More »
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TSB #PI0281H
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #19NA104
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
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TSB #N192267990
N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Read More »
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TSB #PIT5709
This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new 2020 HD Silverado and Sierra. Read More »
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TSB #PIT6119
This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device installed on the vehicle. Read More »
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TSB #23-NA-112
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »
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TSB #23-NA-112
This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening. Read More »
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TSB #PIT3227S
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »
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TSB #20NA105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #20NA036
This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate. Read More »
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TSB #PIT5909
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed. Read More »
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TSB #PIT3227R
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »
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TSB #20NA059
This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself. Read More »
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TSB #N202306491 Messa
Service Update (Revised Population). The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »
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TSB #N202306491
Service Update. The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »
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TSB #20NA035
This technical bulletin provides repair information to correct a customer concern of hearing a wind whistle noise from front of vehicle while driving. Read More »
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TSB #21NA018
This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area. Read More »
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TSB #N232426401-01
Customer Satisfaction Program. As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. Read More »
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TSB #N232426401
Customer Satisfaction Program. As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. Read More »
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TSB #18-NA-279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #18-NA-279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #18NA279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #18NA279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #20NA040
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »
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TSB #20NA040
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »
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TSB #PIT5818
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »
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TSB #PIT4506G
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Read More »
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TSB #20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #22-NA-183
This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds. Read More »
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TSB #20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #00-00-90-002M
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
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TSB #PIT3271N
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #PIT4261H
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
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TSB #PIT3271M
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #PIT3271L
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #030310007K
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »
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TSB #20NA159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #20NA159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #20NA159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #PIT3271K
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #20NA159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #000310003Z
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #PIT4261F
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
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TSB #050310020G
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires. Read More »
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TSB #000310003Y
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
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TSB #PIT4261J
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
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TSB #PIT4261G
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
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TSB #PIT4261F
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
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TSB #07-03-16-004E
This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »
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TSB #000090002L
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
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TSB #PIT4506E
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Read More »
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TSB #00-03-10-006P
This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »
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TSB #17-NA-052
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »
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TSB #03-00-91-001I
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
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TSB #20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #17-NA-170
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »
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TSB #20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #22-NA-183
This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds. Read More »
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TSB #12-03-10-001E
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »
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TSB #17-NA-170
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »
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TSB #12-03-10-001D
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »
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TSB #22-NA-172
This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI. Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #00-00-90-002M
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
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TSB #07-03-16-004E
This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »
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TSB #22-NA-257
This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process. Read More »
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TSB #PIT3271N
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #22-NA-183
This informational bulletin advises the tech of a different tire/rim option that can be used to correct the customers concern. Read More »
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TSB #20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #21-NA-043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
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TSB #20-NA-159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #17-NA-052
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »
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TSB #PIT3271M
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #PIT3271L
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #21NA275
This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing ?D? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 ... Read More »
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TSB #030310007K
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »
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TSB #PIP5806A
This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft. Read More »
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TSB #100310001F
This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »
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TSB #000310002L
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »
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TSB #PIT3271K
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »
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TSB #PIP5753
PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set. Read More »
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TSB #N202294960
Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. Read More »
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TSB #050307009J
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »
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TSB #20NA022
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts). Read More »
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TSB #100310001E
This informational bulletin provides information on Wheel Balancer Mounting Instructions. Read More »
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TSB #19NA074
This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD. Read More »
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TSB #21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »
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TSB #PIT5509K
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #PIT5509J
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #17-NA-350
This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the gooseneck. Read More »
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TSB #PIT5959
This Preliminary Information communication provides information to the technician that if they receive a vehicle with this concern with their vehicles trailer hitch backup camera guideline not centered, General Motors is aware of this and ... Read More »
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TSB #17-NA-350
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck. Read More »
