2027 Cadillac Lyriq technical service bulletins
20 technical service bulletins and manufacturer communications cover the 2027 Cadillac Lyriq.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Unknown or other
- Unknown or other
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a...
- Unknown or other
- This PI communicates the possibility of a B1599 and/or B0126 setting and directs to contact TCSC.
- • Fixes to help ensure start reliability and prevent battery drain • Improved charging performance and...
- • Improved reliability of connected services, including OnStar, Wi-Fi hotspot, and navigation • Enhanced...
- Unknown or other
- Unknown or other
- Unknown or other
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- This PI communicates the possibility of a B1599 setting and directs to contact TCSC.
- If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path...
- • Digital key will be available in the myCadillac mobile app a few minutes after the update completes
- Unknown or other
- Unknown or other
- Unknown or other
- Onstar connectivity features may be inoperative
- Unknown or other
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