Cadillac CT4 Service Bulletins

1,208 manufacturer communications on file.

• September 26, 2023•Document ID: 10247778

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5698D

  Date Added:

  December 26, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.

  Associated Products (337)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 317 more
  Associated Documents

  • DownloadMC-10247778-0001.pdf↗
• September 26, 2023•Document ID: 10244201

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

  Mfr Comm. #:

  10-00-89-006J

  Date Added:

  October 18, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).

  Associated Products (1038)

  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 Express+ 1018 more
  Associated Documents

  • DownloadMC-10244201-0001.pdf↗
• September 26, 2023•Document ID: 10244200

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

  Mfr Comm. #:

  02-00-89-002W

  Date Added:

  October 18, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).

  Associated Products (903)

  2024 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 Equinox2024 Chevrolet Malibu+ 883 more
  Associated Documents

  • DownloadMC-10244200-0001.pdf↗
• September 22, 2023•Document ID: 10244181

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  23-NA-172

  Date Added:

  October 17, 2023

  Manufacturer:

  CADILLAC

  Summary

  this service bulletin advises the technician to replace the transmission and not overhaul it to correct a customer concern of Manual Transmission Pops/Jumps Out of Third Gear After Shifting and During Acceleration.

  Associated Products (23)

  2024 Cadillac CT42024 Cadillac CT52024 Chevrolet Camaro2023 Cadillac CT42023 Chevrolet Camaro2022 Cadillac CT42022 Chevrolet Camaro2021 Chevrolet Camaro2020 Chevrolet Camaro2019 Chevrolet Camaro2018 Chevrolet Camaro2017 Chevrolet Camaro2016 Chevrolet Camaro2013 Chevrolet Corvette2012 Chevrolet Corvette2011 Chevrolet Camaro2011 Chevrolet Corvette2010 Chevrolet Camaro2010 Chevrolet Corvette2009 Chevrolet Corvette+ 3 more
  Associated Documents

  • DownloadMC-10244181-0001.pdf↗
• September 21, 2023•Document ID: 10244214

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

  Mfr Comm. #:

  07-08-49-020R

  Date Added:

  October 18, 2023

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information for the IPC odometer programming method quick reference guide.

  Associated Products (836)

  2024 GMC Savana2023 Chevrolet Express2023 GMC Savana2023 GMC Yukon XL2022 Chevrolet Equinox2022 Chevrolet Express2022 GMC Savana2021 Cadillac CT62021 Chevrolet Express2021 GMC Savana2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick LaCrosse2020 Buick Regal2020 Buick Regal TourX2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT6+ 816 more
  Associated Documents

  • DownloadMC-10244214-0001.pdf↗
• September 21, 2023•Document ID: 10244174

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  23-NA-154

  Date Added:

  October 16, 2023

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (420)

  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado+ 400 more
  Associated Documents

  • DownloadMC-10244174-0001.pdf↗
• September 19, 2023•Document ID: 10243981

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  21-NA-279

  Date Added:

  October 14, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a procedure to replace the starter if found the cause of the rattle noise.

  Associated Products (33)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT4+ 13 more
  Associated Documents

  • DownloadMC-10243981-0001.pdf↗
• September 19, 2023•Document ID: 10242556

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  N222371151-11

  Date Added:

  September 20, 2023

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. Opened more VINs for repair.

  Associated Products (16)

  2023 Cadillac XT42022 Buick Enclave2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-10242556-0001.pdf↗
• September 18, 2023•Document ID: 10243582

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  N23-241926

  Date Added:

  October 5, 2023

  Manufacturer:

  CADILLAC

  Summary

  '(There may be future updates under this same release number.)​ Your Cadillac keeps getting better. This vehicle software update includes the following: Updates made to help prevent unwanted power consumption while undergoing a vehicle software update. A variety of other minor software updates to help make your driving and in-vehicle experience better.​ Better Never Stops™​

  Associated Products (2)

