GMC Sierra Service Bulletins (2021)
1,650 manufacturer communications on file.
- December 3, 2020•Document ID: 10186088Service Bulletin/Repair InstructionsBACK OVER PREVENTION; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 20NA220
- Date Added:
- February 1, 2021
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides repair information to correct a customer concern of Rear Camera Inoperable.
Associated Products (2)Associated Documents - December 3, 2020•Document ID: 10187164Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
- Mfr Comm. #:
- PIT5789A
- Date Added:
- February 16, 2021
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern.
Associated Products (6)Associated Documents - December 3, 2020•Document ID: 10185713Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
- Mfr Comm. #:
- PIT5789A
- Date Added:
- January 25, 2021
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern.
Associated Products (6)Associated Documents - December 1, 2020•Document ID: 10187612Service Bulletin/Repair InstructionsEQUIPMENT; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; AIR BAGS; ELECTRICAL SYSTEM
- Mfr Comm. #:
- N202320510
- Date Added:
- March 1, 2021
- Manufacturer:
- CADILLAC
SummaryCustomer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. The vehicle coolant system temperature is monitored and will display multiple warnings to the customer as coolant temperatures rise. At a set coolant temperature, the MIL will illuminate, DTC P2B85 will set in the engine control module (ECM), the oil pressure gauge will indicate high oil pressure and reduced torque with notification to the driver of reduced power will occur. If the customer continues to drive after this warning and the coolant temperature continues to rise, a chime will occur, the AC will be disabled and an additional message instructing the driver to idle will illuminate. If the customer continues to drive the vehicle after all previous warnings and the coolant temperature continues to rise a message the engine will shut down could occur, and the engine will be shut down. Dealers are to replace the water pump.
Associated Products (5)Associated Documents - December 1, 2020•Document ID: 10187340Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- N202320510
- Date Added:
- February 22, 2021
- Manufacturer:
- CADILLAC
SummaryCustomer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. The vehicle coolant system temperature is monitored and will display multiple warnings to the customer as coolant temperatures rise. At a set coolant temperature, the MIL will illuminate, DTC P2B85 will set in the engine control module (ECM), the oil pressure gauge will indicate high oil pressure and reduced torque with notification to the driver of reduced power will occur. If the customer continues to drive after this warning and the coolant temperature continues to rise, a chime will occur, the AC will be disabled and an additional message instructing the driver to idle will illuminate. If the customer continues to drive the vehicle after all previous warnings and the coolant temperature continues to rise a message the engine will shut down could occur, and the engine will be shut down. Dealers are to replace the water pump.
Associated Products (5)Associated Documents - December 1, 2020•Document ID: 10187208Service Bulletin/Repair InstructionsAIR BAGS; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; POWER TRAIN; LANE DEPARTURE; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- N202320510
- Date Added:
- February 16, 2021
- Manufacturer:
- CADILLAC
SummaryCustomer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. The vehicle coolant system temperature is monitored and will display multiple warnings to the customer as coolant temperatures rise. At a set coolant temperature, the MIL will illuminate, DTC P2B85 will set in the engine control module (ECM), the oil pressure gauge will indicate high oil pressure and reduced torque with notification to the driver of reduced power will occur. If the customer continues to drive after this warning and the coolant temperature continues to rise, a chime will occur, the AC will be disabled and an additional message instructing the driver to idle will illuminate. If the customer continues to drive the vehicle after all previous warnings and the coolant temperature continues to rise a message the engine will shut down could occur, and the engine will be shut down. Dealers are to replace the water pump.
Associated Products (5)Associated Documents - December 1, 2020•Document ID: 10186046Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- N202320510
- Date Added:
- February 1, 2021
- Manufacturer:
- CADILLAC
SummaryCustomer Satisfaction Program. Certain vehicles, equipped with a gas engine, may have a condition in which the printed circuit board inside of the water pump may have been manufactured incorrectly potentially causing a water pump failure. The vehicle coolant system temperature is monitored and will display multiple warnings to the customer as coolant temperatures rise. At a set coolant temperature, the MIL will illuminate, DTC P2B85 will set in the engine control module (ECM), the oil pressure gauge will indicate high oil pressure and reduced torque with notification to the driver of reduced power will occur. If the customer continues to drive after this warning and the coolant temperature continues to rise, a chime will occur, the AC will be disabled and an additional message instructing the driver to idle will illuminate. If the customer continues to drive the vehicle after all previous warnings and the coolant temperature continues to rise a message the engine will shut down could occur, and the engine will be shut down. Dealers are to replace the water pump.