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TSB #PIT5747B
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »
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TSB #PIT5509H
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
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TSB #20NA198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #PIT5828
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
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TSB #PIT5747A
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »
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TSB #PIT5747A
This Preliminary information communicates to dealership how to test properly trailer light option on the truck and also provide additional information on trailer issues. Read More »
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TSB #PIE0584A
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
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TSB #PIE0584A
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
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TSB #PIE0593
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on drivers ... Read More »
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TSB #PIE0562
This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses ... Read More »
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TSB #17NA350
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck. Read More »
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TSB #PIT4322P
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
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TSB #PIT4322N
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
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TSB #PIT4322M
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
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TSB #PIT5403H
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
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TSB #PIT4322L
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
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TSB #21NA052
This technical bulletin provides repair information to correct a customer concern of False Traction Control or Stability Event During Slow Speed Sharp Turns. Read More »
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TSB #PIT4322K
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
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TSB #PIT5551N
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551M
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551L
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551K
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551J
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551H
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551F
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551E
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5551E
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
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TSB #PIT5527C
This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Read More »
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TSB #PIT5744D
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIT5386J
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #PIP5847B
This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin. Read More »
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TSB #PIP5847A
This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin. Read More »
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TSB #PIT5990A
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »
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TSB #PIT5544G
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #PIT5970B
This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair. Read More »
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TSB #PIT5970A
This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair. Read More »
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TSB #23-NA-062
This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »
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TSB #PIT5990
This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated into the cowl. Read More »
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TSB #PIT5744C
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #PIP5711C
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise. Read More »
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TSB #PIT5921A
This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered. Read More »
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TSB #PIT5954A
This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »
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TSB #PIT5970
This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and working on a solution for the ... Read More »
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TSB #PIT5386H
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #PIT5959
This Preliminary Information communication provides information to the technician that if they receive a vehicle with this concern with their vehicles trailer hitch backup camera guideline not centered, General Motors is aware of this and ... Read More »
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TSB #PIT5921
This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered. Read More »
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TSB #PIT5809C
This Preliminary information communicates an issues with a pop, clunk, knock, rattle type noise heard from the steering column over bumps and ask dealerships to replace the upper column shaft. Read More »
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TSB #PIE0664A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Blocked Park Assist Sensor message illuminated on the driver ... Read More »
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TSB #070601016G
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »
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TSB #PIT5386G
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #PIT5744B
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
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TSB #21NA091
This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #PIP5806A
This preliminary information bulletin instructs to technicians to use the Picoscope or a make physical inspection to check for debris on the cam postion sensor and to check for a bent target wheel on the camshaft. Read More »
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TSB #PIP5808
This Preliminary information communicates to technicians to replace the ECM and affected sensor if diagnostics leads to replacement of the ECM. Read More »
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TSB #PIP5752M
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506, Possible valve spring concern Read More »
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TSB #21NA091
This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »
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TSB #21NA091
This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #PIP5801A
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve ... Read More »
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TSB #PIP5801
This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve ... Read More »
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TSB #20NA048
This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »
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TSB #PIT5544D
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. Read More »
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TSB #PIT5744A
This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body. Read More »
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TSB #20NA105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #PIT5386F
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #PIT5386F
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
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TSB #PIP5748D
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #PIP5748D
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #PIP5748A
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #20NA163
This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fisheye Appearance. Read More »
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TSB #20NA129
This informational bulletin provides information for dealers/technicians on Rear View Camera Display Bright At Night. Read More »
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TSB #20NA022
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts). Read More »
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TSB #PIT5387J
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #N202299520
Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit. Dealers are to provide the missing backup alarm to the customer. Read More »
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TSB #PIT5697C
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »
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TSB #PIT5697B
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »
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TSB #20NA036
This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate. Read More »
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TSB #23-NA-062
This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »
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TSB #20NA163
This technical bulletin provides repair information to correct a customer concern of Rearview Camera Displaying Narrow Guidelines and Zoomed Out/Fisheye Appearance. Read More »
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TSB #PIT5697
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Read More »
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TSB #PIT5914A
This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Dealers are to reprogram the radio to correct this concern. Read More »
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TSB #PIT5914
This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Read More »
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TSB #PIT5387J
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #PIT5954B
This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »
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TSB #21NA135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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TSB #PIP4902P
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #17-NA-052
