Cadillac CT4 Service Bulletins

1,208 manufacturer communications on file.

• January 6, 2022•Document ID: 10212588

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

  Mfr Comm. #:

  16NA222

  Date Added:

  May 31, 2022

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

  Associated Products (492)

  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 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox2022 Chevrolet Express+ 472 more
  Associated Documents

  • DownloadMC-10212588-0001.pdf↗
• January 4, 2022•Document ID: 10213767

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  1308116001G

  Date Added:

  June 13, 2022

  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 (679)

  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 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 659 more
  Associated Documents

  • DownloadMC-10213767-0001.pdf↗
• January 4, 2022•Document ID: 10213759

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE

  Mfr Comm. #:

  050604022S

  Date Added:

  June 13, 2022

  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 (574)

  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 4500HD2022 Chevrolet 5500HD2022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette+ 554 more
  Associated Documents

  • DownloadMC-10213759-0001.pdf↗
• January 4, 2022•Document ID: 10213757

  Service Bulletin/Repair Instructions
  TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

  Mfr Comm. #:

  000090002L

  Date Added:

  June 13, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.

  Associated Products (692)

  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+ 672 more
  Associated Documents

  • DownloadMC-10213757-0001.pdf↗
• December 16, 2021•Document ID: 10206734

  Service Bulletin/Repair Instructions
  LANE DEPARTURE: SENSING SYSTEM: OTHER; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE

  Mfr Comm. #:

  PIT5865A

  Date Added:

  January 24, 2022

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera.  Dealers are to replace the camera.

  Associated Products (13)

  2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10206734-0001.pdf↗
• December 15, 2021•Document ID: 10206730

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIP5675G

  Date Added:

  January 24, 2022

  Manufacturer:

  BUICK

  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-10206730-0001.pdf↗
• December 14, 2021•Document ID: 10207917

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

  Mfr Comm. #:

  21NA257

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.

  Associated Products (39)

  2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Sierra2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Malibu2021 Chevrolet Silverado+ 19 more
  Associated Documents

  • DownloadMC-10207917-0001.pdf↗
• December 14, 2021•Document ID: 10206726

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5628E

  Date Added:

  January 24, 2022

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

  Associated Products (838)

  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+ 818 more
  Associated Documents

  • DownloadMC-10206726-0001.pdf↗
• December 13, 2021•Document ID: 10207916

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  21NA256

  Date Added:

  February 14, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.

  Associated Products (37)

  2022 Buick Encore2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Chevrolet Blazer2022 Chevrolet Silverado2022 GMC Acadia2022 GMC Sierra2021 Buick Encore2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Chevrolet Blazer2021 Chevrolet Silverado2021 GMC Acadia2021 GMC Sierra+ 17 more
  Associated Documents

  • DownloadMC-10207916-0001.pdf↗
• November 30, 2021•Document ID: 10205597

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21NA281

  Date Added:

  December 27, 2021

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.

  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-10205597-0001.pdf↗
• November 29, 2021•Document ID: 10205595

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  21NA279

  Date Added:

  December 27, 2021

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (25)

  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 Acadia2020 Cadillac CT42020 Cadillac CT52020 Cadillac XT42020 Cadillac XT5+ 5 more
  Associated Documents

  • DownloadMC-10205595-0001.pdf↗
• November 17, 2021•Document ID: 10205588

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  21NA269

  Date Added:

  December 27, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of Instrument Panel Cluster DIC Intermittent Blank Screen.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10205588-0001.pdf↗
• November 17, 2021•Document ID: 10205548

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION; EQUIPMENT

  Mfr Comm. #:

  21NA091

  Date Added:

  December 27, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display.

  Associated Products (29)

  2022 Chevrolet 35002022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Chevrolet 35002021 Chevrolet Corvette2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Sierra2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT52020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT4+ 9 more
  Associated Documents

  • DownloadMC-10205548-0001.pdf↗
• November 16, 2021•Document ID: 10205752

  Service Bulletin/Repair Instructions
  EQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0672

  Date Added:

  January 3, 2022

  Manufacturer:

  CHEVROLET

  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 Check Engine Lamp illuminated on the Driver Information Center (DIC) to determine root cause.

  Associated Products (8)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Chevrolet Corvette2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10205752-0001.pdf↗
• November 16, 2021•Document ID: 10205544

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; STEERING

  Mfr Comm. #:

  20NA178

  Date Added:

  December 27, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to correct a customer concern of Service Driver Assist and/or Take Steering Messages on Start-up, Advanced Driver Assist Systems (ADAS) Features Not Available with DTCs U1614, U1615, U1616 Set.

  Associated Products (8)

  2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10205544-0001.pdf↗
• November 12, 2021•Document ID: 10205577

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

  Mfr Comm. #:

  21NA257

  Date Added:

  December 27, 2021

  Manufacturer:

  GMC

  Summary

  This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set.

  Associated Products (36)

  2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Silverado2022 Chevrolet Trailblazer2022 GMC Acadia2022 GMC Sierra2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Silverado2021 Chevrolet Trailblazer+ 16 more
  Associated Documents

  • DownloadMC-10205577-0001.pdf↗
• November 9, 2021•Document ID: 10204445

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6443A

  Date Added:

  December 13, 2021

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a condtion with service parts and a software anomaly that does not allow them to be programmed to the vehicle. The S165 Infotainment switch inventory will be reworked and released back to service.

  Associated Products (4)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV
  Associated Documents

  • DownloadMC-10204445-0001.pdf↗
• November 9, 2021•Document ID: 10205576

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS; EXTERIOR LIGHTING; EQUIPMENT

  Mfr Comm. #:

  21NA256

  Date Added:

  December 27, 2021

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.

  Associated Products (29)

  2022 Buick Encore2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Chevrolet Blazer2022 GMC Acadia2021 Buick Encore2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Chevrolet Blazer2021 GMC Acadia2020 Buick Encore2020 Buick Encore GX2020 Cadillac CT42020 Cadillac CT5+ 9 more
  Associated Documents

  • DownloadMC-10205576-0001.pdf↗
• November 8, 2021•Document ID: 10205738

  Service Bulletin/Repair Instructions
  TIRES; WHEELS

  Mfr Comm. #:

  030310007K

  Date Added:

  January 3, 2022

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.

  Associated Products (666)

  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+ 646 more
  Associated Documents

  • DownloadMC-10205738-0001.pdf↗
• November 8, 2021•Document ID: 10205539

  Service Bulletin/Repair Instructions
  EQUIPMENT; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19NA104

  Date Added:

  December 27, 2021

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.

  Associated Products (371)

  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+ 351 more
  Associated Documents

  • DownloadMC-10205539-0001.pdf↗