Cadillac CT4 Service Bulletins (2024)

397 manufacturer communications on file.

• March 6, 2024•Document ID: 10253066

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  PIP5843D

  Date Added:

  April 15, 2024

  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 (19)

  2024 Cadillac CT42024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2024 GMC Sierra2023 Cadillac CT42023 Chevrolet Silverado2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Silverado2021 GMC Sierra2020 Cadillac CT42020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10253066-0001.pdf↗
• March 5, 2024•Document ID: 10253062

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

  Mfr Comm. #:

  PIP5863B

  Date Added:

  April 15, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.

  Associated Products (56)

  2024 Buick Envision2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Acadia2024 GMC Canyon2024 GMC Sierra2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Colorado+ 36 more
  Associated Documents

  • DownloadMC-10253062-0001.pdf↗
• March 4, 2024•Document ID: 10251635

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

  Mfr Comm. #:

  24-NA-040

  Date Added:

  March 15, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.

  Associated Products (427)

  2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express+ 407 more
  Associated Documents

  • DownloadMC-10251635-0001.pdf↗
• March 1, 2024•Document ID: 10251525

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIE0782

  Date Added:

  March 7, 2024

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).

  Associated Products (41)

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  Associated Documents

  • DownloadMC-10251525-0001.pdf↗
• March 1, 2024•Document ID: 10251513

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  17-NA-073

  Date Added:

  March 7, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

  Associated Products (638)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu+ 618 more
  Associated Documents

  • DownloadMC-10251513-0001.pdf↗
• February 27, 2024•Document ID: 10251720

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5968

  Date Added:

  March 18, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.

  Associated Products (82)

  2024 Cadillac CT42024 Chevrolet Express2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado+ 62 more
  Associated Documents

  • DownloadMC-10251720-0001.pdf↗
• February 23, 2024•Document ID: 10251715

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP5966

  Date Added:

  March 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement

  Associated Products (82)

  2024 Cadillac CT42024 Chevrolet Express2023 Cadillac CT42023 Chevrolet Camaro2023 Chevrolet Colorado2023 Chevrolet Express2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Silverado2022 GMC Canyon2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado+ 62 more
  Associated Documents

  • DownloadMC-10251715-0001.pdf↗
• February 22, 2024•Document ID: 10250775

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-074

  Date Added:

  February 29, 2024

  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 (1146)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 1126 more
  Associated Documents

  • DownloadMC-10250775-0001.pdf↗
• February 14, 2024•Document ID: 10250566

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  20-NA-018

  Date Added:

  February 23, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).

  Associated Products (62)

  2024 BrightDrop Zevo2024 Buick Envision2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo+ 42 more
  Associated Documents

  • DownloadMC-10250566-0001.pdf↗
• February 9, 2024•Document ID: 10250515

  Service Bulletin/Repair Instructions
  EQUIPMENT; SERVICE BRAKES, HYDRAULIC

  Mfr Comm. #:

  24-NA-031

  Date Added:

  February 23, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.

  Associated Products (11)

  2024 Cadillac CT42024 Cadillac CT52024 Chevrolet Corvette2023 Cadillac CT42023 Cadillac CT52023 Chevrolet Corvette2022 Cadillac CT42022 Cadillac CT52022 Chevrolet Corvette2021 Chevrolet Corvette2020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10250515-0001.pdf↗
• February 7, 2024•Document ID: 10250505

  Service Bulletin/Repair Instructions
  FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

  Mfr Comm. #:

  19-NA-044

  Date Added:

  February 21, 2024

  Manufacturer:

  BUICK

  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 (629)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 609 more
  Associated Documents

  • DownloadMC-10250505-0001.pdf↗
• February 7, 2024•Document ID: 10250503

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-222

  Date Added:

  February 21, 2024

  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 (595)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 575 more
  Associated Documents

  • DownloadMC-10250503-0001.pdf↗
• February 6, 2024•Document ID: 10251684

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  PIC6538

  Date Added:

  March 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates that a repeat brake pulsation maybe cause by a customer painting the wheels and paint being on the hub surface of the wheel.

  Associated Products (6)

  2024 Cadillac CT42024 Cadillac CT52023 Cadillac CT42023 Cadillac CT52022 Cadillac CT42022 Cadillac CT5
  Associated Documents

  • DownloadMC-10251684-0001.pdf↗
• February 2, 2024•Document ID: 10250347

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

  Mfr Comm. #:

  16-NA-338

  Date Added:

  February 17, 2024

  Manufacturer:

  GMC

  Summary

  This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.

  Associated Products (733)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban+ 713 more
  Associated Documents

  • DownloadMC-10250347-0001.pdf↗
• January 31, 2024•Document ID: 10250007

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT6097C

  Date Added:

  February 12, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.

  Associated Products (99)

  2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer+ 79 more
  Associated Documents

  • DownloadMC-10250007-0001.pdf↗
• January 30, 2024•Document ID: 10250276

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-055

  Date Added:

  February 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) – FAQs.

  Associated Products (201)

  2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express+ 181 more
  Associated Documents

  • DownloadMC-10250276-0001.pdf↗
• January 29, 2024•Document ID: 10250278

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-189

  Date Added:

  February 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present on network communication circuits.

  Associated Products (201)

  2024 BrightDrop Zevo2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express+ 181 more
  Associated Documents

  • DownloadMC-10250278-0001.pdf↗
• January 26, 2024•Document ID: 10250258

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  23-NA-214

  Date Added:

  February 14, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.

  Associated Products (69)

  2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Silverado2024 Chevrolet Trailblazer2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Acadia2024 GMC Canyon2024 GMC Sierra2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT4+ 49 more
  Associated Documents

  • DownloadMC-10250258-0001.pdf↗
• January 18, 2024•Document ID: 10250244

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PI0281K

  Date Added:

  February 14, 2024

  Manufacturer:

  GMC

  Summary

  This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

  Associated Products (642)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu+ 622 more
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• January 16, 2024•Document ID: 10249590

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

  Mfr Comm. #:

  18-NA-099

  Date Added:

  February 2, 2024

  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 (979)

  2024 Buick Enclave2024 Buick Encore2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Express2024 Chevrolet Malibu+ 959 more
  Associated Documents

  • DownloadMC-10249590-0001.pdf↗