Cadillac CT4 Service Bulletins (2021)

814 manufacturer communications on file.

• March 30, 2022•Document ID: 10209981

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

  Mfr Comm. #:

  PIE0676A

  Date Added:

  April 6, 2022

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) closure ends the need for further information from the field in regards to Engine Coolant Reservoir Being Overfilled with Discolored Coolant, Shudder, Shake, Vibration, Harsh Shift, Delayed Shift and/or Slipping Transmission Performance.

  Associated Products (16)

  2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10209981-0001.pdf↗
• March 30, 2022•Document ID: 10209977

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-070

  Date Added:

  April 6, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.

  Associated Products (74)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV+ 54 more
  Associated Documents

  • DownloadMC-10209977-0001.pdf↗
• March 28, 2022•Document ID: 10210348

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP4670J

  Date Added:

  April 18, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.

  Associated Products (50)

  2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Spark2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Traverse+ 30 more
  Associated Documents

  • DownloadMC-10210348-0001.pdf↗
• March 28, 2022•Document ID: 10210347

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5839A

  Date Added:

  April 18, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of the engine running hot or overheating with no DTC's due to inaccurate coolant temperature sensor located on the coolant pump outlet pipe.

  Associated Products (16)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 GMC Acadia
  Associated Documents

  • DownloadMC-10210347-0001.pdf↗
• March 25, 2022•Document ID: 10209743

  Service Bulletin/Repair Instructions
  EQUIPMENT; WHEELS

  Mfr Comm. #:

  17-NA-052

  Date Added:

  April 5, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY).

  Associated Products (74)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV+ 54 more
  Associated Documents

  • DownloadMC-10209743-0001.pdf↗
• March 22, 2022•Document ID: 10209921

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-009

  Date Added:

  April 5, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (70)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado+ 50 more
  Associated Documents

  • DownloadMC-10209921-0001.pdf↗
• March 22, 2022•Document ID: 10209747

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

  Mfr Comm. #:

  18-NA-099

  Date Added:

  April 5, 2022

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

  Associated Products (74)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV+ 54 more
  Associated Documents

  • DownloadMC-10209747-0001.pdf↗
• March 22, 2022•Document ID: 10209734

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT:MECHANICAL

  Mfr Comm. #:

  04-06-04-051F

  Date Added:

  April 5, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

  Associated Products (55)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Spark+ 35 more
  Associated Documents

  • DownloadMC-10209734-0001.pdf↗
• March 17, 2022•Document ID: 10210334

  Service Bulletin/Repair Instructions
  ENGINE; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5844

  Date Added:

  April 18, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of dtc p06DD due to low or no oil pressure immediately following engine oil and filter change due to oil filter and main oil gallery being drained or empty.

  Associated Products (6)

  2022 Buick Encore GX2022 Cadillac CT42022 Chevrolet Trailblazer2021 Buick Encore GX2021 Cadillac CT42021 Chevrolet Trailblazer
  Associated Documents

  • DownloadMC-10210334-0001.pdf↗
• March 17, 2022•Document ID: 10210333

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5677F

  Date Added:

  April 18, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealer technician that the 10L60 and the 10L80 transmissions part restriction has ended.

  Associated Products (3)

  2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro
  Associated Documents

  • DownloadMC-10210333-0001.pdf↗
• March 15, 2022•Document ID: 10209511

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE

  Mfr Comm. #:

  PIE0661B

  Date Added:

  April 2, 2022

  Manufacturer:

  BUICK

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Forward Collision Icon Message Illuminated on Driver Information Center (DIC) and/or No DTCs Set.

  Associated Products (18)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10209511-0001.pdf↗
• March 8, 2022•Document ID: 10209137

  Service Bulletin/Repair Instructions
  SUSPENSION; WHEELS

  Mfr Comm. #:

  13-03-10-001I

  Date Added:

  March 19, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on summer tire performance and tire cold weather cracking.

  Associated Products (8)

  2022 Cadillac CT42022 Cadillac CT52022 Chevrolet Camaro2022 Chevrolet Corvette2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro2021 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10209137-0001.pdf↗
• March 7, 2022•Document ID: 10210321

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  PIT3271M

  Date Added:

  April 18, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.

  Associated Products (74)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet 35002022 Chevrolet 45002022 Chevrolet 4500HD2022 Chevrolet 4500XD2022 Chevrolet 5500HD2022 Chevrolet 5500XD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV+ 54 more
  Associated Documents

  • DownloadMC-10210321-0001.pdf↗
• March 3, 2022•Document ID: 10210315

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5843

  Date Added:

  April 18, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF  P30C7 P30CB Setting.

  Associated Products (2)

  2022 Cadillac CT42021 Cadillac CT4
  Associated Documents

  • DownloadMC-10210315-0001.pdf↗
• February 24, 2022•Document ID: 10208991

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6450

  Date Added:

  March 14, 2022

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.

  Associated Products (51)

  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 Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 31 more
  Associated Documents

  • DownloadMC-10208991-0001.pdf↗
• February 4, 2022•Document ID: 10214223

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

  Mfr Comm. #:

  21NA135

  Date Added:

  June 21, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

  Associated Products (62)

  2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu+ 42 more
  Associated Documents

  • DownloadMC-10214223-0001.pdf↗
• February 3, 2022•Document ID: 10208971

  Service Bulletin/Repair Instructions
  WHEELS; TIRES

  Mfr Comm. #:

  PIT3271L

  Date Added:

  March 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.

  Associated Products (51)

  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 Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer2022 Chevrolet Traverse+ 31 more
  Associated Documents

  • DownloadMC-10208971-0001.pdf↗
• February 1, 2022•Document ID: 10214244

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION

  Mfr Comm. #:

  22NA028

  Date Added:

  June 21, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a repair procedure to correct a customer concern of a Whining/Whirring, Whistle, Squeaking, Groaning/Growling Noise Coming from Front Wheel/Engine Area.

  Associated Products (4)

  2022 Cadillac CT42022 Cadillac CT52021 Cadillac CT42021 Cadillac CT5
  Associated Documents

  • DownloadMC-10214244-0001.pdf↗
• February 1, 2022•Document ID: 10215768

  Service Bulletin/Repair Instructions
  STRUCTURE; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22NA044

  Date Added:

  July 18, 2022

  Manufacturer:

  BUICK

  Summary

  Check Engine MIL Illuminated in DIC Set by Body Control Module with DTC P0607

  Associated Products (17)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Chevrolet Corvette2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10215768-0001.pdf↗
• January 31, 2022•Document ID: 10208076

  Service Bulletin/Repair Instructions
  COMMUNICATION: VEHICLE TO INFRASTRUCTURE

  Mfr Comm. #:

  PIT5762E

  Date Added:

  February 14, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules.

  Associated Products (14)

  2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon XL2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV2021 Chevrolet Corvette2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10208076-0001.pdf↗