GMC Sierra Service Bulletins (2018)

1,723 manufacturer communications on file.

• August 16, 2024•Document ID: 11006486

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP5991

  Date Added:

  August 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technician to reference the electronic parts catalog to check the EGR valve part number that was installed.

  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-11006486-0001.pdf↗
• August 16, 2024•Document ID: 11007721

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  23-NA-044

  Date Added:

  September 11, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on AGM batteries that require less frequent charging in storage.

  Associated Products (521)

  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 Sierra2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX+ 501 more
  Associated Documents

  • DownloadMC-11007721-0001.pdf↗
• August 16, 2024•Document ID: 11006500

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5481J

  Date Added:

  August 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.

  Associated Products (59)

  2024 Cadillac Escalade2024 Chevrolet Blazer2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2023 Cadillac Escalade2023 Chevrolet Blazer2023 Chevrolet Silverado2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2022 Cadillac Escalade2022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon+ 39 more
  Associated Documents

  • DownloadMC-11006500-0001.pdf↗
• August 15, 2024•Document ID: 11007430

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  18-NA-150

  Date Added:

  September 7, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

  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-11007430-0001.pdf↗
• August 15, 2024•Document ID: 11007429

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  17-NA-374

  Date Added:

  September 7, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

  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-11007429-0001.pdf↗
• August 13, 2024•Document ID: 11006266

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY

  Mfr Comm. #:

  PIT5650B

  Date Added:

  August 13, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that trucks built at Oshawa assembly utilize a powder anti-chip material process for stone guard protection, which does not have a textured appearance. The anti-chip performance meets all engineering criteria for durability and quality without a visibly textured surface. Trucks built at Flint, Fort Wayne, and Silao will have a textured appearance to the stone guard protection.

  Associated Products (10)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra2018 Chevrolet Silverado2018 GMC Sierra
  Associated Documents

  • DownloadMC-11006266-0001.pdf↗
• August 13, 2024•Document ID: 11006317

  Service Bulletin/Repair Instructions
  SEATS

  Mfr Comm. #:

  PIT6180

  Date Added:

  August 13, 2024

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.

  Associated Products (190)

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  Associated Documents

  • DownloadMC-11006317-0001.pdf↗
• August 13, 2024•Document ID: 11006293

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5569B

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.

  Associated Products (353)

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  Associated Documents

  • DownloadMC-11006293-0001.pdf↗
• August 13, 2024•Document ID: 11006274

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5195H

  Date Added:

  August 13, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.

  Associated Products (176)

  2024 Chevrolet Camaro2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Terrain2024 GMC Yukon2023 Chevrolet Camaro2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Silverado2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Terrain2023 GMC Yukon2022 Chevrolet Camaro2022 Chevrolet Equinox2022 Chevrolet Malibu+ 156 more
  Associated Documents

  • DownloadMC-11006274-0001.pdf↗
• August 12, 2024•Document ID: 11007718

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19-NA-237

  Date Added:

  September 11, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (97)

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  Associated Documents

  • DownloadMC-11007718-0001.pdf↗
• August 9, 2024•Document ID: 11007150

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16-NA-376

  Date Added:

  September 5, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin provides information on higher than expected oil consumption.

  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-11007150-0001.pdf↗
• 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: 11006715

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  23-NA-061

  Date Added:

  August 30, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the tech on how to check for possible exhaust leaks.

  Associated Products (13)

  2024 Chevrolet Silverado2024 GMC Sierra2023 Chevrolet Silverado2023 GMC Sierra2022 Chevrolet Silverado2022 GMC Sierra2021 Chevrolet Silverado2020 Chevrolet Silverado2019 Chevrolet Silverado2018 Chevrolet Silverado2018 GMC Sierra2017 Chevrolet Silverado2017 GMC Sierra
  Associated Documents

  • DownloadMC-11006715-0001.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: 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)

  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+ 80 more
  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: 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)

  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+ 788 more
  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)

  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+ 432 more
  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.

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  Associated Documents

  • DownloadMC-11007121-0001.pdf↗