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »
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TSB #21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #17-NA-302
This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area. Read More »
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TSB #24-NA-044
This technical bulletin provides repair information to correct a customer concern of U170 Radio Software Update. Read More »
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TSB #07-00-89-037S
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »
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TSB #11-00-89-005X
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »
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TSB #23-NA-189
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »
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TSB #21-NA-238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #21-NA-120
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »
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TSB #21-NA-155
This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector. Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #PIT5074P
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
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TSB #23-NA-219
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #21-NA-135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #23-NA-189
This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present ... Read More »
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TSB #23-NA-185
This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, ... Read More »
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TSB #22-NA-225
This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »
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TSB #23-NA-065
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #22-NA-150
This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset. Read More »
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TSB #23-NA-154
This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »
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TSB #07-08-49-020R
This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »
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TSB #21-NA-120
This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair. Read More »
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TSB #23-NA-167
This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors. Read More »
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TSB #21-NA-166
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling. Read More »
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TSB #18-NA-306
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
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TSB #09-00-89-016H
This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014. Read More »
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TSB #23-NA-065
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »
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TSB #01-00-89-010R
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »
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TSB #21-NA-026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
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TSB #23-NA-125
This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs. Read More »
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TSB #23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »
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TSB #23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »
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TSB #16-NA-158
This service bulletin describes the U.S. Dealer Special Tool Loan Program process. Read More »
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TSB #23-NA-062
This service bulletin provides repair information to correct a customer concern of Rear View Camera Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »
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TSB #22-NA-244
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »
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TSB #21-NA-067
This technical bulletin provides repair information to correct a customer concern of the foam strip between the I/P trim and base of the windshield detaching from the upper I/P trim panel. Read More »
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TSB #17-NA-350
This informational bulletin provides explanation of a normal condition of a loose-fitting ball receiver in the gooseneck. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #23-NA-053
This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »
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TSB #10-08-110-001J
This service bulletin provides information on proper use of floor mats. Read More »
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TSB #20-NA-198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #22-NA-172
This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #23-NA-064
This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships. Read More »
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TSB #23-NA-059
This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch. Read More »
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TSB #23-NA-062
This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D. Read More »
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TSB #22-NA-148
This technical bulletin provides repair information to correct a customer concern of Service 4a??Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event. Read More »
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TSB #23-NA-055
This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs. Read More »
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TSB #23-NA-053
This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »
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TSB #22-NA-018
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »
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TSB #21-NA-061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »
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TSB #23-NA-044
This service bulletin provides information on AGM batteries that require less frequent charging in storage. Read More »
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TSB #18-NA-383
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. Read More »
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TSB #20-NA-141
This technical bulletin provides repair information to correct a customer concern of the Tri-Fold Tonneau paint finish fading or discolored. Read More »
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TSB #21-NA-110
This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period. Read More »
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TSB #15-NA-017
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »
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TSB #18-NA-279
This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #07-03-16-004E
This service bulletin provides information for tire pressure monitoring (TPM) system concerns. Read More »
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TSB #21-NA-068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
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TSB #21-NA-228
This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time-out. Read More »
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TSB #22-NA-244
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »
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TSB #22-NA-238
This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #21-NA-068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
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TSB #21-NA-182
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »
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TSB #05-00-89-029E
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »
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TSB #21-NA-061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). Read More »
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TSB #20-NA-105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #22-NA-161
This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #PIT5853A
This Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield. Read More »
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TSB #PIT5569B
This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC. Read More »
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TSB #PIT4261H
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
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TSB #22-NA-135
This warranty admin bulletin covers information on Essential Tools that include Consumable Parts. Read More »
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TSB #12-01-37-001F
This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. Read More »
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TSB #21-NA-026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
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TSB #22-NA-123
This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen and No Communication with the Video Processing Module (VPM). Read More »
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TSB #16-NA-109
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
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TSB #22-NA-106
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »
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TSB #21-NA-182
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »
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TSB #22-NA-085
This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »
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TSB #22-NA-070
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »
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TSB #01-00-89-010P
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »
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TSB #22-NA-070
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »
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TSB #17-NA-052
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »
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TSB #12-08-51-002N
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »
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TSB #20-NA-105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #PIT5746B
