Cadillac Lyriq Service Bulletins (2023)

799 manufacturer communications on file.

• November 16, 2023•Document ID: 10246290

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  PIE0759B

  Date Added:

  December 6, 2023

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Malfunction Indicator Lamp (MIL) being illuminated on Driver Information Center (DIC), A/C not blowing cold air and/or the A/C working intermittently.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10246290-0001.pdf↗
• November 16, 2023•Document ID: 10245559

  Service Bulletin/Repair Instructions
  EQUIPMENT; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  21-NA-135

  Date Added:

  November 29, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

  Associated Products (126)

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  Associated Documents

  • DownloadMC-10245559-0001.pdf↗
• November 15, 2023•Document ID: 10247358

  Service Bulletin/Repair Instructions
  STRUCTURE

  Mfr Comm. #:

  PIC6529

  Date Added:

  December 18, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the technician how to address Hvac Temperature door issues and associated Service vehicle soon light. Summary: if concern is still present after loosening actuator and relearning then Hvac case replacement may be needed.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10247358-0001.pdf↗
• November 14, 2023•Document ID: 10247355

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  PIT5832K

  Date Added:

  December 18, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.

  Associated Products (39)

  2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV SUV2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Canyon+ 19 more
  Associated Documents

  • DownloadMC-10247355-0001.pdf↗
• November 6, 2023•Document ID: 10245395

  Service Bulletin/Repair Instructions
  WHEELS; STEERING; SUSPENSION; ENGINE AND ENGINE COOLING; POWER TRAIN

  Mfr Comm. #:

  03-00-91-001I

  Date Added:

  November 22, 2023

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

  Associated Products (138)

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  Associated Documents

  • DownloadMC-10245395-0001.pdf↗
• November 3, 2023•Document ID: 10247345

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIP5859C

  Date Added:

  December 18, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates that the High Voltage Battery pack is on TAC restriction where TAC will Authorize the full HV Battery pack Exchange with Engineering Review needed.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10247345-0001.pdf↗
• November 1, 2023•Document ID: 10247339

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIC6527

  Date Added:

  December 18, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates that a U018B maybe found setting current or history, do not diagnose, the module is not used on 23 and 24 model years.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10247339-0001.pdf↗
• October 30, 2023•Document ID: 10246030

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

  Mfr Comm. #:

  PIT6044E

  Date Added:

  December 4, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

  Associated Products (5)

  2024 Cadillac Lyriq2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10246030-0001.pdf↗
• October 30, 2023•Document ID: 10245250

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  20-NA-159

  Date Added:

  November 15, 2023

  Manufacturer:

  GMC

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (126)

  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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 106 more
  Associated Documents

  • DownloadMC-10245250-0001.pdf↗
• October 26, 2023•Document ID: 10246024

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PIC6525

  Date Added:

  December 4, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealership technicians that this could be a radio software concern that caused this issue. Follow normal SI diagnostics if Google services are not operational. This PI will be updated with further information once a correction is created.

  Associated Products (1)

  2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10246024-0001.pdf↗
• October 26, 2023•Document ID: 10246021

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIT6044D

  Date Added:

  December 4, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.

  Associated Products (5)

  2024 Cadillac Lyriq2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10246021-0001.pdf↗
• October 25, 2023•Document ID: 10245248

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  23-NA-189

  Date Added:

  November 15, 2023

  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 (138)

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  Associated Documents

  • DownloadMC-10245248-0001.pdf↗
• October 24, 2023•Document ID: 10246018

  Service Bulletin/Repair Instructions
  SEATS; VEHICLE SPEED CONTROL

  Mfr Comm. #:

  PIC6517B

  Date Added:

  December 4, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates that a service door latch system message maybe displayed without any related DTC's.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10246018-0001.pdf↗
• October 19, 2023•Document ID: 10245234

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-151

  Date Added:

  November 15, 2023

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides a procedure to High Voltage Battery Core Return Shipment Criteria.

  Associated Products (6)

  2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10245234-0001.pdf↗
• October 17, 2023•Document ID: 10246009

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

  Mfr Comm. #:

  PIC6488G

  Date Added:

  December 4, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates that Serial Data Authentication is required prior to programming a replacement Radio and required sequence of programming for replacement and existing radios.

  Associated Products (3)

  2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon
  Associated Documents

  • DownloadMC-10246009-0001.pdf↗
• October 16, 2023•Document ID: 10244176

  Service Bulletin/Repair Instructions
  VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

  Mfr Comm. #:

  N232413240

  Date Added:

  October 17, 2023

  Manufacturer:

  CADILLAC

  Summary

  Service Update - vehicles may have a condition in which the air conditioning hoses are twisted. Dealers are to inspect the air conditioning hoses and repair if necessary.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10244176-0001.pdf↗
• October 11, 2023•Document ID: 10244326

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

  Mfr Comm. #:

  05-00-89-029F

  Date Added:

  October 29, 2023

  Manufacturer:

  CHEVROLET

  Summary

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

  Associated Products (138)

  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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 118 more
  Associated Documents

  • DownloadMC-10244326-0001.pdf↗
• October 9, 2023•Document ID: 10245997

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT6065A

  Date Added:

  December 4, 2023

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns.

  Associated Products (3)

  2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10245997-0001.pdf↗
• October 6, 2023•Document ID: 10244274

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  17-NA-170

  Date Added:

  October 25, 2023

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.

  Associated Products (138)

  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 Camaro2024 Chevrolet Colorado2024 Chevrolet Corvette2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 118 more
  Associated Documents

  • DownloadMC-10244274-0001.pdf↗
• October 4, 2023•Document ID: 10245988

  Service Bulletin/Repair Instructions
  COMMUNICATION:MANUFACTURER TELEMATICS

  Mfr Comm. #:

  PIP5890A

  Date Added:

  December 4, 2023

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealership tech of a possible area of concern to look before replacement of any parts.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10245988-0001.pdf↗