Chevrolet Silverado Service Bulletins (2021)

1,748 manufacturer communications on file.

• February 10, 2023•Document ID: 10232074

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

  Mfr Comm. #:

  21-NA-132

  Date Added:

  February 23, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.

  Associated Products (16)

  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 XL
  Associated Documents

  • DownloadMC-10232074-0001.pdf↗
• February 10, 2023•Document ID: 10232069

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; LATCHES/LOCKS/LINKAGES; EQUIPMENT

  Mfr Comm. #:

  18-NA-279

  Date Added:

  February 23, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

  Associated Products (111)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX+ 91 more
  Associated Documents

  • DownloadMC-10232069-0001.pdf↗
• February 8, 2023•Document ID: 10232071

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-218

  Date Added:

  February 23, 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-10232071-0001.pdf↗
• February 7, 2023•Document ID: 10232799

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

  Mfr Comm. #:

  PIT5927B

  Date Added:

  March 13, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information provides a proactive communication to dealers advising that engineering is aware of the Turn by Turn concern, and working on a resolution.  It also advises that once a repair is available that the PI will be replaced by a Service Bulletin.

  Associated Products (6)

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

  • DownloadMC-10232799-0001.pdf↗
• February 7, 2023•Document ID: 10232079

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-014

  Date Added:

  February 23, 2023

  Manufacturer:

  GMC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Unable to Dismiss Turn By Turn Directions from the DIC.

  Associated Products (6)

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

  • DownloadMC-10232079-0001.pdf↗
• February 7, 2023•Document ID: 10232073

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21-NA-106

  Date Added:

  February 23, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.

  Associated Products (46)

  2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Express2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Canyon2023 GMC Savana2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Camaro+ 26 more
  Associated Documents

  • DownloadMC-10232073-0001.pdf↗
• February 7, 2023•Document ID: 10232070

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  19-NA-076

  Date Added:

  February 23, 2023

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse.

  Associated Products (53)

  2022 Buick Enclave2022 Buick Encore GX2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Silverado2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Sierra2022 GMC Terrain2021 Buick Enclave2021 Buick Encore GX2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT6+ 33 more
  Associated Documents

  • DownloadMC-10232070-0001.pdf↗
• February 6, 2023•Document ID: 10232791

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

  Mfr Comm. #:

  PIP5711C

  Date Added:

  March 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.

  Associated Products (8)

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

  • DownloadMC-10232791-0001.pdf↗
• February 6, 2023•Document ID: 10231274

  Service Bulletin/Repair Instructions
  STEERING:ELECTRIC POWER ASSIST SYSTEM

  Mfr Comm. #:

  N222376580

  Date Added:

  February 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  Service Update - Certain vehicles may have a condition in which the Power Assist Steps reverse while deploying or stowing. Dealers will reprogram the Assist Step Control Module.

  Associated Products (6)

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

  • DownloadMC-10231274-0001.pdf↗
• February 6, 2023•Document ID: 10232793

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5921A

  Date Added:

  March 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.

  Associated Products (67)

  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+ 47 more
  Associated Documents

  • DownloadMC-10232793-0001.pdf↗
• February 6, 2023•Document ID: 10232078

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-011

  Date Added:

  February 23, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Informational bulletin advises the technician of possible areas the oil may leak from the engine.

  Associated Products (26)

  2023 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 Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban+ 6 more
  Associated Documents

  • DownloadMC-10232078-0001.pdf↗
• February 1, 2023•Document ID: 10231893

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

  Mfr Comm. #:

  22-NA-115

  Date Added:

  February 21, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.

  Associated Products (161)

  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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 141 more
  Associated Documents

  • DownloadMC-10231893-0001.pdf↗
• January 31, 2023•Document ID: 10231519

  Service Bulletin/Repair Instructions
  TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; WHEELS; EQUIPMENT

  Mfr Comm. #:

  07-03-16-004E

  Date Added:

  February 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for tire pressure monitoring (TPM) system concerns.

  Associated Products (555)

  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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 535 more
  Associated Documents

  • DownloadMC-10231519-0001.pdf↗
• January 31, 2023•Document ID: 10231518

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

  Mfr Comm. #:

  00-00-90-002M

  Date Added:

  February 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.

  Associated Products (555)

  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 Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Express+ 535 more
  Associated Documents

  • DownloadMC-10231518-0001.pdf↗
• January 30, 2023•Document ID: 10231675

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIT5689E

  Date Added:

  February 13, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active.  PIE0572 has now ended and reinstating the PI.

  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-10231675-0001.pdf↗
• January 30, 2023•Document ID: 10231520

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT

  Mfr Comm. #:

  21-NA-091

  Date Added:

  February 8, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.

  Associated Products (21)

  2023 Cadillac XT42022 Cadillac XT42022 Chevrolet Silverado2021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2020 Cadillac CT42020 Cadillac CT52020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Chevrolet Bolt EV2020 Chevrolet Corvette2020 Chevrolet Silverado2020 Chevrolet Suburban+ 1 more
  Associated Documents

  • DownloadMC-10231520-0001.pdf↗
• January 26, 2023•Document ID: 10231511

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

  Mfr Comm. #:

  22-NA-015

  Date Added:

  February 8, 2023

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.

  Associated Products (26)

  2023 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 Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Silverado2021 Chevrolet Suburban+ 6 more
  Associated Documents

  • DownloadMC-10231511-0001.pdf↗
• January 25, 2023•Document ID: 10231499

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

  Mfr Comm. #:

  20-NA-203

  Date Added:

  February 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains how the regen works for the DEF system and how it works at different levels.

  Associated Products (12)

  2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2021 GMC Sierra2020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra
  Associated Documents

  • DownloadMC-10231499-0001.pdf↗
• January 24, 2023•Document ID: 10231660

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  PIT5970

  Date Added:

  February 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and working on a solution for the concern.

  Associated Products (6)

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

  • DownloadMC-10231660-0001.pdf↗
• January 24, 2023•Document ID: 10231514

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

  Mfr Comm. #:

  23-NA-002

  Date Added:

  February 8, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P0300 DTCs Set.

  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-10231514-0001.pdf↗