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
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TSB #PI0653F
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
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TSB #21NA214
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated, Harsh or Delayed Transmission Shifts Including Slip, Surge, Shudder, Noise, Whine, Growl, Shake and/or Vibration, ... Read More »
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TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
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TSB #20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #PIT5702C
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »
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TSB #100605002J
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
-
TSB #1308116001G
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
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TSB #PIP5832
This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis. Read More »
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TSB #PIT5868
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »
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TSB #21NA237
THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »
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TSB #21NA265
This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact. Read More »
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TSB #21NA091
This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »
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TSB #21NA238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #19NA104
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
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TSB #21NA247
This technical bulletin provides a procedure This technical bulletin provides repair information to correct a customer concern of Unable to Set PIN to Enable Teen Driver Feature. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #PIT5752B
This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »
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TSB #PIT3099U
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
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TSB #21NA152
This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »
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TSB #21NA145
This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. Read More »
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TSB #010842001N
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
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TSB #990420002L
This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »
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TSB #080730035E
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »
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TSB #110089002E
This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »
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TSB #PIE0602C
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »
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TSB #PIE0642A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Service Engine Soon (SES) lamp illuminated and/or Service Emission System ... Read More »
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TSB #070089037Q
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »
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TSB #120851002M
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
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TSB #070089037P
This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »
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TSB #100089006H
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »
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TSB #PIT5746A
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
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TSB #PIT5839A
This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »
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TSB #120851002L
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »
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TSB #21NA110
This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period. Read More »
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TSB #20NA159
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #21NA110
This informational bulletin provides information for dealers/technicians on Information on GM Accessories - Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period. Read More »
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TSB #PIT5839
This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »
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TSB #21NA103
This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »
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TSB #18NA073
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
-
TSB #18NA146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
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TSB #020089002T
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
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TSB #070089036J
This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. Read More »
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TSB #PIT3227Q
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Read More »
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TSB #18NA099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
-
TSB #110089005Q
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #21NA062
This informational bulletin directs dealers to the correct path needed to correct a vehicle with the condition of Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation based on the correct cause. Read More »
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TSB #21NA043
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
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TSB #PIE0607A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable ... Read More »
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TSB #21NA026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
-
TSB #21NA018
This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area. Read More »
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TSB #PIE0593A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on ... Read More »
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TSB #21NA012
This technical bulletin provides repair information to correct a customer concern of Clean Exhaust Filter, Perform Manual Regen, and Loss of Digital Speedometer DIC Displays. Read More »
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TSB #20NA218
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
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TSB #20NA105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
-
TSB #PIE0590A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center ... Read More »
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TSB #PIE0602
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC ... Read More »
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TSB #PIE0607
This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, ... Read More »
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TSB #20NA110
This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »
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TSB #20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
-
TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
-
TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
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TSB #N202316160
Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »
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TSB #N202316160
Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »
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TSB #20NA218
This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »
-
TSB #010601011L
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
-
TSB #010601011L
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #PIP5764A
This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction Read More »
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TSB #20NA199
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »
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TSB #090604026S
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #PIE0584A
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
-
TSB #090604026S
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #20NA198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
-
TSB #PIE0603
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water. Read More »
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TSB #19NA136
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
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TSB #040089015V
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »
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TSB #PIT5161H
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
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TSB #20NA078
This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »
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TSB #20NA142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
-
TSB #000310002L
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »
-
TSB #18NA098
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. Read More »
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TSB #990851001E
Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »
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TSB #PIE0594A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »
-
TSB #100605002I
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
-
TSB #16NA244
This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. Read More »
-
TSB #20NA213
This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »
-
TSB #16NA380
This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #19NA187
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause. Read More »
-
TSB #PIT5387H
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #19NA237
This informational bulletin explains how to identify possible DEF contamination. Read More »
-
TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
-
TSB #16NA372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
-
TSB #20NA209
This technical bulletin provides repair information to correct a customer concern of Service 4WD Message illuminated on Driver Information Center (DIC), DTCs C118D, C119B and/or C119C set. Read More »