  2023 Cadillac CT42023 Cadillac CT5
  Associated Documents

  • DownloadMC-10243582-0001.pdf↗
• September 18, 2023•Document ID: 10243578

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  N23-241926

  Date Added:

  October 5, 2023

  Manufacturer:

  CADILLAC

  Summary

  '(There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements: •Updates made to the overall vehicle software update process. Better Never Stops™

  Associated Products (2)

  2023 Cadillac CT42023 Cadillac CT5
  Associated Documents

  • DownloadMC-10243578-0001.pdf↗
• September 13, 2023•Document ID: 10243572

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE

  Mfr Comm. #:

  N23-241156

  Date Added:

  October 5, 2023

  Manufacturer:

  CADILLAC

  Summary

  (There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements: •Updates made to the overall vehicle software update process. Better Never Stops™

  Associated Products (2)

  2021 Cadillac CT42021 Cadillac CT5
  Associated Documents

  • DownloadMC-10243572-0001.pdf↗
• September 11, 2023•Document ID: 10242172

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

  Mfr Comm. #:

  N222395370

  Date Added:

  September 11, 2023

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program. On certain vehicles, the engine wire harness may contact the brake line, and/or brake line coupler, and/or thermostat housing at rear/top of engine. Dealers will install an anti-abrasion sleeve and secure the harness away from the brake line.

  Associated Products (2)

  2023 Cadillac CT42022 Cadillac CT4
  Associated Documents

  • DownloadMC-10242172-0001.pdf↗
• September 11, 2023•Document ID: 10242171

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  N222371151-11

  Date Added:

  September 11, 2023

  Manufacturer:

  CHEVROLET

  Summary

  Customer Satisfaction Program. Remaining CT4 and CT5 VINs released to open.

  Associated Products (18)

  2023 Cadillac XT42023 Chevrolet Silverado2023 GMC Sierra2022 Buick Enclave2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-10242171-0001.pdf↗
• September 8, 2023•Document ID: 10242844

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  17-NA-157

  Date Added:

  September 26, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.

  Associated Products (512)

  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 Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 492 more
  Associated Documents

  • DownloadMC-10242844-0001.pdf↗
• September 5, 2023•Document ID: 10243717

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

  Mfr Comm. #:

  23-NA-154

  Date Added:

  October 7, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (420)

  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado+ 400 more
  Associated Documents

  • DownloadMC-10243717-0001.pdf↗
• September 5, 2023•Document ID: 10241935

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  N222375790-07

  Date Added:

  September 6, 2023

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.

  Associated Products (16)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Chevrolet Corvette2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-10241935-0001.pdf↗
• September 5, 2023•Document ID: 10241792

  Service Bulletin/Repair Instructions
  STEERING

  Mfr Comm. #:

  N222371151-11

  Date Added:

  September 5, 2023

  Manufacturer:

  BUICK

  Summary

  Customer Satisfaction. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning November 17, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.

  Associated Products (16)

  2023 Cadillac XT42022 Buick Enclave2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Sierra2022 GMC Yukon2022 GMC Yukon XL
  Associated Documents

  • DownloadMC-10241792-0001.pdf↗
• September 1, 2023•Document ID: 10242843

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  23-NA-153

  Date Added:

  September 26, 2023

  Manufacturer:

  CHEVROLET

  Summary

  The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.

  Associated Products (948)

  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 Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 928 more
  Associated Documents

  • DownloadMC-10242843-0001.pdf↗
• September 1, 2023•Document ID: 10242842

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

  Mfr Comm. #:

  18-NA-306

  Date Added:

  September 26, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).

  Associated Products (544)

  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 Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado+ 524 more
  Associated Documents

  • DownloadMC-10242842-0001.pdf↗
• August 30, 2023•Document ID: 10242322

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

  Mfr Comm. #:

  PIT5832J

  Date Added:

  September 18, 2023

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

  Associated Products (49)

  2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette+ 29 more
  Associated Documents

  • DownloadMC-10242322-0001.pdf↗