GMC Sierra Service Bulletins (2020)
1,991 manufacturer communications on file.
- May 5, 2021•Document ID: 10199240Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- 19NA129
- Date Added:
- July 19, 2021
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
Associated Products (6)Associated Documents - May 5, 2021•Document ID: 10198849Service Bulletin/Repair InstructionsBACK OVER PREVENTION
- Mfr Comm. #:
- 19NA129
- Date Added:
- July 6, 2021
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
Associated Products (6)Associated Documents - May 3, 2021•Document ID: 10199271Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 21NA109
- Date Added:
- July 19, 2021
- Manufacturer:
- GMC
SummaryThis service bulletin provides diagnostic information for a customer concern of engine vibration.
Associated Products (83)2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Camaro2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra+ 63 moreAssociated Documents - May 3, 2021•Document ID: 10199265Service Bulletin/Repair InstructionsBACK OVER PREVENTION
- Mfr Comm. #:
- 21NA091
- Date Added:
- July 19, 2021
- Manufacturer:
- CHEVROLET
SummaryThis 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.
Associated Products (24)2021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT52020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Chevrolet Bolt EV2020 Chevrolet Corvette2020 Chevrolet Silverado2020 Chevrolet Suburban+ 4 moreAssociated Documents - May 3, 2021•Document ID: 10199238Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 19NA044
- Date Added:
- July 19, 2021
- Manufacturer:
- BUICK
SummaryThis service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
Associated Products (519)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+ 499 moreAssociated Documents - May 3, 2021•Document ID: 10198880Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 21NA109
- Date Added:
- July 6, 2021
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides diagnostic information for a customer concern of engine vibration.
Associated Products (83)2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Express2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Savana2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Chevrolet Camaro2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra+ 63 moreAssociated Documents - May 3, 2021•Document ID: 10198874Service Bulletin/Repair InstructionsBACK OVER PREVENTION
- Mfr Comm. #:
- 21NA091
- Date Added:
- July 6, 2021
- Manufacturer:
- CADILLAC
SummaryThis 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.
Associated Products (24)2021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT52020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Chevrolet Bolt EV2020 Chevrolet Corvette2020 Chevrolet Silverado2020 Chevrolet Suburban+ 4 moreAssociated Documents - May 3, 2021•Document ID: 10198847Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 19NA044
- Date Added:
- July 6, 2021
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
Associated Products (519)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+ 499 moreAssociated Documents - April 30, 2021•Document ID: 10194079Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 16NA338
- Date Added:
- May 24, 2021
- Manufacturer:
- CHEVROLET
SummaryThis 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, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
Associated Products (685)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+ 665 moreAssociated Documents - April 29, 2021•Document ID: 10193477Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIP5748F
- Date Added:
- May 17, 2021
- Manufacturer:
- GMC
SummaryThis 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.
Associated Products (8)Associated Documents - April 27, 2021•Document ID: 10193475Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- PIT5839
- Date Added:
- May 17, 2021
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution.
Associated Products (18)2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Silverado2021 Chevrolet Trax2021 GMC Canyon2021 GMC Sierra2021 GMC Terrain2020 Chevrolet Blazer2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Equinox2020 Chevrolet Malibu2020 Chevrolet Silverado2020 Chevrolet Sonic2020 Chevrolet Trax2020 GMC Canyon2020 GMC Sierra2020 GMC TerrainAssociated Documents - April 26, 2021•Document ID: 10195152Service Bulletin/Repair InstructionsPOWER TRAIN; SERVICE BRAKES
- Mfr Comm. #:
- PIE0615A
- Date Added:
- June 7, 2021
- Manufacturer:
- GMC
SummaryThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a tick and/or ping type noise heard from the Propeller Shaft during acceleration and/or braking.
Associated Products (6)Associated Documents - April 26, 2021•Document ID: 10194110Service Bulletin/Repair InstructionsEQUIPMENT:APPLIANCE:ELECTRIC WATER HEATER
- Mfr Comm. #:
- 21NA097
- Date Added:
- May 24, 2021
- Manufacturer:
- GMC
SummaryThis technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.
Associated Products (14)Associated Documents - April 23, 2021•Document ID: 10195150Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 070842006P
- Date Added:
- June 7, 2021
- Manufacturer:
- CHEVROLET
SummaryThis 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 removed.
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 - April 23, 2021•Document ID: 10193470Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- PIT5809A
- Date Added:
- May 17, 2021
- Manufacturer:
- GMC
SummaryThis 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.
Associated Products (4)Associated Documents - April 23, 2021•Document ID: 10194114Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 21NA103
- Date Added:
- May 24, 2021
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.
Associated Products (389)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 4500XD2021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu+ 369 moreAssociated Documents - April 23, 2021•Document ID: 10194090Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 20NA218
- Date Added:
- May 24, 2021
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.
Associated Products (28)2021 Buick Encore GX2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL2020 Buick Encore GX2020 Buick Regal2020 Cadillac CT52020 Chevrolet Corvette2020 Chevrolet Equinox+ 8 moreAssociated Documents - April 23, 2021•Document ID: 10193473Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- PIP5776C
- Date Added:
- May 17, 2021
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. It is recommended to replace the lifter guide and the four lifters.
Associated Products (10)Associated Documents - April 22, 2021•Document ID: 10194107Service Bulletin/Repair InstructionsSERVICE BRAKES, AIR:DISC:CALIPER
- Mfr Comm. #:
- 21NA089
- Date Added:
- May 24, 2021
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
Associated Products (6)Associated Documents - April 22, 2021•Document ID: 10193467Service Bulletin/Repair InstructionsEQUIPMENT; ENGINE
- Mfr Comm. #:
- PIP5742A
- Date Added:
- May 17, 2021
- Manufacturer:
- GMC
SummaryThis 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.
Associated Products (4)Associated Documents