-
TSB #1308116001F
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
-
TSB #17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
-
TSB #20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
-
TSB #060089026Q
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
-
TSB #20NA197
This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. Read More »
-
TSB #PIT5737B
This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »
-
TSB #PIT5754
This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern. Read More »
-
TSB #PIE0584
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
-
TSB #20NA194
This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. Read More »
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TSB #20NA192
This technical bulletin provides a procedure to try multiple different adjustments based on the condition of Steering Dither/Shake or Quick Steering Wheel Oscillation at Speeds of 80-129?km/h (50-80?mph). Read More »
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TSB #PIP5748
This Preliminary information communicates to the technition instructions to replace the particulate matter sensor for a P1488 and to use the special labor operation for tracking purposes. Read More »
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TSB #990089019U
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
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TSB #PIP5733B
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation Read More »
-
TSB #19NA255
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
-
TSB #PIP5655B
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »
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TSB #070842006O
This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »
-
TSB #PIP5684B
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
-
TSB #PIT5754
This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern. Read More »
-
TSB #20NA105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
-
TSB #990089019T
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
-
TSB #PIE0568C
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the conditions that are listed in this PIE. Read More »
-
TSB #110089005O
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #060089029T
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
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TSB #19NA269
This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »
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TSB #PIT5737A
This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »
-
TSB #N202298330
Customer Satisfaction Program - Certain 2020 Chevrolet Silverado HD and GMC Sierra HD vehicles were intended to include a high idle feature, (RPO UF3). Read More »
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TSB #030089006R
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »
-
TSB #060089029S
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
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TSB #060089029R
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
-
TSB #20NA012
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »
-
TSB #20NA048
This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt. Read More »
-
TSB #PIT5736
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »
-
TSB #020089002S
This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
-
TSB #20NA044
This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate. Read More »
-
TSB #19NA104
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
-
TSB #040601029J
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
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TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
-
TSB #20NA006
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »
-
TSB #PIP5656D
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Read More »
-
TSB #N192286190
Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover. Read More »
-
TSB #050307009J
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »
-
TSB #18NA073
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
-
TSB #110089002D
This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »
-
TSB #PIT5411R
This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »
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TSB #20NA016
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »
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TSB #PIT5387G
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #030846004W
This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only). Read More »
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TSB #19NA216
This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern. Read More »
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TSB #16NA383
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
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TSB #19NA269
This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »
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TSB #100089009D
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »
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TSB #080089014F
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
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TSB #19NA270
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »
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TSB #PIE0548
This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in a repair. Read More »
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TSB #010842001M
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »
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TSB #N192273400
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere. Read More »
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TSB #120851002K
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »
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TSB #17NA073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »
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TSB #18NA146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
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TSB #130089008B
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »
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TSB #19NA152
This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone. Read More »
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TSB #PIT5702
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »
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TSB #990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program. Read More »
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TSB #16NA376
This informational bulletin provides information on higher than expected oil consumption. Read More »
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TSB #1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
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TSB #16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
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TSB #19NA091
This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks. Read More »
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TSB #PIT5918A
This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available. Read More »
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TSB #PIT6096
This Preliminary information communicates a diagnostic tip for the 110 /120 volt power outlets being inoperative and dealerships should try a battery disconnect to see if the concern goes away. Read More »
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TSB #PIT5909B
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed. Read More »
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TSB #PIT5750C
This Preliminary information communicates an issue with the battery goes dead and provides diagnostics tips on inspecting the LIN bus. Read More »
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TSB #PIT5954A
This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »
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TSB #PIT5702D
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »
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TSB #PIT5954
This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern. Read More »
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TSB #12-00-89-003B
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »
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TSB #21NA068
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
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TSB #20NA198
This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit. Read More »
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TSB #PIT5752
This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. Read More »
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TSB #100089005I
This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. Read More »
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TSB #18NA279
This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »
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TSB #PIP5664A
This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P11D5, P226D, P249E, P249D, P20EE or P226D while engineering is investigating. Read More »
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TSB #17NA276
This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal ... Read More »
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TSB #PIP5663
This Preliminary information communicates AFM / DFM usage Information. providing additional information on the AFM and DFM systems Read More »
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TSB #23-NA-053
This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues. Read More »
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TSB #PIT5387M
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #PIT5914
This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Read More »
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TSB #21-NA-182
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »
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TSB #21NA182
This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »
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TSB #PIT5799A
This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. Read More »
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TSB #20NA199
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »
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TSB #20NA199
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »
