Cadillac CT4 Service Bulletins (2022)

739 manufacturer communications on file.

• November 29, 2022•Document ID: 10227674

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  PIT3271N

  Date Added:

  December 12, 2022

  Manufacturer:

  GMC

  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 (106)

  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 Malibu+ 86 more
  Associated Documents

  • DownloadMC-10227674-0001.pdf↗
• November 29, 2022•Document ID: 10227673

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  PIT5883F

  Date Added:

  December 12, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates vehicles being built without certain options due to a parts shortage.

  Associated Products (39)

  2023 Buick Enclave2023 Buick Encore GX2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Terrain2023 GMC Yukon XL2022 Buick Enclave+ 19 more
  Associated Documents

  • DownloadMC-10227673-0001.pdf↗
• November 21, 2022•Document ID: 10227671

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIT5832D

  Date Added:

  December 12, 2022

  Manufacturer:

  CHEVROLET

  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 (25)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon XL2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon XL2021 Buick Envision2021 Cadillac CT42021 Cadillac CT5+ 5 more
  Associated Documents

  • DownloadMC-10227671-0001.pdf↗
• November 18, 2022•Document ID: 10227669

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

  Mfr Comm. #:

  PIP5889

  Date Added:

  December 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of dtc p0299 due to a stuck open Charge Air Bypass Valve

  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-10227669-0001.pdf↗
• November 18, 2022•Document ID: 10227291

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  22-NA-235

  Date Added:

  December 6, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using Samsung Phones at Offset Positions.

  Associated Products (53)

  2023 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 Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 Chevrolet Traverse+ 33 more
  Associated Documents

  • DownloadMC-10227291-0001.pdf↗
• November 18, 2022•Document ID: 10227288

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  22-NA-232

  Date Added:

  December 6, 2022

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.

  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-10227288-0001.pdf↗
• November 18, 2022•Document ID: 10227241

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

  Mfr Comm. #:

  20-NA-138

  Date Added:

  December 6, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.

  Associated Products (89)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer+ 69 more
  Associated Documents

  • DownloadMC-10227241-0001.pdf↗
• November 17, 2022•Document ID: 10226240

  Service Bulletin/Repair Instructions
  SEATS

  Mfr Comm. #:

  N212354520-02

  Date Added:

  November 18, 2022

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beginning November 15, 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 front seat heater control module, reprogram the body control module and on some vehicles, reprogram the HVAC control module. Note: Some vehicles may also require an additional retrofit of the Left and Right Front Seat Cushion Ventilation Blower in order to restore full functionality of the ventilated seats. Vehicles built with this condition can be identified by RPO 04O. Use IVH to verify if the vehicle is currently eligible in the Front Seat Cushion Vent Blowers Retrofit bulletin N222378560. If so, both retrofits should be performed at the same time.

  Associated Products (20)

  2023 Buick Encore GX2023 Cadillac CT42023 Cadillac CT52023 Chevrolet Trailblazer2022 Buick Enclave2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Malibu2022 Chevrolet Trailblazer2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Canyon2022 GMC Terrain
  Associated Documents

  • DownloadMC-10226240-0001.pdf↗
• November 9, 2022•Document ID: 10227056

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-074

  Date Added:

  December 3, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

  Associated Products (97)

  2023 Buick Enclave2023 Buick Encore2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer+ 77 more
  Associated Documents

  • DownloadMC-10227056-0001.pdf↗
• November 3, 2022•Document ID: 10225765

  Service Bulletin/Repair Instructions
  SEATS

  Mfr Comm. #:

  N222378560

  Date Added:

  November 3, 2022

  Manufacturer:

  GMC

  Summary

  Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front driver and passenger seat cushion ventilation blowers are not functional on certain 2022-2023 model year vehicles listed above, built beginning March 30, 2022. Dealers are to replace the non-functional seat cushion ventilation blower with a functional one. Note: Some vehicles may also require the Heated/Ventilated Seat retrofit which must be performed prior to completing this procedure. Use IVH to verify if the vehicle is involved in the Heated/Ventilated Seats Retrofit (N212354520 or N212354522).

  Associated Products (8)

  2023 Buick Enclave2023 Cadillac XT42023 GMC Acadia2022 Buick Enclave2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 GMC Acadia
  Associated Documents

  • DownloadMC-10225765-0001.pdf↗
• November 1, 2022•Document ID: 10227654

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

  Mfr Comm. #:

  PIT5851B

  Date Added:

  December 12, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.

  Associated Products (24)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon XL2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon XL2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV+ 4 more
  Associated Documents

  • DownloadMC-10227654-0001.pdf↗
• October 25, 2022•Document ID: 10225711

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

  Mfr Comm. #:

  22-NA-214

  Date Added:

  November 3, 2022

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides a procedure to repair a customer concern of Stop/Start System Inhibited / IBS / Battery Monitor with Module Malfunction Indicator Light (MIL) Illuminated - DTC U152D, P15FF, P305D, P305E, U01B0 Set.

  Associated Products (30)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XL+ 10 more
  Associated Documents

  • DownloadMC-10225711-0001.pdf↗
• October 24, 2022•Document ID: 10225669

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-204

  Date Added:

  November 3, 2022

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides possible engine noises that may require the engine to be replace if such noises have been validated to be coming from the areas indicated in the bulletin.

  Associated Products (14)

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

  • DownloadMC-10225669-0001.pdf↗
• October 19, 2022•Document ID: 10225615

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-205

  Date Added:

  November 2, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on Module Harvesting.

  Associated Products (93)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Yukon2022 Buick Enclave+ 73 more
  Associated Documents

  • DownloadMC-10225615-0001.pdf↗
• October 18, 2022•Document ID: 10226381

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5887

  Date Added:

  November 21, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of a normal balance shaft gear whine noise to exist in the engine and is normally most audible at or above 1500rpm. This noise does not create any reliabilty or durability issues with the engine.

  Associated Products (2)

  2023 Cadillac CT42022 Cadillac CT4
  Associated Documents

  • DownloadMC-10226381-0001.pdf↗
• October 17, 2022•Document ID: 10225606

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

  Mfr Comm. #:

  21-NA-244

  Date Added:

  November 2, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition.

  Associated Products (20)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon2022 GMC Yukon XL2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Corvette2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10225606-0001.pdf↗
• October 10, 2022•Document ID: 10225599

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:DOORS:LOCK

  Mfr Comm. #:

  22-NA-200

  Date Added:

  November 2, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of Child Safety Lock Update failure.

  Associated Products (4)

  2022 Cadillac CT42022 Cadillac CT52021 Cadillac CT42021 Cadillac CT5
  Associated Documents

  • DownloadMC-10225599-0001.pdf↗
• October 10, 2022•Document ID: 10225596

  Service Bulletin/Repair Instructions
  WHEELS; POWER TRAIN

  Mfr Comm. #:

  22-NA-028

  Date Added:

  November 2, 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-10225596-0001.pdf↗
• October 7, 2022•Document ID: 10224820

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

  Mfr Comm. #:

  10-00-89-006I

  Date Added:

  October 28, 2022

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (83)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Yukon2022 Buick Enclave+ 63 more
  Associated Documents

  • DownloadMC-10224820-0001.pdf↗
• October 4, 2022•Document ID: 10226357

  Service Bulletin/Repair Instructions
  STRUCTURE; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT5946

  Date Added:

  November 21, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.

  Associated Products (24)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Yukon XL2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade ESV+ 4 more
  Associated Documents

  • DownloadMC-10226357-0001.pdf↗