GMC Sierra Service Bulletins (2020)

1,991 manufacturer communications on file.

• August 9, 2024•Document ID: 11007147

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16-NA-372

  Date Added:

  September 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.

  Associated Products (17)

  2025 Chevrolet Silverado2024 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 Sierra
  Associated Documents

  • DownloadMC-11007147-0001.pdf↗
• August 9, 2024•Document ID: 11006707

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-NA-098

  Date Added:

  August 30, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

  Associated Products (17)

  2025 Chevrolet Silverado2024 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 Sierra
  Associated Documents

  • DownloadMC-11006707-0001.pdf↗
• August 9, 2024•Document ID: 11007202

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-NA-043

  Date Added:

  September 6, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.

  Associated Products (31)

  2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon+ 11 more
  Associated Documents

  • DownloadMC-11007202-0001.pdf↗
• August 9, 2024•Document ID: 11007154

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16-NA-380

  Date Added:

  September 6, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

  Associated Products (100)

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  Associated Documents

  • DownloadMC-11007154-0001.pdf↗
• August 9, 2024•Document ID: 11007123

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16-NA-244

  Date Added:

  September 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.

  Associated Products (101)

  2025 Chevrolet Silverado2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express+ 81 more
  Associated Documents

  • DownloadMC-11007123-0001.pdf↗
• August 9, 2024•Document ID: 11006714

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  23-NA-011

  Date Added:

  August 30, 2024

  Manufacturer:

  GMC

  Summary

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

  Associated Products (32)

  2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 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 Sierra+ 12 more
  Associated Documents

  • DownloadMC-11006714-0001.pdf↗
• August 9, 2024•Document ID: 11006682

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  01-00-89-010S

  Date Added:

  August 30, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

  Associated Products (808)

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  Associated Documents

  • DownloadMC-11006682-0001.pdf↗
• August 8, 2024•Document ID: 11007155

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  23-NA-141

  Date Added:

  September 6, 2024

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech.

  Associated Products (452)

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  Associated Documents

  • DownloadMC-11007155-0001.pdf↗
• August 8, 2024•Document ID: 11007115

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  07-06-01-016J

  Date Added:

  September 5, 2024

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

  Associated Products (615)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 595 more
  Associated Documents

  • DownloadMC-11007115-0001.pdf↗
• August 7, 2024•Document ID: 11007121

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16-NA-222

  Date Added:

  September 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

  Associated Products (600)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 580 more
  Associated Documents

  • DownloadMC-11007121-0001.pdf↗
• August 7, 2024•Document ID: 11007095

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  05-06-04-022V

  Date Added:

  September 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

  Associated Products (726)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 706 more
  Associated Documents

  • DownloadMC-11007095-0001.pdf↗
• August 7, 2024•Document ID: 11006670

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  00-06-01-012N

  Date Added:

  August 30, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.

  Associated Products (615)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 595 more
  Associated Documents

  • DownloadMC-11006670-0001.pdf↗
• August 6, 2024•Document ID: 11007116

  Service Bulletin/Repair Instructions
  ENGINE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  09-06-04-026Y

  Date Added:

  September 5, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

  Associated Products (741)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 721 more
  Associated Documents

  • DownloadMC-11007116-0001.pdf↗
• August 5, 2024•Document ID: 11007091

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  01-06-01-011P

  Date Added:

  September 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

  Associated Products (851)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista+ 831 more
  Associated Documents

  • DownloadMC-11007091-0001.pdf↗
• August 3, 2024•Document ID: 11006604

  Service Bulletin/Repair Instructions
  ENGINE; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  18-NA-103

  Date Added:

  August 24, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures.

  Associated Products (81)

  2025 Chevrolet Silverado2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express+ 61 more
  Associated Documents

  • DownloadMC-11006604-0001.pdf↗
• August 2, 2024•Document ID: 11006647

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  21-NA-271

  Date Added:

  August 28, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin advises the technician of a possible kinked coolant hose that might be causing the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P026A Set.

  Associated Products (32)

  2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 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 Sierra+ 12 more
  Associated Documents

  • DownloadMC-11006647-0001.pdf↗
• August 1, 2024•Document ID: 11006645

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  20-NA-090

  Date Added:

  August 28, 2024

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides a way for the technician to identify if the ECM has been modified.

  Associated Products (33)

  2025 Chevrolet Silverado2024 Cadillac Escalade2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra+ 13 more
  Associated Documents

  • DownloadMC-11006645-0001.pdf↗
• August 1, 2024•Document ID: 11006644

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  18-NA-306

  Date Added:

  August 28, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

  Associated Products (553)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision+ 533 more
  Associated Documents

  • DownloadMC-11006644-0001.pdf↗
• July 31, 2024•Document ID: 11006511

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  PI0754G

  Date Added:

  August 17, 2024

  Manufacturer:

  BUICK

  Summary

  This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.

  Associated Products (644)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac XT52025 Cadillac XT62025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 Chevrolet Trax2025 GMC Acadia2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision+ 624 more
  Associated Documents

  • DownloadMC-11006511-0001.pdf↗
• July 31, 2024•Document ID: 11006470

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  20-NA-082

  Date Added:

  August 16, 2024

  Manufacturer:

  GMC

  Summary

  This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.

  Associated Products (51)

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  Associated Documents

  • DownloadMC-11006470-0001.pdf↗