Cadillac XT4 Service Bulletins (2024)

522 manufacturer communications on file.

• November 22, 2024•Document ID: 11011900

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  19-NA-219

  Date Added:

  December 17, 2024

  Manufacturer:

  GMC

  Summary

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

  Associated Products (479)

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  Associated Documents

  • DownloadMC-11011900-0001.pdf↗
• November 21, 2024•Document ID: 11011339

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIP6025

  Date Added:

  December 4, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates possible transmission fluid leak in the torque converter housing area from loose pump bolts.

  Associated Products (21)

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  Associated Documents

  • DownloadMC-11011339-0001.pdf↗
• November 18, 2024•Document ID: 11011904

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-NA-181

  Date Added:

  December 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.

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  Associated Documents

  • DownloadMC-11011904-0001.pdf↗
• November 15, 2024•Document ID: 11011860

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  24-NA-113

  Date Added:

  December 16, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.

  Associated Products (23)

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  Associated Documents

  • DownloadMC-11011860-0001.pdf↗
• November 14, 2024•Document ID: 11010722

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N24-247003

  Date Added:

  November 21, 2024

  Manufacturer:

  CADILLAC

  Summary

  Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: · Updates to driver assist alerts · Various software updates and improvements to customer experience​ · Improves screen brightness controls in night mode · Updates to vehicle theft features · Improvements to data & serial modules · Updates to screen blackout during vehicle reverse

  Associated Products (1)

  2024 Cadillac XT4
  Associated Documents

  • DownloadMC-11010722-0001.pdf↗
• November 14, 2024•Document ID: 11010712

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N24-247003

  Date Added:

  November 21, 2024

  Manufacturer:

  CADILLAC

  Summary

  Great News! Your vehicle keeps getting better. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. Better Never Stops™

  Associated Products (1)

  2024 Cadillac XT4
  Associated Documents

  • DownloadMC-11010712-0001.pdf↗
• November 8, 2024•Document ID: 11011212

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6265A

  Date Added:

  December 4, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.

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  Associated Documents

  • DownloadMC-11011212-0001.pdf↗
• November 5, 2024•Document ID: 11011709

  Service Bulletin/Repair Instructions
  SERVICE BRAKES; STRUCTURE:BODY; WHEELS; UNKNOWN OR OTHER; ENGINE

  Mfr Comm. #:

  21-NA-043

  Date Added:

  December 10, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This 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 (615)

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  Associated Documents

  • DownloadMC-11011709-0001.pdf↗
• November 4, 2024•Document ID: 11011173

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6564A

  Date Added:

  December 4, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the direction a dealer/technician should take if a customer inquires about the installation of a trailer hitch or if the trailer lighting is inoperative for vehicles built without RPO option V92.

  Associated Products (2)

  2025 Cadillac XT42024 Cadillac XT4
  Associated Documents

  • DownloadMC-11011173-0001.pdf↗
• November 4, 2024•Document ID: 11009709

  Service Campaign
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N242444180-01

  Date Added:

  November 4, 2024

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program. Certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.

  Associated Products (1)

  2024 Cadillac XT4
  Associated Documents

  • DownloadMC-11009709-0001.pdf↗
• October 30, 2024•Document ID: 11011485

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6018H

  Date Added:

  December 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.

  Associated Products (9)

  2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Colorado2024 Chevrolet Silverado2024 GMC Canyon2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon
  Associated Documents

  • DownloadMC-11011485-0001.pdf↗
• October 29, 2024•Document ID: 11011225

  Service Bulletin/Repair Instructions
  POWER TRAIN; ENGINE

  Mfr Comm. #:

  23-NA-021

  Date Added:

  December 4, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.

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  Associated Documents

  • DownloadMC-11011225-0001.pdf↗
• October 28, 2024•Document ID: 11011367

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-239

  Date Added:

  December 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.

  Associated Products (166)

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  Associated Documents

  • DownloadMC-11011367-0001.pdf↗
• October 28, 2024•Document ID: 11011205

  Service Bulletin/Repair Instructions
  STEERING; POWER TRAIN; ENGINE

  Mfr Comm. #:

  04-06-01-029K

  Date Added:

  December 4, 2024

  Manufacturer:

  CHEVROLET

  Summary

  This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.

  Associated Products (632)

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  Associated Documents

  • DownloadMC-11011205-0001.pdf↗
• October 25, 2024•Document ID: 11009150

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP6007A

  Date Added:

  October 25, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to increased friction in the wastegate valve.

  Associated Products (42)

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  Associated Documents

  • DownloadMC-11009150-0001.pdf↗
• October 24, 2024•Document ID: 11011465

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6265

  Date Added:

  December 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.

  Associated Products (49)

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  Associated Documents

  • DownloadMC-11011465-0001.pdf↗
• October 24, 2024•Document ID: 11011461

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6214A

  Date Added:

  December 5, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates information of an OnStar software concern.

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11011461-0001.pdf↗
• October 23, 2024•Document ID: 11011012

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  21-NA-169

  Date Added:

  December 3, 2024

  Manufacturer:

  BUICK

  Summary

  This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.

  Associated Products (34)

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  Associated Documents

  • DownloadMC-11011012-0001.pdf↗
• October 22, 2024•Document ID: 11009057

  Service Bulletin/Repair Instructions
  ENGINE

  Mfr Comm. #:

  PIP6007

  Date Added:

  October 22, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to increased friction in the wastegate valve.

  Associated Products (33)

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  Associated Documents

  • DownloadMC-11009057-0001.pdf↗
• October 22, 2024•Document ID: 11009053

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6157B

  Date Added:

  October 22, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, it is normal operation and nothing should be replaced.

  Associated Products (12)

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  Associated Documents

  • DownloadMC-11009053-0001.pdf↗