Cadillac Lyriq Service Bulletins (2023)

799 manufacturer communications on file.

• March 20, 2024•Document ID: 10251961

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  N232428540

  Date Added:

  March 20, 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)

  2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251961-0001.pdf↗
• March 19, 2024•Document ID: 10251905

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; UNKNOWN OR OTHER

  Mfr Comm. #:

  N232423610

  Date Added:

  March 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  Customer Satisfaction Program - Certain vehicles may need an insert with updated towing information for their Essential Operating and Safety Manual. Dealers will insert updated towing information into the Essential Operating and Safety Manual. Since the towing information insert can be easily installed, and to reduce customer inconvenience, the insert will be sent directly to customers of record along with instructions. Customers may place the insert into their Essential Operating and Safety Manual or, if they desire, they may ask the dealer to perform this task. In addition, if the customer has accepted the Terms and Conditions and are a connected customer, the electronic copy in the infotainment system will automatically be updated.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251905-0001.pdf↗
• March 19, 2024•Document ID: 10253095

  Service Bulletin/Repair Instructions
  BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

  Mfr Comm. #:

  PIT6105B

  Date Added:

  April 15, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.

  Associated Products (8)

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

  • DownloadMC-10253095-0001.pdf↗
• March 18, 2024•Document ID: 10251884

  Service Bulletin/Repair Instructions
  EXTERIOR LIGHTING

  Mfr Comm. #:

  N232422480

  Date Added:

  March 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  Service Update: Certain vehicles may have a condition in which the headlamps’ aim may drift high or low during a drive compared to the initial aim at key-on. Dealers are to reprogram the Headlamp Control Module.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251884-0001.pdf↗
• March 14, 2024•Document ID: 10251908

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  23-NA-151

  Date Added:

  March 19, 2024

  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-10251908-0001.pdf↗
• March 13, 2024•Document ID: 10251612

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  N232428540

  Date Added:

  March 14, 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)

  2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251612-0001.pdf↗
• March 11, 2024•Document ID: 10251915

  Service Bulletin/Repair Instructions
  EQUIPMENT; BACK OVER PREVENTION; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC

  Mfr Comm. #:

  24-NA-048

  Date Added:

  March 19, 2024

  Manufacturer:

  CADILLAC

  Summary

  This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the rear automatic braking may brake unwantedly, usually when reversing out of a garage or driveway.

  Associated Products (3)

  2024 Cadillac Lyriq2024 Cadillac XT42023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251915-0001.pdf↗
• March 11, 2024•Document ID: 10253077

  Service Bulletin/Repair Instructions
  ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

  Mfr Comm. #:

  PIT6131

  Date Added:

  April 15, 2024

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates that all Canyon, Colorado and LYRIQ Radios are on ESC restriction and will need TAC approval for replacement.

  Associated Products (3)

  2023 Cadillac Lyriq2023 Chevrolet Colorado2023 GMC Canyon
  Associated Documents

  • DownloadMC-10253077-0001.pdf↗
• March 11, 2024•Document ID: 10253075

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

  Mfr Comm. #:

  PIT5832L

  Date Added:

  April 15, 2024

  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 Blazer2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV SUV2024 GMC Yukon2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Colorado2023 Chevrolet Corvette2023 Chevrolet Tahoe2023 GMC Canyon+ 19 more
  Associated Documents

  • DownloadMC-10253075-0001.pdf↗
• March 11, 2024•Document ID: 10251888

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  07-00-89-037S

  Date Added:

  March 19, 2024

  Manufacturer:

  BUICK

  Summary

  This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

  Associated Products (139)

  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+ 119 more
  Associated Documents

  • DownloadMC-10251888-0001.pdf↗
• March 10, 2024•Document ID: 10251889

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  11-00-89-005X

  Date Added:

  March 19, 2024

  Manufacturer:

  BUICK

  Summary

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

  Associated Products (139)

  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+ 119 more
  Associated Documents

  • DownloadMC-10251889-0001.pdf↗
• March 6, 2024•Document ID: 10251670

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

  Mfr Comm. #:

  PIE0779A

  Date Added:

  March 15, 2024

  Manufacturer:

  CADILLAC

  Summary

  This engineering information (EI) provides special update instructions for A11 Radio.

  Associated Products (1)

  2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251670-0001.pdf↗
• March 4, 2024•Document ID: 10253059

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT6065E

  Date Added:

  April 15, 2024

  Manufacturer:

  GMC

  Summary

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

  Associated Products (5)

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

  • DownloadMC-10253059-0001.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:

  CHEVROLET

  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 (139)

  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+ 119 more
  Associated Documents

  • DownloadMC-10251635-0001.pdf↗
• March 4, 2024•Document ID: 10251626

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  22-NA-083

  Date Added:

  March 15, 2024

  Manufacturer:

  GMC

  Summary

  This service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.

  Associated Products (8)

  2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-10251626-0001.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:

  CADILLAC

  Summary

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

  Associated Products (139)

  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+ 119 more
  Associated Documents

  • DownloadMC-10251513-0001.pdf↗
• February 29, 2024•Document ID: 10251729

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM:SOFTWARE

  Mfr Comm. #:

  PIP5957A

  Date Added:

  March 18, 2024

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates to the dealer of a possible issue with the vehicle is that the code was set in error and will need a reset procedure performed to verify. This PI outlines the path the dealer is to take to verify that the vehicle can be repaired with this procedure to prevent unnecessary parts replacement and time in service.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251729-0001.pdf↗
• February 27, 2024•Document ID: 10251718

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIT6044G

  Date Added:

  March 18, 2024

  Manufacturer:

  CADILLAC

  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-10251718-0001.pdf↗
• February 26, 2024•Document ID: 10251379

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

  Mfr Comm. #:

  PIE0769C

  Date Added:

  March 6, 2024

  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 the door windows will not roll all the way up.

  Associated Products (2)

  2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251379-0001.pdf↗
• February 26, 2024•Document ID: 10251375

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT

  Mfr Comm. #:

  24-NA-038

  Date Added:

  March 6, 2024

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides Radio Software update Version W27E-172.5.1-M169-SQBR4-126.3 repair information to correct customer concerns of radio software issues.

  Associated Products (1)

  2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-10251375-0001.pdf↗