Cadillac XT4 Service Bulletins (2021)

683 manufacturer communications on file.

• April 3, 2023•Document ID: 10236130

  Service Bulletin/Repair Instructions
  COMMUNICATION: AUTO CRASH NOTIFICATION

  Mfr Comm. #:

  PIT5971B

  Date Added:

  May 15, 2023

  Manufacturer:

  BUICK

  Summary

  This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.

  Associated Products (54)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Terrain2023 GMC Yukon XL+ 34 more
  Associated Documents

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• April 3, 2023•Document ID: 10235405

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-064

  Date Added:

  May 3, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

  Associated Products (115)

  2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Traverse2024 Chevrolet Trax2024 GMC Hummer EV SUV2024 GMC Terrain2023 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 4500HD2023 Chevrolet 5500HD+ 95 more
  Associated Documents

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• March 31, 2023•Document ID: 10234186

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; BACK OVER PREVENTION; EQUIPMENT

  Mfr Comm. #:

  23-NA-062

  Date Added:

  April 14, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides repair information to correct a customer concern of Rear View Camera Coaxial Related Issues - DTCs B395A, B395B, B395C, B101E, B101D.

  Associated Products (35)

  2023 Buick Enclave2023 Buick Encore GX2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Equinox2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Terrain2022 Buick Enclave2022 Buick Encore GX2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV+ 15 more
  Associated Documents

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• March 23, 2023•Document ID: 10234163

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-055

  Date Added:

  April 14, 2023

  Manufacturer:

  GMC

  Summary

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

  Associated Products (112)

  2024 Chevrolet Blazer2024 Chevrolet Traverse2024 Chevrolet Trax2023 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 4500HD2023 Chevrolet 5500HD2023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV+ 92 more
  Associated Documents

  • DownloadMC-10234163-0001.pdf↗
• March 23, 2023•Document ID: 10234141

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-219

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.

  Associated Products (87)

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  Associated Documents

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• March 20, 2023•Document ID: 10234145

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING; STRUCTURE

  Mfr Comm. #:

  21-NA-151

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides repair information to correct a customer concern of seeing front headlamp protective tape peeling.

  Associated Products (3)

  2023 Cadillac XT42022 Cadillac XT42021 Cadillac XT4
  Associated Documents

  • DownloadMC-10234145-0001.pdf↗
• March 20, 2023•Document ID: 10234147

  Service Bulletin/Repair Instructions
  EQUIPMENT; STRUCTURE

  Mfr Comm. #:

  22-NA-018

  Date Added:

  April 13, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).

  Associated Products (134)

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  Associated Documents

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• March 20, 2023•Document ID: 10234144

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

  Mfr Comm. #:

  21-NA-043

  Date Added:

  April 13, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

  Associated Products (110)

  2024 Chevrolet Blazer2024 Chevrolet Traverse2024 Chevrolet Trax2023 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 Colorado+ 90 more
  Associated Documents

  • DownloadMC-10234144-0001.pdf↗
• March 20, 2023•Document ID: 10234142

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  20-NA-082

  Date Added:

  April 13, 2023

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.

  Associated Products (28)

  2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Cadillac XT42022 Chevrolet Express2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Canyon2022 GMC Savana2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT4+ 8 more
  Associated Documents

  • DownloadMC-10234142-0001.pdf↗
• March 17, 2023•Document ID: 10234110

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  22-NA-009

  Date Added:

  April 12, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (100)

  2024 Chevrolet Trax2023 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 Tahoe+ 80 more
  Associated Documents

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• March 17, 2023•Document ID: 10233969

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  18-NA-073

  Date Added:

  April 7, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

  Associated Products (126)

  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 Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 106 more
  Associated Documents

  • DownloadMC-10233969-0001.pdf↗
• March 17, 2023•Document ID: 10233835

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  16-NA-222

  Date Added:

  April 6, 2023

  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 (101)

  2024 Chevrolet Trax2023 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 Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban+ 81 more
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  • DownloadMC-10233835-0001.pdf↗
• March 17, 2023•Document ID: 10233830

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  00-06-01-026Q

  Date Added:

  April 6, 2023

  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 (126)

  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 Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 106 more
  Associated Documents

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• March 17, 2023•Document ID: 10233829

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  00-06-01-012M

  Date Added:

  April 6, 2023

  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 (100)

  2024 Chevrolet Trax2023 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 Tahoe+ 80 more
  Associated Documents

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• March 16, 2023•Document ID: 10234222

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT5971A

  Date Added:

  April 17, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.

  Associated Products (54)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Hummer EV Pickup2023 GMC Terrain2023 GMC Yukon XL+ 34 more
  Associated Documents

  • DownloadMC-10234222-0001.pdf↗
• March 16, 2023•Document ID: 10234107

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21-NA-061

  Date Added:

  April 12, 2023

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.

  Associated Products (107)

  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+ 87 more
  Associated Documents

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• March 16, 2023•Document ID: 10234105

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  19-NA-237

  Date Added:

  April 12, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin explains how to identify possible DEF system contamination.

  Associated Products (27)

  2024 GMC Hummer EV SUV2024 GMC Terrain2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac XT42023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac Escalade ESV2022 Cadillac XT42022 Chevrolet Colorado2022 Chevrolet Express2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Savana2022 GMC Yukon2022 GMC Yukon XL2021 Cadillac Escalade ESV2021 Cadillac XT4+ 7 more
  Associated Documents

  • DownloadMC-10234105-0001.pdf↗
• March 16, 2023•Document ID: 10233831

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  07-06-01-016I

  Date Added:

  April 6, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.

  Associated Products (101)

  2024 Chevrolet Trax2023 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 Camaro2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Suburban+ 81 more
  Associated Documents

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• March 15, 2023•Document ID: 10234219

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

  Mfr Comm. #:

  PIP5841C

  Date Added:

  April 17, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.

  Associated Products (24)

  2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 GMC Acadia2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT4+ 4 more
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  • DownloadMC-10234219-0001.pdf↗
• March 15, 2023•Document ID: 10234117

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-042

  Date Added:

  April 12, 2023

  Manufacturer:

  GMC

  Summary

  This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.

  Associated Products (55)

  2023 Buick Enclave2023 Buick Encore GX2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 Chevrolet Camaro2023 Chevrolet Corvette2023 Chevrolet Equinox2023 Chevrolet Malibu2023 Chevrolet Trailblazer2023 Chevrolet Traverse2023 GMC Acadia2023 GMC Terrain2022 Buick Enclave+ 35 more
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  • DownloadMC-10234117-0001.pdf↗