GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• December 31, 2023•Document ID: 10248725

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  18-NA-180

  Date Added:

  January 13, 2024

  Manufacturer:

  GMC

  Summary

  This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.

  Associated Products (105)

  2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Cadillac Escalade2023 Cadillac Lyriq2023 Chevrolet Bolt EUV+ 85 more
  Associated Documents

  • DownloadMC-10248725-0001.pdf↗
• December 22, 2023•Document ID: 10248705

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-218

  Date Added:

  January 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.

  Associated Products (51)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL+ 31 more
  Associated Documents

  • DownloadMC-10248705-0001.pdf↗
• December 21, 2023•Document ID: 10248709

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  22-NA-150

  Date Added:

  January 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.

  Associated Products (33)

  2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe+ 13 more
  Associated Documents

  • DownloadMC-10248709-0001.pdf↗
• December 20, 2023•Document ID: 10249298

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5386J

  Date Added:

  January 29, 2024

  Manufacturer:

  CHEVROLET

  Summary

  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. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.

  Associated Products (22)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 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 Sierra+ 2 more
  Associated Documents

  • DownloadMC-10249298-0001.pdf↗
• December 20, 2023•Document ID: 10248703

  Service Bulletin/Repair Instructions
  EQUIPMENT; POWER TRAIN

  Mfr Comm. #:

  16-NA-361

  Date Added:

  January 13, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.

  Associated Products (96)

  2024 Cadillac CT42024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Savana2024 GMC Sierra2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Savana2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express+ 76 more
  Associated Documents

  • DownloadMC-10248703-0001.pdf↗
• December 18, 2023•Document ID: 10249295

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT5074P

  Date Added:

  January 29, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.

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  Associated Documents

  • DownloadMC-10249295-0001.pdf↗
• December 15, 2023•Document ID: 10249294

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS

  Mfr Comm. #:

  PIT5962A

  Date Added:

  January 29, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.

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  Associated Documents

  • DownloadMC-10249294-0001.pdf↗
• December 15, 2023•Document ID: 10247527

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  21-NA-149

  Date Added:

  December 19, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No Start/ No Crank, Runs Rough, Stalls, Reduced Engine Power, Various DTCs.

  Associated Products (26)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 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 Sierra+ 6 more
  Associated Documents

  • DownloadMC-10247527-0001.pdf↗
• December 14, 2023•Document ID: 10247549

  Service Bulletin/Repair Instructions
  STEERING:ELECTRIC POWER ASSIST SYSTEM; SERVICE BRAKES, HYDRAULIC; STEERING; EQUIPMENT:ELECTRICAL; SERVICE BRAKES, HYDRAULIC:POWER ASSIST; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-201

  Date Added:

  December 21, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.

  Associated Products (8)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10247549-0001.pdf↗
• December 12, 2023•Document ID: 10247552

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  23-NA-219

  Date Added:

  December 21, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.

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  Associated Documents

  • DownloadMC-10247552-0001.pdf↗
• December 8, 2023•Document ID: 10247192

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT

  Mfr Comm. #:

  20-NA-132

  Date Added:

  December 15, 2023

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

  Associated Products (614)

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  Associated Documents

  • DownloadMC-10247192-0001.pdf↗
• December 7, 2023•Document ID: 10247194

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-214

  Date Added:

  December 15, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.

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  2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Silverado2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Acadia2024 GMC Canyon2024 GMC Sierra2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT4+ 49 more
  Associated Documents

  • DownloadMC-10247194-0001.pdf↗
• December 6, 2023•Document ID: 10247191

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20-NA-066

  Date Added:

  December 15, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a procedure to program the glow plug control module to correct a customer concern of a Malfunction Indicator Lamp Illuminated with One or More Glow Plug Control DTCs Set.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10247191-0001.pdf↗
• December 5, 2023•Document ID: 10249263

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL; POWER TRAIN

  Mfr Comm. #:

  PIT6096

  Date Added:

  January 29, 2024

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (8)

  2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10249263-0001.pdf↗
• November 27, 2023•Document ID: 10247370

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5700E

  Date Added:

  December 18, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Technicians are to refer to the information provided in this document to obtain the internal wiring harness part numbers by application.

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  Associated Documents

  • DownloadMC-10247370-0001.pdf↗
• November 21, 2023•Document ID: 10246305

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC

  Mfr Comm. #:

  22-NA-092

  Date Added:

  December 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

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  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10246305-0001.pdf↗
• November 17, 2023•Document ID: 10247363

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIP5847B

  Date Added:

  December 18, 2023

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (12)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10247363-0001.pdf↗
• November 16, 2023•Document ID: 10247361

  Service Bulletin/Repair Instructions
  STEERING; POWER TRAIN

  Mfr Comm. #:

  PIT6088

  Date Added:

  December 18, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates a diagnostic tip to inspect the main ground connection when diagnosing any lack of power steering assist issues with DTCs C1597 and/or C1599.

  Associated Products (8)

  2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10247361-0001.pdf↗
• November 16, 2023•Document ID: 10245559

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21-NA-135

  Date Added:

  November 29, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

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  Associated Documents

  • DownloadMC-10245559-0001.pdf↗
• November 14, 2023•Document ID: 10247352

  Service Bulletin/Repair Instructions
  SUSPENSION

  Mfr Comm. #:

  PIT5214F

  Date Added:

  December 18, 2023

  Manufacturer:

  GMC

  Summary

  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 the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.

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  Associated Documents

  • DownloadMC-10247352-0001.pdf↗