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TSB #20NA199
This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »
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TSB #20NA012
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »
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TSB #20NA087
This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio. Read More »
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TSB #PIT6122
This Preliminary information communicates to dealers of a known issue with failed map update Read More »
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TSB #PIT5387N
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
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TSB #20NA199
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »
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TSB #PIT5909A
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed. Read More »
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TSB #PIP5632E
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #PIP5628E
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
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TSB #21NA002
This informational bulletin provides a test procedure, for a possible faulty DEF Heater. Read More »
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TSB #16-NA-372
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. Read More »
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TSB #04-06-04-051F
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »
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TSB #20NA175
This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. Read More »
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TSB #20-NA-132
This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. Read More »
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TSB #23-NA-103
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »
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TSB #24-NA-040
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. Read More »
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TSB #PIT5448J
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
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TSB #18-NA-099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
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TSB #PIP5601B
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »
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TSB #23-NA-219
This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories. Read More »
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TSB #05-00-89-029F
This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »
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TSB #99-00-89-019Y
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »
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TSB #02-00-89-002W
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only). Read More »
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TSB #10-00-89-006J
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »
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TSB #23-NA-154
This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »
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TSB #18-NA-306
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
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TSB #PIP5358C
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
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TSB #PIP4902R
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #23-NA-103
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »
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TSB #02-00-89-002V
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
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TSB #04-00-89-015Z
This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »
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TSB #11-00-89-005V
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #17-NA-073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »
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TSB #18-NA-146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
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TSB #18-NA-263
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »
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TSB #00-00-90-002M
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
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TSB # 02-00-89-002U
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
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TSB #09-00-89-008F
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process. Read More »
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TSB #PIT5746C
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
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TSB #PIP5632G
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #PIP4902Q
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
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TSB #PIT5736B
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »
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TSB #10-00-89-006I
This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »
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TSB #22-NA-195
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada. Read More »
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TSB #01-00-89-010Q
This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »
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TSB #11-00-89-005U
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #18-NA-306
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
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TSB #11-00-89-005T
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #04-00-89-015X
This bulletin provides information on Warranty Administration a?? Required Operating Procedures - 8 Points (U.S. Only). Read More »
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TSB #18-NA-306
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
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TSB #22-NA-070
This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »
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TSB #22-NA-106
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »
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TSB #18-NA-099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
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TSB #18-NA-099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
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TSB #PIT5733B
This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. Read More »
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TSB #21NA135
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »
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TSB #22NA018
This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »
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TSB #080089014G
This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
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TSB #990089019W
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
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TSB #20NA038
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »
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TSB #030846004X
This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar? Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »
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TSB #20NA110
This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump. Read More »
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TSB #PIP5764A
This Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction Read More »
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TSB #PIE0604
GSA Example: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service 4WD message illuminated on the drivers ... Read More »
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TSB #040089015V
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »
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TSB #18NA263
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »
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TSB #110089005P
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #18NA099
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
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TSB #150089002B
This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »
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TSB #PIT5746
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
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TSB #090089002R
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
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TSB #000310003Z
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »
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TSB #PIE0560A
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC). Read More »
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TSB #PIE0560
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a Service 4WD message being visible the driver information center (DIC). Read More »
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TSB #060089029P
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »
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TSB #070089037O
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs. Read More »
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TSB #20NA059
This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself. Read More »
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TSB #20NA050
This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving. Read More »
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TSB #060089026P
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
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TSB #990089019S
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
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TSB #040089015U
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »
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TSB #000310003Y
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
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TSB #16NA119
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »
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TSB #150089005C
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
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TSB #080089014F
