Cadillac XT4 Service Bulletins (2024)

511 manufacturer communications on file.

• January 14, 2025•Document ID: 11012956

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6317

  Date Added:

  January 20, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates if a customer and service tech encounter a gear display after a radio update, to replace the A11 radio for this concern.

  Associated Products (14)

  2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade IQ2025 Cadillac XT42024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Canyon2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon
  Associated Documents

  • DownloadMC-11012956-0001.pdf↗
• January 13, 2025•Document ID: 11013260

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-132

  Date Added:

  January 30, 2025

  Manufacturer:

  CADILLAC

  Summary

  Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.

  Associated Products (17)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Lyriq2024 Cadillac XT42024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11013260-0001.pdf↗
• January 11, 2025•Document ID: 11013029

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  23-NA-222

  Date Added:

  January 23, 2025

  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-11013029-0001.pdf↗
• January 11, 2025•Document ID: 11013074

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-136

  Date Added:

  January 24, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information on new Radio Software Version is W38E-174.4.1-M170-SQBR5-180.5 to correct a customer concern of radio software issues.

  Associated Products (3)

  2024 Cadillac XT42024 Chevrolet Colorado2024 GMC Canyon
  Associated Documents

  • DownloadMC-11013074-0001.pdf↗
• January 10, 2025•Document ID: 11012965

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  PIC6564B

  Date Added:

  January 20, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the direction a dealer/technician should take if a customer inquires about the installation of a trailer hitch or if the trailer lighting is inoperative for vehicles built without RPO option V92

  Associated Products (2)

  2025 Cadillac XT42024 Cadillac XT4
  Associated Documents

  • DownloadMC-11012965-0001.pdf↗
• January 10, 2025•Document ID: 11013892

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  25-NA-001

  Date Added:

  February 6, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.

  Associated Products (21)

  2025 Buick Enclave2025 Buick Encore GX2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Trailblazer2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Terrain2024 Buick Enclave2024 Buick Encore GX2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 GMC Acadia+ 1 more
  Associated Documents

  • DownloadMC-11013892-0001.pdf↗
• January 10, 2025•Document ID: 11013073

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-113

  Date Added:

  January 23, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.

  Associated Products (17)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Lyriq2024 Cadillac XT42024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11013073-0001.pdf↗
• January 9, 2025•Document ID: 11013069

  Service Bulletin/Repair Instructions
  POWER TRAIN; ELECTRICAL SYSTEM; ENGINE

  Mfr Comm. #:

  09-06-04-026Z

  Date Added:

  January 23, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (144)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Tahoe2025 Chevrolet Trailblazer2025 Chevrolet Traverse+ 124 more
  Associated Documents

  • DownloadMC-11013069-0001.pdf↗
• January 7, 2025•Document ID: 11012936

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6313

  Date Added:

  January 20, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates confusion with the DTC naming of the frontview camera module and when dealership see the naming of the K124 Image Processing Module 1 - Processor 1  it is the B174W Front View Camera - Windshield.

  Associated Products (15)

  2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac XT42025 Chevrolet Tahoe2025 GMC Acadia2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Traverse2024 GMC Acadia2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11012936-0001.pdf↗
• January 7, 2025•Document ID: 11012929

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20-NA-132

  Date Added:

  January 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012929-0001.pdf↗
• January 4, 2025•Document ID: 11012930

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  07-00-89-037U

  Date Added:

  January 18, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012930-0001.pdf↗
• January 2, 2025•Document ID: 11013072

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-113

  Date Added:

  January 23, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.

  Associated Products (17)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Lyriq2024 Cadillac XT42024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11013072-0001.pdf↗
• December 16, 2024•Document ID: 11012889

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-193

  Date Added:

  January 16, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides repair information on software release Update W52E-176.1.2-M170-SQBR5-250.2 to correct customer concern of radio software issues.

  Associated Products (8)

  2025 Buick Enclave2025 Cadillac CT52025 Chevrolet Equinox2024 Buick Envision2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Traverse2024 GMC Acadia
  Associated Documents

  • DownloadMC-11012889-0001.pdf↗
• December 16, 2024•Document ID: 11012887

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-132

  Date Added:

  January 16, 2025

  Manufacturer:

  GMC

  Summary

  Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.

  Associated Products (13)

  2025 Cadillac Lyriq2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Lyriq2024 Cadillac XT42024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11012887-0001.pdf↗
• December 16, 2024•Document ID: 11012001

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6265B

  Date Added:

  December 20, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.

  Associated Products (39)

  2025 Buick Enclave2025 Buick Envision2025 Cadillac CT42025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Hummer EV Pickup2025 GMC Terrain2025 GMC Yukon2024 Buick Envision2024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Cadillac Lyriq2024 Cadillac XT4+ 19 more
  Associated Documents

  • DownloadMC-11012001-0001.pdf↗
• December 14, 2024•Document ID: 11012692

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-053

  Date Added:

  January 9, 2025

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.

  Associated Products (134)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 114 more
  Associated Documents

  • DownloadMC-11012692-0001.pdf↗
• December 14, 2024•Document ID: 11012691

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  22-NA-038

  Date Added:

  January 9, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (126)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 106 more
  Associated Documents

  • DownloadMC-11012691-0001.pdf↗
• December 14, 2024•Document ID: 11012690

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  18-NA-263

  Date Added:

  January 9, 2025

  Manufacturer:

  CADILLAC

  Summary

  This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).

  Associated Products (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012690-0001.pdf↗
• December 7, 2024•Document ID: 11012190

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-113

  Date Added:

  January 3, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.

  Associated Products (17)

  2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Lyriq2024 Cadillac XT42024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11012190-0001.pdf↗
• December 6, 2024•Document ID: 11012189

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  January 3, 2025

  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 (169)

  2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 149 more
  Associated Documents

  • DownloadMC-11012189-0001.pdf↗