GMC Sierra Service Bulletins (2020)
1,991 manufacturer communications on file.
- November 19, 2021•Document ID: 10205590Service Bulletin/Repair InstructionsEQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 21NA271
- Date Added:
- December 27, 2021
- Manufacturer:
- CADILLAC
SummaryTGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.
Associated Products (18)2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Chevrolet Silverado2020 GMC SierraAssociated Documents - November 19, 2021•Document ID: 10205586Service Bulletin/Repair InstructionsEQUIPMENT; ENGINE; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 21NA267
- Date Added:
- December 27, 2021
- Manufacturer:
- CHEVROLET
SummaryThis bulletin advises the technician of a possible location that a leak may occur from the SCT pipe.
Associated Products (10)Associated Documents - November 18, 2021•Document ID: 10205584Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT
- Mfr Comm. #:
- 21NA265
- Date Added:
- December 27, 2021
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact.
Associated Products (9)Associated Documents - November 18, 2021•Document ID: 10205563Service Bulletin/Repair InstructionsEQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
- Mfr Comm. #:
- 21NA237
- Date Added:
- December 27, 2021
- Manufacturer:
- CADILLAC
SummaryTHis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.
Associated Products (14)Associated Documents - November 17, 2021•Document ID: 10205548Service Bulletin/Repair InstructionsBACK OVER PREVENTION; EQUIPMENT
- Mfr Comm. #:
- 21NA091
- Date Added:
- December 27, 2021
- Manufacturer:
- GMC
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 (29)2022 Chevrolet 35002022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Chevrolet 35002021 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 XT4+ 9 moreAssociated Documents - November 12, 2021•Document ID: 10205577Service Bulletin/Repair InstructionsEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:COOLING SYSTEM
- Mfr Comm. #:
- 21NA257
- Date Added:
- December 27, 2021
- Manufacturer:
- GMC
SummaryThis service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.
Associated Products (36)2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Sierra2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Trailblazer+ 16 moreAssociated Documents - November 9, 2021•Document ID: 10205564Service Bulletin/Repair InstructionsEQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN
- Mfr Comm. #:
- 21NA238
- Date Added:
- December 27, 2021
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
Associated Products (6)Associated Documents - November 8, 2021•Document ID: 10205738Service Bulletin/Repair InstructionsTIRES; WHEELS
- Mfr Comm. #:
- 030310007K
- Date Added:
- January 3, 2022
- Manufacturer:
- GMC
SummaryThis service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
Associated Products (666)2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu+ 646 moreAssociated Documents - November 8, 2021•Document ID: 10205552Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE
- Mfr Comm. #:
- 21NA149
- Date Added:
- December 27, 2021
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides repair information to correct a customer concern of Engine Wire Harness Chafing.
Associated Products (12)Associated Documents - November 8, 2021•Document ID: 10205539Service Bulletin/Repair InstructionsEQUIPMENT; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 19NA104
- Date Added:
- December 27, 2021
- Manufacturer:
- BUICK
SummaryThis service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
Associated Products (371)2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV+ 351 moreAssociated Documents - November 5, 2021•Document ID: 10205737Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING
- Mfr Comm. #:
- 030091001H
- Date Added:
- January 3, 2022
- Manufacturer:
- CADILLAC
SummaryThis 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.
Associated Products (784)2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV+ 764 moreAssociated Documents - November 4, 2021•Document ID: 10205569Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT; EQUIPMENT
- Mfr Comm. #:
- 21NA247
- Date Added:
- December 27, 2021
- Manufacturer:
- CHEVROLET
SummaryThis 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.
Associated Products (6)Associated Documents - November 3, 2021•Document ID: 10205545Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; BACK OVER PREVENTION; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- 20NA188
- Date Added:
- December 27, 2021
- Manufacturer:
- GMC
SummaryThis technical bulletin provides repair information to correct a customer concern of Rear View Camera Image Flickers When Brake Lamps or Turn Signals are On.
Associated Products (5)Associated Documents - November 2, 2021•Document ID: 10204439Service Bulletin/Repair InstructionsWHEELS; ELECTRICAL SYSTEM; POWER TRAIN
- Mfr Comm. #:
- PIP5646D
- Date Added:
- December 13, 2021
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the dealer technician that some customers may comment the rear wheels locked up at low speeds after a hot soak. Technicians may find DTC's P2724, P2727 or P2729 set. Technician's are advised to replace the TCM to address this concern.
Associated Products (4)Associated Documents - November 2, 2021•Document ID: 10204437Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- PIT5448G
- Date Added:
- December 13, 2021
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.
Associated Products (40)2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon XL2020 Cadillac Escalade ESV2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Sierra2020 GMC Yukon XL2019 Cadillac Escalade ESV2019 Chevrolet Silverado+ 20 moreAssociated Documents - November 1, 2021•Document ID: 10205739Service Bulletin/Repair InstructionsELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
- Mfr Comm. #:
- 070842006Q
- Date Added:
- January 3, 2022
- 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 (32)2022 Chevrolet Silverado2022 GMC Sierra2021 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 Sierra+ 12 moreAssociated Documents - September 22, 2021•Document ID: 10202401Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- PIP5806D
- Date Added:
- October 25, 2021
- Manufacturer:
- GMC
SummaryThis 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.
Associated Products (4)Associated Documents - September 20, 2021•Document ID: 10202395Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- PIT5853
- Date Added:
- October 25, 2021
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates information on correcting a rattle noise on driver side of cowl heat shield.
Associated Products (6)Associated Documents - September 14, 2021•Document ID: 10202392Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- PIT5752B
- Date Added:
- October 25, 2021
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device.
Associated Products (8)Associated Documents - September 1, 2021•Document ID: 10202385Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- PIT5544E
- Date Added:
- October 25, 2021
- Manufacturer:
- CHEVROLET
SummaryThis 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. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
Associated Products (14)Associated Documents