GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• April 6, 2023•Document ID: 10235403

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-053

  Date Added:

  May 3, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information on Radio Software Version U168 Update to correct customer concerns of radio software issues.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10235403-0001.pdf↗
• April 6, 2023•Document ID: 10234621

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

  Mfr Comm. #:

  11-00-89-005V

  Date Added:

  April 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

  Associated Products (531)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT6+ 511 more
  Associated Documents

  • DownloadMC-10234621-0001.pdf↗
• April 6, 2023•Document ID: 10234620

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  10-08-110-001J

  Date Added:

  April 22, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on proper use of floor mats.

  Associated Products (728)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT6+ 708 more
  Associated Documents

  • DownloadMC-10234620-0001.pdf↗
• April 6, 2023•Document ID: 10234619

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  08-07-30-035G

  Date Added:

  April 22, 2023

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.

  Associated Products (874)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Sierra2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 854 more
  Associated Documents

  • DownloadMC-10234619-0001.pdf↗
• April 5, 2023•Document ID: 10235400

  Service Bulletin/Repair Instructions
  WHEELS; EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-172

  Date Added:

  May 3, 2023

  Manufacturer:

  GMC

  Summary

  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.

  Associated Products (6)

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

  • DownloadMC-10235400-0001.pdf↗
• April 5, 2023•Document ID: 10235399

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT; EXTERIOR LIGHTING

  Mfr Comm. #:

  20-NA-198

  Date Added:

  May 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (10)

  2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10235399-0001.pdf↗
• April 5, 2023•Document ID: 10235397

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

  Mfr Comm. #:

  19-NA-237

  Date Added:

  May 3, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin explains how to identify possible DEF system contamination.

  Associated Products (88)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Chevrolet Silverado2023 Chevrolet Suburban2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 Chevrolet Suburban2022 GMC Savana2022 GMC Sierra+ 68 more
  Associated Documents

  • DownloadMC-10235397-0001.pdf↗
• April 5, 2023•Document ID: 10234623

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-218

  Date Added:

  April 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (37)

  2022 Cadillac Escalade2022 Chevrolet Camaro2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac Escalade2020 Chevrolet Camaro+ 17 more
  Associated Documents

  • DownloadMC-10234623-0001.pdf↗
• April 4, 2023•Document ID: 10236135

  Service Bulletin/Repair Instructions
  COMMUNICATION: AUTO CRASH NOTIFICATION

  Mfr Comm. #:

  PIT5954B

  Date Added:

  May 15, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.

  Associated Products (5)

  2020 Cadillac XT52020 Cadillac XT62020 Chevrolet Silverado2020 Chevrolet Traverse2020 GMC Sierra
  Associated Documents

  • DownloadMC-10236135-0001.pdf↗
• April 4, 2023•Document ID: 10235561

  Service Bulletin/Repair Instructions
  POWER TRAIN; STEERING; STRUCTURE; ENGINE AND ENGINE COOLING; SUSPENSION

  Mfr Comm. #:

  PI0281J

  Date Added:

  May 4, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

  Associated Products (640)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette+ 620 more
  Associated Documents

  • DownloadMC-10235561-0001.pdf↗
• April 4, 2023•Document ID: 10235398

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

  Mfr Comm. #:

  20-NA-132

  Date Added:

  May 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (605)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT6+ 585 more
  Associated Documents

  • DownloadMC-10235398-0001.pdf↗
• April 3, 2023•Document ID: 10235405

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 3, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (173)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Terrain2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT6+ 153 more
  Associated Documents

  • DownloadMC-10235405-0001.pdf↗
• March 31, 2023•Document ID: 10234183

  Service Bulletin/Repair Instructions
  STRUCTURE; EQUIPMENT

  Mfr Comm. #:

  23-NA-059

  Date Added:

  April 14, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch.

  Associated Products (10)

  2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10234183-0001.pdf↗
• March 31, 2023•Document ID: 10234180

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  23-NA-056

  Date Added:

  April 14, 2023

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides a procedure to correct the condition of Wind Whistle Noise at Highway Speeds.

  Associated Products (4)

  2023 GMC Sierra2022 GMC Sierra2021 GMC Sierra2020 GMC Sierra
  Associated Documents

  • DownloadMC-10234180-0001.pdf↗
• March 31, 2023•Document ID: 10234176

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

  Mfr Comm. #:

  23-NA-027

  Date Added:

  April 14, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a procedure to test and replace the high-pressure fuel injector electrical connectors if found the cause of the MIL.

  Associated Products (14)

  2023 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 Sierra
  Associated Documents

  • DownloadMC-10234176-0001.pdf↗
• March 31, 2023•Document ID: 10234186

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-062

  Date Added:

  April 14, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D.

  Associated Products (65)

  2023 Buick Enclave2023 Buick Encore GX2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Equinox2023 Chevrolet Silverado2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Sierra2023 GMC Terrain2022 Buick Enclave2022 Buick Encore GX2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer+ 45 more
  Associated Documents

  • DownloadMC-10234186-0001.pdf↗
• March 30, 2023•Document ID: 10234171

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-168

  Date Added:

  April 14, 2023

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides diagnostic information when checking the exhaust system for leaks.

  Associated Products (24)

  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+ 4 more
  Associated Documents

  • DownloadMC-10234171-0001.pdf↗
• March 28, 2023•Document ID: 10234170

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT

  Mfr Comm. #:

  22-NA-148

  Date Added:

  April 14, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Service 4–Wheel Drive Message Illuminated in DIC with DTC C119E Set During Antilock Brake System Event.

  Associated Products (8)

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

  • DownloadMC-10234170-0001.pdf↗
• March 28, 2023•Document ID: 10234169

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  22-NA-147

  Date Added:

  April 14, 2023

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Service 4–Wheel Drive Message Illuminated in DIC with DTC C15AC Set.

  Associated Products (8)

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

  • DownloadMC-10234169-0001.pdf↗
• March 23, 2023•Document ID: 10234232

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

  Mfr Comm. #:

  PIT5914A

  Date Added:

  April 17, 2023

  Manufacturer:

  CHEVROLET

  Summary

  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.

  Associated Products (2)

  2020 Chevrolet Silverado2020 GMC Sierra
  Associated Documents

  • DownloadMC-10234232-0001.pdf↗