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
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TSB #100089006G
This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »
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TSB #19NA232
This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. Read More »
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TSB #100089009C
This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
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TSB #010089010N
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »
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TSB #060847001O
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
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TSB #21-NA-061
This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs. Read More »
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TSB #22-NA-068
This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs. Read More »
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TSB #20NA090
This informational bulletin provides a way for the technician to identify if the ECM has been modified. Read More »
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TSB #20NA110
This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #PIT5868
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. Read More »
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TSB #21NA238
This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak. Read More »
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TSB #20NA188
This technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On. Read More »
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TSB #21NA145
This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. Read More »
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TSB #010842001N
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
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TSB #080730035E
This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »
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TSB #110089002E
This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »
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TSB #PIE0602C
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp illuminated on Driver Information Center. Read More »
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TSB #1008110001I
This informational bulletin provides information on proper use of floor mats. Read More »
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TSB #21NA026
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
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TSB #20NA105
This technical bulletin provides repair information to correct a customer concern of 360 Camera Views go Blank with Tailgate Removed. Read More »
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TSB #PIE0602
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC ... Read More »
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TSB #PIE0607
This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, ... Read More »
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TSB #20NA203
This informational bulletin explains how the regen works for the DEF system and how it works at different levels. Read More »
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TSB #N202316160
Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. Read More »
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TSB #090604026S
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #PIT5161H
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
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TSB #20NA078
This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern. Read More »
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TSB #20NA142
This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. Read More »
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TSB #000310002L
This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »
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TSB #PIE0594A
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards an intermittent no start. Read More »
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TSB #20NA213
This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »
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TSB #16NA380
This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #17NA374
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. Read More »
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TSB #PIE0584
This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose. Read More »
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TSB #20NA194
This technical bulletin provides repair information to correct a customer concern of Hard Tri-Fold tonneau water leaks at the front corners of the pickup box. Read More »
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TSB #N202300791
Service Update (population expanded). In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is ... Read More »
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TSB #070842006O
This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... Read More »
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TSB #N202306491 Messa
Service Update (Revised Population). The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »
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TSB #N202306491
Service Update. The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. Read More »
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TSB #090089002R
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
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TSB #20NA095
This informational bulletin is advising dealers to replace the grilles due to rust. Read More »
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TSB #060089029R
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
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TSB #PI0281H
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
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TSB #20NA012
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »
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TSB #19NA104
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
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TSB #040601029J
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
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TSB #20NA040
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all. Read More »
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TSB #20NA043
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw. Read More »
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TSB #20NA006
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »
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TSB #150089005C
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »
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TSB #20NA006
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »
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TSB #16NA383
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
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TSB #100089009D
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »
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TSB #19NA270
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. Read More »
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TSB #010842001M
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »
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TSB #PIT5702
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Read More »
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TSB #100845001G
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »
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TSB #1308116001E
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
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TSB #000601012J
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
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TSB #030091001H
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. Read More »
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TSB #PIT5736A
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start. Read More »
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TSB #19NA231
This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the factory. Read More »
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TSB #21NA097
This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern. Read More »
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TSB #PIT5914A
This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Dealers are to reprogram the radio to correct this concern. Read More »
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TSB #PIT5839A
This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »
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TSB #16NA380
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
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TSB #17-NA-073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »
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TSB #PIT5962A
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
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TSB #11-00-89-005W
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #11-00-89-005V
This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »
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TSB #PI0754F
This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »
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TSB #PIC5453D
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
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TSB #PIT5698C
This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »
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TSB #01-00-89-010O
This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »
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TSB #PIP5834
This Preliminary information communicates that the service 4wd message related to C119E is under investigation for a repair. Read More »
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TSB #PIP5833C
This Preliminary information communicates to technicians to update the program in the reductant controller Read More »
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TSB #090604026V
Information. Read More »
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TSB #16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #21NA237
THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. Read More »