Cadillac Lyriq Service Bulletins (2025)

394 manufacturer communications on file.

• March 18, 2025•Document ID: 11016031

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N24-248269

  Date Added:

  March 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  Update Title: Important Update N24-248269b Release Notes: • Increases the availability of Super Cruise functionality. • Additional improvements and fixes implemented. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

  Associated Products (1)

  2025 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11016031-0001.pdf↗
• March 14, 2025•Document ID: 11017016

  Service Bulletin/Repair Instructions
  WHEELS

  Mfr Comm. #:

  08-03-10-006I

  Date Added:

  April 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion.

  Associated Products (545)

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  Associated Documents

  • DownloadMC-11017016-0001.pdf↗
• March 13, 2025•Document ID: 11016027

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N25-249456

  Date Added:

  March 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  Update Title: Important Update GM N25-2494560 Release Notes: •Improves accuracy of service messages for high voltage charging system. •Reduces drain on 12V battery. •Improves performance of charging. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

  Associated Products (2)

  2025 Cadillac Lyriq2024 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11016027-0001.pdf↗
• March 12, 2025•Document ID: 11015646

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6352

  Date Added:

  March 17, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates A vehicle may come to the dealer with a service high voltage message and P29BB. The dealer is advised not to replace the heater. They are to clear the code and advise the customer that engineering is working on a design improvement.

  Associated Products (6)

  2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2024 Chevrolet Blazer2024 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11015646-0001.pdf↗
• March 12, 2025•Document ID: 11017031

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  15-06-03-001F

  Date Added:

  April 15, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.

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  Associated Documents

  • DownloadMC-11017031-0001.pdf↗
• March 11, 2025•Document ID: 11017004

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

  Mfr Comm. #:

  25-NA-060

  Date Added:

  April 15, 2025

  Manufacturer:

  GMC

  Summary

  This service bulletin provides information for dealers/technicians on Diagnostic Aid - Super Cruise Unavailable.

  Associated Products (19)

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  Associated Documents

  • DownloadMC-11017004-0001.pdf↗
• March 10, 2025•Document ID: 11015641

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6351

  Date Added:

  March 17, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a vehicle may have a Service AC message. On diagnosis code P0071 will be found. The technician is directed to diagnose the circuits following SI. Tech is advised not to replace any parts and that engineering is working on a design improvement.

  Associated Products (7)

  2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox
  Associated Documents

  • DownloadMC-11015641-0001.pdf↗
• March 7, 2025•Document ID: 11015572

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  22-NA-083

  Date Added:

  March 12, 2025

  Manufacturer:

  CADILLAC

  Summary

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

  Associated Products (19)

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  Associated Documents

  • DownloadMC-11015572-0001.pdf↗
• March 5, 2025•Document ID: 11016032

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; UNKNOWN OR OTHER

  Mfr Comm. #:

  25-NA-049

  Date Added:

  March 27, 2025

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin provides information for dealers/technicians on Service High Voltage Message Setting DTC P0CCD.

  Associated Products (9)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11016032-0001.pdf↗
• March 5, 2025•Document ID: 11015620

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-NA-143

  Date Added:

  March 14, 2025

  Manufacturer:

  CADILLAC

  Summary

  This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.

  Associated Products (17)

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  Associated Documents

  • DownloadMC-11015620-0001.pdf↗
• March 5, 2025•Document ID: 11015567

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  17-NA-073

  Date Added:

  March 12, 2025

  Manufacturer:

  CHEVROLET

  Summary

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

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  Associated Documents

  • DownloadMC-11015567-0001.pdf↗
• March 3, 2025•Document ID: 11016020

  Over The Air
  UNKNOWN OR OTHER

  Mfr Comm. #:

  N25-172AE

  Date Added:

  March 27, 2025

  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™ During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.

  Associated Products (2)

  2025 Cadillac Lyriq2024 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11016020-0001.pdf↗
• February 28, 2025•Document ID: 11014644

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6583A

  Date Added:

  March 3, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates how to move U018B from Current to History.

  Associated Products (3)

  2025 Cadillac Lyriq2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11014644-0001.pdf↗
• February 28, 2025•Document ID: 11014642

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIC6578A

  Date Added:

  March 3, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates procedure to relearn window motor when it reverses when expressing up.

  Associated Products (3)

  2025 Cadillac Lyriq2024 Cadillac Lyriq2023 Cadillac Lyriq
  Associated Documents

  • DownloadMC-11014642-0001.pdf↗
• February 28, 2025•Document ID: 11014639

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIP6048

  Date Added:

  March 3, 2025

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates that some instances of P0D22 can be caused by software anomalies and provides dealers with more specific information that can be used to test for P0D22.

  Associated Products (8)

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  Associated Documents

  • DownloadMC-11014639-0001.pdf↗
• February 27, 2025•Document ID: 11015242

  Service Bulletin/Repair Instructions
  FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM

  Mfr Comm. #:

  PIE0753H

  Date Added:

  March 7, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.

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  Associated Documents

  • DownloadMC-11015242-0001.pdf↗
• February 27, 2025•Document ID: 11014633

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER

  Mfr Comm. #:

  PIT6044N

  Date Added:

  March 2, 2025

  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 (17)

  2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV Pickup
  Associated Documents

  • DownloadMC-11014633-0001.pdf↗
• February 26, 2025•Document ID: 11015215

  Service Bulletin/Repair Instructions
  VISIBILITY/WIPER

  Mfr Comm. #:

  24-NA-164

  Date Added:

  March 6, 2025

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on Wiper Blade Maintenance Tips.

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  Associated Documents

  • DownloadMC-11015215-0001.pdf↗
• February 26, 2025•Document ID: 11015214

  Service Bulletin/Repair Instructions
  UNKNOWN OR OTHER; ELECTRICAL SYSTEM

  Mfr Comm. #:

  24-NA-113

  Date Added:

  March 6, 2025

  Manufacturer:

  GMC

  Summary

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

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  Associated Documents

  • DownloadMC-11015214-0001.pdf↗
• February 26, 2025•Document ID: 11015213

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

  Mfr Comm. #:

  24-NA-015

  Date Added:

  March 6, 2025

  Manufacturer:

  CHEVROLET

  Summary

  This service bulletin provides Hybrid/EV Charging Issue Information and Data Collection Worksheet.

  Associated Products (26)

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  Associated Documents

  • DownloadMC-11015213-0001.pdf↗