Cadillac XT4 Service Bulletins (2024)

511 manufacturer communications on file.

• 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 (136)

  2024 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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 116 more
  Associated Documents

  • DownloadMC-11000157-0001.pdf↗
• April 26, 2024•Document ID: 11000119

  Service Bulletin/Repair Instructions
  ENGINE; POWER TRAIN; SUSPENSION

  Mfr Comm. #:

  15-00-89-004G

  Date Added:

  May 15, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

  Associated Products (144)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 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 XT52024 Cadillac XT6+ 124 more
  Associated Documents

  • DownloadMC-11000119-0001.pdf↗
• April 18, 2024•Document ID: 10253770

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  00-03-10-006P

  Date Added:

  May 1, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

  Associated Products (124)

  2024 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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 104 more
  Associated Documents

  • DownloadMC-10253770-0001.pdf↗
• April 17, 2024•Document ID: 10254012

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

  Mfr Comm. #:

  22-NA-203

  Date Added:

  May 2, 2024

  Manufacturer:

  BUICK

  Summary

  This technical bulletin provides a procedure to correct the condition of Check Engine Lamp Illuminated on Driver Information Center (DIC) with DTC P0451 Set.

  Associated Products (8)

  2024 Buick Envision2024 Cadillac XT42023 Buick Envision2023 Cadillac XT42022 Buick Envision2022 Cadillac XT42021 Buick Envision2021 Cadillac XT4
  Associated Documents

  • DownloadMC-10254012-0001.pdf↗
• April 16, 2024•Document ID: 10254014

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 2, 2024

  Manufacturer:

  CHEVROLET

  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 (136)

  2024 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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 116 more
  Associated Documents

  • DownloadMC-10254014-0001.pdf↗
• April 12, 2024•Document ID: 10253726

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-222

  Date Added:

  May 1, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of Radio Software issues and provide software (Version W26E-172.4.2-M169-SQBR4-123.4) Updates for IVD.

  Associated Products (2)

  2024 Cadillac Lyriq2024 Cadillac XT4
  Associated Documents

  • DownloadMC-10253726-0001.pdf↗
• April 12, 2024•Document ID: 10253725

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-038

  Date Added:

  May 1, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.

  Associated Products (101)

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  Associated Documents

  • DownloadMC-10253725-0001.pdf↗
• April 10, 2024•Document ID: 10253527

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20-NA-132

  Date Added:

  April 23, 2024

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (136)

  2024 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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 116 more
  Associated Documents

  • DownloadMC-10253527-0001.pdf↗
• April 8, 2024•Document ID: 10253571

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  24-NA-067

  Date Added:

  April 27, 2024

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information on Headlamp Aim Is Uneven.

  Associated Products (1)

  2024 Cadillac XT4
  Associated Documents

  • DownloadMC-10253571-0001.pdf↗
• April 8, 2024•Document ID: 10253526

  Service Bulletin/Repair Instructions
  WHEELS; EQUIPMENT

  Mfr Comm. #:

  17-NA-052

  Date Added:

  April 23, 2024

  Manufacturer:

  CADILLAC

  Summary

  This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

  Associated Products (136)

  2024 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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 116 more
  Associated Documents

  • DownloadMC-10253526-0001.pdf↗
• March 28, 2024•Document ID: 10252735

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  10-08-45-001H

  Date Added:

  April 5, 2024

  Manufacturer:

  GMC

  Summary

  This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

  Associated Products (139)

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  Associated Documents

  • DownloadMC-10252735-0001.pdf↗
• March 27, 2024•Document ID: 10252844

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIE0783A

  Date Added:

  April 6, 2024

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Check Engine Lamp illuminated on Driver Information Center (DIC).

  Associated Products (4)

  2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer
  Associated Documents

  • DownloadMC-10252844-0001.pdf↗
• March 26, 2024•Document ID: 10252790

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  23-NA-222

  Date Added:

  April 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of Radio Software issues and provide software (Version W26E-172.4.2-M169-SQBR4-123.4) Updates for IVD.

  Associated Products (2)

  2024 Cadillac Lyriq2024 Cadillac XT4
  Associated Documents

  • DownloadMC-10252790-0001.pdf↗
• March 26, 2024•Document ID: 10252774

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  20-NA-132

  Date Added:

  April 5, 2024

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (139)

  2024 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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 119 more
  Associated Documents

  • DownloadMC-10252774-0001.pdf↗
• March 21, 2024•Document ID: 10252126

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  23-NA-103

  Date Added:

  March 29, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).

  Associated Products (146)

  2025 Buick Enclave2025 Buick Encore2025 Cadillac CT52025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Trax2025 GMC Terrain2024 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 Blazer+ 126 more
  Associated Documents

  • DownloadMC-10252126-0001.pdf↗
• March 19, 2024•Document ID: 10253095

  Service Bulletin/Repair Instructions
  EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; BACK OVER PREVENTION:DISPLAY FUNCTION

  Mfr Comm. #:

  PIT6105B

  Date Added:

  April 15, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.

  Associated Products (8)

  2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Colorado2024 GMC Canyon2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon
  Associated Documents

  • DownloadMC-10253095-0001.pdf↗
• March 19, 2024•Document ID: 10252118

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  23-NA-135

  Date Added:

  March 29, 2024

  Manufacturer:

  GMC

  Summary

  This informational bulletin advises the changes to some of the 9-speed oil control changes from previous years.

  Associated Products (20)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 GMC Terrain2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Terrain
  Associated Documents

  • DownloadMC-10252118-0001.pdf↗
• March 18, 2024•Document ID: 10252120

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  24-NA-053

  Date Added:

  March 29, 2024

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of False Automatic Emergency Braking (AEB) Events.

  Associated Products (1)

  2024 Cadillac XT4
  Associated Documents

  • DownloadMC-10252120-0001.pdf↗
• March 13, 2024•Document ID: 10251921

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; SEATS

  Mfr Comm. #:

  PIE0773B

  Date Added:

  March 20, 2024

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) closure ends the need for gathering further information from technicians in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height Adjuster Motor Under the Front Row Seat.

  Associated Products (29)

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  Associated Documents

  • DownloadMC-10251921-0001.pdf↗
• March 13, 2024•Document ID: 10251890

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-383

  Date Added:

  March 19, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.

  Associated Products (128)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer+ 108 more
  Associated Documents

  • DownloadMC-10251890-0001.pdf↗