Buick Regal Service Bulletins

3,210 manufacturer communications on file.

• June 6, 2024•Document ID: 11002312

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-098

  Date Added:

  June 25, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

  Associated Products (1148)

  2025 Buick Enclave2025 Buick Encore2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 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 Envision2024 Buick Envista2024 Cadillac CT4+ 1128 more
  Associated Documents

  • DownloadMC-11002312-0001.pdf↗
• June 5, 2024•Document ID: 11001971

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  20-NA-016

  Date Added:

  June 22, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.

  Associated Products (636)

  2025 Chevrolet Silverado2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express+ 616 more
  Associated Documents

  • DownloadMC-11001971-0001.pdf↗
• June 4, 2024•Document ID: 11002011

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ENGINE

  Mfr Comm. #:

  22-NA-193

  Date Added:

  June 24, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.

  Associated Products (72)

  2024 Cadillac CT52024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 GMC Acadia2023 Cadillac CT52023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 GMC Acadia2022 Cadillac CT52022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 GMC Acadia2022 GMC Canyon+ 52 more
  Associated Documents

  • DownloadMC-11002011-0001.pdf↗
• May 17, 2024•Document ID: 11001327

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  18-NA-125

  Date Added:

  June 8, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for engine oil life monitor operation calculation.

  Associated Products (602)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer+ 582 more
  Associated Documents

  • DownloadMC-11001327-0001.pdf↗
• May 16, 2024•Document ID: 11001380

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  June 10, 2024

  Manufacturer:

  CADILLAC

  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 (200)

  2025 Chevrolet Silverado2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox+ 180 more
  Associated Documents

  • DownloadMC-11001380-0001.pdf↗
• May 16, 2024•Document ID: 11001321

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  08-07-30-035H

  Date Added:

  June 7, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (912)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 892 more
  Associated Documents

  • DownloadMC-11001321-0001.pdf↗
• May 14, 2024•Document ID: 11001325

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  16-NA-119

  Date Added:

  June 7, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.

  Associated Products (747)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 727 more
  Associated Documents

  • DownloadMC-11001325-0001.pdf↗
• May 9, 2024•Document ID: 11000602

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-070

  Date Added:

  May 31, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

  Associated Products (429)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 409 more
  Associated Documents

  • DownloadMC-11000602-0001.pdf↗
• May 7, 2024•Document ID: 11000576

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  09-00-89-008G

  Date Added:

  May 31, 2024

  Manufacturer:

  GMC

  Summary

  This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.

  Associated Products (1027)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 1007 more
  Associated Documents

  • DownloadMC-11000576-0001.pdf↗
• May 6, 2024•Document ID: 11000599

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  18-NA-067

  Date Added:

  May 31, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.

  Associated Products (480)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT4+ 460 more
  Associated Documents

  • DownloadMC-11000599-0001.pdf↗
• May 3, 2024•Document ID: 11000550

  Warranty Program/Extension
  SERVICE BRAKES; UNKNOWN OR OTHER; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY

  Mfr Comm. #:

  22-NA-244

  Date Added:

  May 30, 2024

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.

  Associated Products (318)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 298 more
  Associated Documents

  • DownloadMC-11000550-0001.pdf↗
• May 3, 2024•Document ID: 11000549

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  22-NA-106

  Date Added:

  May 30, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.

  Associated Products (320)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT4+ 300 more
  Associated Documents

  • DownloadMC-11000549-0001.pdf↗
• May 3, 2024•Document ID: 11000361

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  18-NA-236

  Date Added:

  May 24, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information for dealers/technicians on the Lithium-Ion battery section and small pack exchange procedure.

  Associated Products (47)

  2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2021 Chevrolet Bolt EV2020 Chevrolet Bolt EV2019 Buick LaCrosse2019 Chevrolet Bolt EV2019 Chevrolet Malibu2019 Chevrolet Volt2018 Buick LaCrosse2018 Chevrolet Bolt EV2018 Chevrolet Malibu2018 Chevrolet Silverado2018 Chevrolet Volt2018 GMC Sierra2017 Buick Regal2017 Chevrolet Bolt EV2017 Chevrolet Malibu2017 Chevrolet Silverado+ 27 more
  Associated Documents

  • DownloadMC-11000361-0001.pdf↗
• May 2, 2024•Document ID: 11000575

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  23-NA-154

  Date Added:

  May 31, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).

  Associated Products (431)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT4+ 411 more
  Associated Documents

  • DownloadMC-11000575-0001.pdf↗
• May 1, 2024•Document ID: 11000163

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  21-NA-043

  Date Added:

  May 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

  Associated Products (597)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 577 more
  Associated Documents

  • DownloadMC-11000163-0001.pdf↗
• May 1, 2024•Document ID: 11000158

  Service Bulletin/Repair Instructions
  SEATS; UNKNOWN OR OTHER

  Mfr Comm. #:

  06-00-89-029V

  Date Added:

  May 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.

  Associated Products (865)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 845 more
  Associated Documents

  • DownloadMC-11000158-0001.pdf↗
• April 30, 2024•Document ID: 11000164

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 16, 2024

  Manufacturer:

  CADILLAC

  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 (201)

  2025 Chevrolet Silverado2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox+ 181 more
  Associated Documents

  • DownloadMC-11000164-0001.pdf↗
• April 30, 2024•Document ID: 11000162

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  13-08-116-001J

  Date Added:

  May 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

  Associated Products (920)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT4+ 900 more
  Associated Documents

  • DownloadMC-11000162-0001.pdf↗
• April 30, 2024•Document ID: 11000160

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  10-08-110-001K

  Date Added:

  May 16, 2024

  Manufacturer:

  GMC

  Summary

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

  Associated Products (757)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Hummer EV Pickup2025 GMC Terrain2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT5+ 737 more
  Associated Documents

  • DownloadMC-11000160-0001.pdf↗
• April 26, 2024•Document ID: 11000157

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-125

  Date Added:

  May 16, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.

  Associated Products (341)

  2025 Chevrolet Silverado2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox+ 321 more
  Associated Documents

  • DownloadMC-11000157-0001.pdf↗