Cadillac CT4 Service Bulletins (2022)

739 manufacturer communications on file.

• September 13, 2022•Document ID: 10222732

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  00-06-01-012L

  Date Added:

  October 8, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.

  Associated Products (85)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT4+ 65 more
  Associated Documents

  • DownloadMC-10222732-0001.pdf↗
• September 9, 2022•Document ID: 10222650

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-222

  Date Added:

  October 7, 2022

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (85)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT4+ 65 more
  Associated Documents

  • DownloadMC-10222650-0001.pdf↗
• September 9, 2022•Document ID: 10222649

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

  Mfr Comm. #:

  11-00-89-005U

  Date Added:

  October 7, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  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-10222649-0001.pdf↗
• September 9, 2022•Document ID: 10222205

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  00-06-01-026P

  Date Added:

  September 30, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

  Associated Products (84)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT5+ 64 more
  Associated Documents

  • DownloadMC-10222205-0001.pdf↗
• September 8, 2022•Document ID: 10222661

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21-NA-068

  Date Added:

  October 7, 2022

  Manufacturer:

  BUICK

  Summary

  This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.

  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-10222661-0001.pdf↗
• September 7, 2022•Document ID: 10222670

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  22-NA-184

  Date Added:

  October 7, 2022

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal.

  Associated Products (12)

  2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Express2022 GMC Canyon2022 GMC Savana2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Express2021 GMC Canyon2021 GMC Savana
  Associated Documents

  • DownloadMC-10222670-0001.pdf↗
• September 1, 2022•Document ID: 10220319

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  22-NA-181

  Date Added:

  September 19, 2022

  Manufacturer:

  CADILLAC

  Summary

  This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.

  Associated Products (89)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision+ 69 more
  Associated Documents

  • DownloadMC-10220319-0001.pdf↗
• September 1, 2022•Document ID: 10220314

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

  Mfr Comm. #:

  22-NA-176

  Date Added:

  September 19, 2022

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair.

  Associated Products (20)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2022 Cadillac CT42022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Camaro2022 Chevrolet Express2022 Chevrolet Tahoe2022 GMC Savana2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac CT42021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Chevrolet Camaro2021 Chevrolet Express2021 Chevrolet Tahoe2021 GMC Savana2021 GMC Yukon2021 GMC Yukon XL
  Associated Documents

  • DownloadMC-10220314-0001.pdf↗
• September 1, 2022•Document ID: 10220308

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  05-00-89-029E

  Date Added:

  September 19, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.

  Associated Products (91)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX+ 71 more
  Associated Documents

  • DownloadMC-10220308-0001.pdf↗
• August 30, 2022•Document ID: 10219389

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21-NA-061

  Date Added:

  September 8, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).

  Associated Products (90)

  2023 Buick Enclave2023 Cadillac Escalade2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Yukon2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision+ 70 more
  Associated Documents

  • DownloadMC-10219389-0001.pdf↗
• August 25, 2022•Document ID: 10219284

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

  Mfr Comm. #:

  18-NA-306

  Date Added:

  September 7, 2022

  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 (82)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV+ 62 more
  Associated Documents

  • DownloadMC-10219284-0001.pdf↗
• August 24, 2022•Document ID: 10219362

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  22-NA-174

  Date Added:

  September 7, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Terms and Conditions/Privacy Statement App (TCPS App) Guide for infotainment systems in a default factory demo mode.

  Associated Products (31)

  2022 Buick Enclave2022 Buick Encore GX2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Equinox2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Terrain2021 Buick Enclave2021 Buick Encore GX2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT5+ 11 more
  Associated Documents

  • DownloadMC-10219362-0001.pdf↗
• August 23, 2022•Document ID: 10219380

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIE0716

  Date Added:

  September 8, 2022

  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 oil leaking from the oil pan.

  Associated Products (8)

  2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia
  Associated Documents

  • DownloadMC-10219380-0001.pdf↗
• August 22, 2022•Document ID: 10219278

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

  Mfr Comm. #:

  11-00-89-005T

  Date Added:

  September 7, 2022

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (86)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV+ 66 more
  Associated Documents

  • DownloadMC-10219278-0001.pdf↗
• August 19, 2022•Document ID: 10217937

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  N222379650

  Date Added:

  August 19, 2022

  Manufacturer:

  CADILLAC

  Summary

  UPDATE: Initial Lifting of Stop Delivery Order for N222379650 Hood Insulator Build Shy

  Associated Products (16)

  2022 Buick Enclave2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Malibu2022 Chevrolet Traverse2022 GMC Acadia2022 GMC Canyon
  Associated Documents

  • DownloadMC-10217937-0001.pdf↗
• August 15, 2022•Document ID: 10219266

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20-NA-065

  Date Added:

  September 7, 2022

  Manufacturer:

  BUICK

  Summary

  This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.

  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-10219266-0001.pdf↗
• August 10, 2022•Document ID: 10218873

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-044

  Date Added:

  August 29, 2022

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

  Associated Products (66)

  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 5500HD2022 Chevrolet Blazer2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Corvette2022 Chevrolet Equinox+ 46 more
  Associated Documents

  • DownloadMC-10218873-0001.pdf↗
• July 25, 2022•Document ID: 10217107

  Service Bulletin/Repair Instructions
  EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  21-NA-189

  Date Added:

  August 4, 2022

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on Super Cruise Escalation Cancellation.

  Associated Products (13)

  2023 Cadillac Lyriq2023 Cadillac XT62023 GMC Hummer EV Pickup2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT62022 GMC Hummer EV Pickup2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac Escalade ESV
  Associated Documents

  • DownloadMC-10217107-0001.pdf↗
• July 22, 2022•Document ID: 10217043

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

  Mfr Comm. #:

  04-00-89-015X

  Date Added:

  August 3, 2022

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (84)

  2023 Buick Enclave2023 Cadillac Lyriq2023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2022 Buick Enclave2022 Buick Encore2022 Buick Encore GX2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Cadillac XT5+ 64 more
  Associated Documents

  • DownloadMC-10217043-0001.pdf↗
• July 20, 2022•Document ID: 10217060

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  21-NA-244

  Date Added:

  August 3, 2022

  Manufacturer:

  BUICK

  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-10217060-0001.pdf↗