Associated Products (8)Associated Documents - December 1, 2020•Document ID: 10187626Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 040089015V
- Date Added:
- March 1, 2021
- Manufacturer:
- CADILLAC
SummaryThis bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
Associated Products (273)2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 253 moreAssociated Documents - December 1, 2020•Document ID: 10187383Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 19NA136
- Date Added:
- February 22, 2021
- Manufacturer:
- CHEVROLET
SummaryThis 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 Mode.
Associated Products (49)2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Canyon2019 GMC Sierra2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Colorado2018 Chevrolet Silverado2018 Chevrolet Suburban+ 29 moreAssociated Documents - December 1, 2020•Document ID: 10187372Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 16NA019
- Date Added:
- February 22, 2021
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
Associated Products (229)2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Spark2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse+ 209 moreAssociated Documents - December 1, 2020•Document ID: 10186105Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 040089015V
- Date Added:
- February 1, 2021
- Manufacturer:
- CHEVROLET
SummaryThis bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
Associated Products (273)2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado+ 253 moreAssociated Documents - December 1, 2020•Document ID: 10186069Service Bulletin/Repair InstructionsPARKING BRAKE; EQUIPMENT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- Mfr Comm. #:
- 19NA136
- Date Added:
- February 1, 2021
- Manufacturer:
- GMC
SummaryThis 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 Mode.
Associated Products (54)2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Sierra2020 Chevrolet Colorado2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Cadillac Escalade2019 Cadillac Escalade ESV2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Canyon2019 GMC Sierra2019 GMC Yukon2018 Cadillac Escalade2018 Cadillac Escalade ESV2018 Chevrolet Colorado2018 Chevrolet Silverado+ 34 moreAssociated Documents - December 1, 2020•Document ID: 10186058Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN
- Mfr Comm. #:
- 16NA019
- Date Added:
- February 1, 2021
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
Associated Products (228)2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Traverse2021 Chevrolet Trax+ 208 moreAssociated Documents - November 30, 2020•Document ID: 10184142Service Bulletin/Repair InstructionsFUEL SYSTEM, GASOLINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT
- Mfr Comm. #:
- PIT5161H
- Date Added:
- December 14, 2020
- Manufacturer:
- CHEVROLET
SummaryThis 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. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. The bump clunk issue may be due to fuel movement in the fuel tank when not completely full. The condition is eliminated after completely filling the fuel tank.
Associated Products (30)2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra2016 Chevrolet Silverado2016 GMC Sierra2015 Chevrolet Silverado2015 GMC Sierra2014 Chevrolet Silverado2014 GMC Sierra2013 Chevrolet Silverado2013 GMC Sierra2012 Chevrolet Silverado2012 GMC Sierra+ 10 moreAssociated Documents - November 30, 2020•Document ID: 10184518Service Bulletin/Repair InstructionsAIR BAGS
- Mfr Comm. #:
- PIE0599A
- Date Added:
- December 21, 2020
- Manufacturer:
- CHEVROLET
SummaryThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).
Associated Products (7)Associated Documents - November 25, 2020•Document ID: 10184521Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM
- Mfr Comm. #:
- PIE0601
- Date Added:
- December 21, 2020
- Manufacturer:
- GMC
SummaryThis 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 being illuminated.
Associated Products (10)Associated Documents - November 25, 2020•Document ID: 10184480Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 18NA263
- Date Added:
- December 21, 2020
- Manufacturer:
- CADILLAC
SummaryThis warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
Associated Products (422)2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 402 moreAssociated Documents - November 23, 2020•Document ID: 10184484Service Bulletin/Repair InstructionsEQUIPMENT; POWER TRAIN:CLUTCH ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- 20NA078
- Date Added:
- December 21, 2020
- Manufacturer:
- GMC
SummaryThis 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.
Associated Products (22)2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon2020 GMC Yukon XL2019 Chevrolet Express2019 Chevrolet Silverado2019 Chevrolet Suburban2019 Chevrolet Tahoe2019 GMC Sierra+ 2 moreAssociated Documents - November 20, 2020•Document ID: 10184132Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- PIP5764
- Date Added:
- December 14, 2020
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the technician a possible cause of a P2B60 as terminal corrosiosn and provides a correction
Associated Products (4)Associated Documents - November 20, 2020•Document ID: 10184527Service Bulletin/Repair InstructionsENGINE; ELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- N202319660
- Date Added:
- December 21, 2020
- Manufacturer:
- CHEVROLET
SummaryService Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.
Associated Products (10)Associated Documents