Cadillac CT4 Service Bulletins

1,208 manufacturer communications on file.

• October 30, 2020•Document ID: 10183211

  Service Bulletin/Repair Instructions
  EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20NA213

  Date Added:

  November 30, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.

  Associated Products (346)

  2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado+ 326 more
  Associated Documents

  • DownloadMC-10183211-0001.pdf↗
• October 28, 2020•Document ID: 10182579

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6391D

  Date Added:

  November 16, 2020

  Manufacturer:

  CADILLAC

  Summary

  This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator.

  Associated Products (3)

  2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10182579-0001.pdf↗
• October 27, 2020•Document ID: 10182571

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5675G

  Date Added:

  November 16, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history.  That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.

  Associated Products (7)

  2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Chevrolet Blazer2020 GMC Acadia
  Associated Documents

  • DownloadMC-10182571-0001.pdf↗
• October 27, 2020•Document ID: 10183198

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA196

  Date Added:

  November 30, 2020

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes.

  Associated Products (63)

  2021 Buick Encore2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Spark2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 Chevrolet Trax2021 GMC Canyon+ 43 more
  Associated Documents

  • DownloadMC-10183198-0001.pdf↗
• October 23, 2020•Document ID: 10183782

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  1308116001F

  Date Added:

  December 7, 2020

  Manufacturer:

  CHEVROLET

  Summary

  The intent of this technical 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 (620)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 600 more
  Associated Documents

  • DownloadMC-10183782-0001.pdf↗
• October 23, 2020•Document ID: 10183126

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  16NA222

  Date Added:

  November 30, 2020

  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 (440)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 420 more
  Associated Documents

  • DownloadMC-10183126-0001.pdf↗
• October 21, 2020•Document ID: 10183788

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIE0579A

  Date Added:

  December 7, 2020

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the malfunction indicator lamp (MIL) illuminated.

  Associated Products (6)

  2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Chevrolet Blazer2020 GMC Acadia
  Associated Documents

  • DownloadMC-10183788-0001.pdf↗
• October 21, 2020•Document ID: 10182562

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5760

  Date Added:

  November 16, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of a flutter noise that can be transmitted through the engine mounts when the vehicle is operating in AFM mode.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10182562-0001.pdf↗
• October 21, 2020•Document ID: 10183779

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL

  Mfr Comm. #:

  050604022R

  Date Added:

  December 7, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

  Associated Products (527)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban+ 507 more
  Associated Documents

  • DownloadMC-10183779-0001.pdf↗
• October 20, 2020•Document ID: 10182560

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6390B

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a parts restriction is in place for the Central Gateway Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette.

  Associated Products (3)

  2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10182560-0001.pdf↗
• October 14, 2020•Document ID: 10182554

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5675F

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history.  That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.

  Associated Products (9)

  2021 Chevrolet Trailblazer2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Chevrolet Blazer2020 GMC Acadia2019 Cadillac XT4
  Associated Documents

  • DownloadMC-10182554-0001.pdf↗
• October 12, 2020•Document ID: 10182549

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIC6407D

  Date Added:

  November 16, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.

  Associated Products (4)

  2021 Chevrolet Corvette2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10182549-0001.pdf↗
• October 9, 2020•Document ID: 10183780

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  060089026Q

  Date Added:

  December 7, 2020

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (267)

  2021 Buick Enclave2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 247 more
  Associated Documents

  • DownloadMC-10183780-0001.pdf↗
• October 1, 2020•Document ID: 10183218

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

  Mfr Comm. #:

  N202308320

  Date Added:

  November 30, 2020

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program - Certain 2020 model year Cadillac CT4, CT5, and Chevrolet Corvette vehicles, equipped with the Cadillac User Experience with embedded navigation or the Infotainment 3 premium system w/navigation (RPO IOT), may have a condition where the radio display is non-functional except for the backup camera. The embedded Multi-Media Controller (eMMC) firmware contains a defect that could cause a continuous rebooting condition. Rebooting will continue even after shutdown, resulting in a battery drain for the affected vehicle, and possibly a dead battery and a no-start condition. Dealers will replace the radio receiver.

  Associated Products (3)

  2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10183218-0001.pdf↗
• September 30, 2020•Document ID: 10181724

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

  Mfr Comm. #:

  110089005P

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

  This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

  Associated Products (369)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 349 more
  Associated Documents

  • DownloadMC-10181724-0001.pdf↗
• September 30, 2020•Document ID: 10181178

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5755

  Date Added:

  October 19, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of a engine oil leak that may occur at the cam carrier gasket T joint area due to improper amount of sealer be applied

  Associated Products (16)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet Blazer2020 GMC Acadia2019 Cadillac CT62019 Cadillac XT4
  Associated Documents

  • DownloadMC-10181178-0001.pdf↗
• September 29, 2020•Document ID: 10181675

  Service Bulletin/Repair Instructions
  STRUCTURE:BODY; EQUIPMENT

  Mfr Comm. #:

  18NA306

  Date Added:

  October 26, 2020

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (400)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer+ 380 more
  Associated Documents

  • DownloadMC-10181675-0001.pdf↗
• September 28, 2020•Document ID: 10181170

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6391C

  Date Added:

  October 19, 2020

  Manufacturer:

  CADILLAC

  Summary

  This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator.

  Associated Products (3)

  2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10181170-0001.pdf↗
• September 21, 2020•Document ID: 10181154

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6387B

  Date Added:

  October 19, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a parts restriction is in place for the Short Range Radar Module on 2020 Cadillac CT4, and CT5.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10181154-0001.pdf↗
• September 21, 2020•Document ID: 10181152

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6394B

  Date Added:

  October 19, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a parts restriction is in place for the Image Processing Module on 2020 Cadillac CT4, and CT5.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10181152-0001.pdf↗