Chevrolet Express Service Bulletins

710 manufacturer communications on file.

• April 6, 2023•Document ID: 10234619

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  08-07-30-035G

  Date Added:

  April 22, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (106)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 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 5500HD2023 Chevrolet Blazer2023 Chevrolet Camaro+ 86 more
  Associated Documents

  • DownloadMC-10234619-0001.pdf↗
• April 5, 2023•Document ID: 10235397

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

  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 (24)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Chevrolet Suburban2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Chevrolet Colorado2022 Chevrolet Express2022 Chevrolet Suburban2022 GMC Savana2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Chevrolet Colorado2021 Chevrolet Express+ 4 more
  Associated Documents

  • DownloadMC-10235397-0001.pdf↗
• April 4, 2023•Document ID: 10235561

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

  Mfr Comm. #:

  PI0281J

  Date Added:

  May 4, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (103)

  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+ 83 more
  Associated Documents

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

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

  Mfr Comm. #:

  20-NA-132

  Date Added:

  May 3, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 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 XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

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

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 3, 2023

  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 (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 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 XT62023 Chevrolet 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

  • DownloadMC-10235405-0001.pdf↗
• March 24, 2023•Document ID: 10234154

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  22-NA-235

  Date Added:

  April 13, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.

  Associated Products (54)

  2023 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 Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse+ 34 more
  Associated Documents

  • DownloadMC-10234154-0001.pdf↗
• March 23, 2023•Document ID: 10234163

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-055

  Date Added:

  April 14, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.

  Associated Products (112)

  2024 Chevrolet Blazer2024 Chevrolet Traverse2024 Chevrolet Trax2023 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 EV+ 92 more
  Associated Documents

  • DownloadMC-10234163-0001.pdf↗
• March 23, 2023•Document ID: 10234141

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-219

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

  Associated Products (87)

  2023 Buick Enclave2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia+ 67 more
  Associated Documents

  • DownloadMC-10234141-0001.pdf↗
• March 21, 2023•Document ID: 10234140

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16-NA-019

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (15)

  2023 Cadillac CT42023 Chevrolet Camaro2023 GMC Savana2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Express2022 GMC Canyon2022 GMC Savana2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Express2021 GMC Canyon2021 GMC Savana
  Associated Documents

  • DownloadMC-10234140-0001.pdf↗
• March 20, 2023•Document ID: 10234147

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  22-NA-018

  Date Added:

  April 13, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).

  Associated Products (134)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 114 more
  Associated Documents

  • DownloadMC-10234147-0001.pdf↗
• March 20, 2023•Document ID: 10234144

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

  Mfr Comm. #:

  21-NA-043

  Date Added:

  April 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This informational 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 (110)

  2024 Chevrolet Blazer2024 Chevrolet Traverse2024 Chevrolet Trax2023 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 Colorado+ 90 more
  Associated Documents

  • DownloadMC-10234144-0001.pdf↗
• March 20, 2023•Document ID: 10234142

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20-NA-082

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (28)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Chevrolet Express2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Canyon2022 GMC Savana2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT4+ 8 more
  Associated Documents

  • DownloadMC-10234142-0001.pdf↗
• March 20, 2023•Document ID: 10234139

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  03-06-04-017S

  Date Added:

  April 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on availability of Diesel Fuel additives.

  Associated Products (36)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Savana2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Colorado2022 Chevrolet Express2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Canyon+ 16 more
  Associated Documents

  • DownloadMC-10234139-0001.pdf↗
• March 17, 2023•Document ID: 10234110

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-009

  Date Added:

  April 12, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.

  Associated Products (100)

  2024 Chevrolet Trax2023 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 Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 80 more
  Associated Documents

  • DownloadMC-10234110-0001.pdf↗
• March 17, 2023•Document ID: 10234109

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; POWER TRAIN

  Mfr Comm. #:

  21-NA-106

  Date Added:

  April 12, 2023

  Manufacturer:

  CHEVROLET

  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 (38)

  2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Canyon2023 GMC Savana2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Express2022 Chevrolet Suburban+ 18 more
  Associated Documents

  • DownloadMC-10234109-0001.pdf↗
• March 17, 2023•Document ID: 10233969

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  18-NA-073

  Date Added:

  April 7, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

  Associated Products (126)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 106 more
  Associated Documents

  • DownloadMC-10233969-0001.pdf↗
• March 17, 2023•Document ID: 10233835

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-222

  Date Added:

  April 6, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (101)

  2024 Chevrolet Trax2023 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 Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban+ 81 more
  Associated Documents

  • DownloadMC-10233835-0001.pdf↗
• March 17, 2023•Document ID: 10233830

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  00-06-01-026Q

  Date Added:

  April 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

  Associated Products (126)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 106 more
  Associated Documents

  • DownloadMC-10233830-0001.pdf↗
• March 17, 2023•Document ID: 10233829

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  00-06-01-012M

  Date Added:

  April 6, 2023

  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 (100)

  2024 Chevrolet Trax2023 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 Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 80 more
  Associated Documents

  • DownloadMC-10233829-0001.pdf↗
• March 16, 2023•Document ID: 10234107

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21-NA-061

  Date Added:

  April 12, 2023

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.

  Associated Products (107)

  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 Malibu+ 87 more
  Associated Documents

  • DownloadMC-10234107-0001.pdf↗