Cadillac Lyriq Service Bulletins (2024)
725 manufacturer communications on file.
- October 30, 2025•Document ID: 11024773Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6021B
- Date Added:
- November 3, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary Information communicates that, under certain conditions, a MIL (Malfunction Indicator Lamp) illumination or a "Service High Voltage" message may display on the IPC (Instrument Panel Cluster), and the 12V battery may experience discharge.
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- Mfr Comm. #:
- 654.10
- Date Added:
- October 31, 2025
- Manufacturer:
- CADILLAC
SummaryFixes to help prevent loss of functionality for OnStar, infotainment apps, and connectivity features. 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.
Associated Products (3)Associated Documents - October 29, 2025•Document ID: 11024768Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6446
- Date Added:
- November 3, 2025
- Manufacturer:
- CHEVROLET
SummaryThis PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
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- Mfr Comm. #:
- PIT6393F
- Date Added:
- November 2, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
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- Mfr Comm. #:
- N252521980
- Date Added:
- October 22, 2025
- Manufacturer:
- GMC
SummaryCertain vehicles, may have a condition in which the Brake System Control Module does not have the latest software. Dealers are to reprogram the Brake System Control Module.
Associated Products (5)Associated Documents - October 18, 2025•Document ID: 11024465Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6485D
- Date Added:
- October 24, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates that the upper compressor mount could be twisted causing a vibration or noise concern while the compressor is running.
Associated Products (4)Associated Documents - October 18, 2025•Document ID: 11024460Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6425B
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
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- Mfr Comm. #:
- PIT6425A
- Date Added:
- October 24, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
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- Mfr Comm. #:
- PIC6551A
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
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- Mfr Comm. #:
- N232401570
- Date Added:
- October 16, 2025
- Manufacturer:
- CADILLAC
SummaryCertain vehicles listed above may have a condition in which the Battery Energy Control Module will not exit “commissioning” (start-up), because a Cell Monitoring Unit is offline. Dealers will reprogram the Battery Energy Control Module. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
Associated Products (10)Associated Documents - October 15, 2025•Document ID: 11024639Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N24-248448
- Date Added:
- October 31, 2025
- Manufacturer:
- CADILLAC
Summary• A variety of software improvements were made to make your in-vehicle driving experience better. Be sure to install this update to be able to receive future software updates. 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)Associated Documents - October 7, 2025•Document ID: 11024636Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 653.40
- Date Added:
- October 31, 2025
- Manufacturer:
- CADILLAC
Summary•Improvements to accuracy of Park Assist messaging. •Fixes to improve performance of driver assistance systems and rear view camera. •Improvements to responsiveness of rear view camera. •Fixes to address Super Cruise disengaging erroneously. 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)Associated Documents - October 4, 2025•Document ID: 11024437Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6621
- Date Added:
- October 24, 2025
- Manufacturer:
- CADILLAC
SummaryThis PI addresses a possible roll up then down window message.
Associated Products (4)Associated Documents - October 4, 2025•Document ID: 11024439Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6440
- Date Added:
- October 24, 2025
- Manufacturer:
- CADILLAC
SummaryThe Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
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- Mfr Comm. #:
- PIT6393E
- Date Added:
- October 24, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
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- Mfr Comm. #:
- PIT6393D
- Date Added:
- October 6, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
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- Mfr Comm. #:
- PIT6356C
- Date Added:
- September 26, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.
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- Mfr Comm. #:
- 653.30
- Date Added:
- October 1, 2025
- Manufacturer:
- CADILLAC
Summary•Improvements to the performance of One-Pedal Driving •Improvements to propulsion and acceleration. •Fixes for vehicle diagnostics. •Improvements to the accuracy of propulsion messaging. •Improvements to vehicle safety features. 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)Associated Documents - September 19, 2025•Document ID: 11023415Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 653.20
- Date Added:
- October 1, 2025
- Manufacturer:
- CADILLAC
Summary• Improvements to battery health information. • Fixes for efficiency when using fast charging stations. • Improvements to reliability for climate control and charging. • Improvements to the accuracy of efficiency values. • Improvements to shifting. • Fixes to protect battery health and adjust charge limits. 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)Associated Documents - September 15, 2025•Document ID: 11023344Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6426
- Date Added:
- September 25, 2025
- Manufacturer:
- GMC
SummaryIf a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
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