Service bulletins for the 2025 Cadillac Lyriq
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
388 on file from NHTSA, as of 2026-10-19.
About B1B5F on the 2025 Cadillac Lyriq: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B1B5F are shown. Show all
| PIC6642A | 2026-02-18. Service bulletin. UNKNOWN OR OTHER. This PI communicates a possible concern with the customer experiencing a service headlamp message on startup and DTC's B1B5F SYM49 and/or B1B60 SYM49 maybe found current or history. |
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| PIC6642 | 2026-02-01. Service bulletin. UNKNOWN OR OTHER. This PI communicates a possible concern with the customer experiencing a service headlamp message on startup and DTC's B1B5F SYM49 and/or B1B60 SYM49 maybe found current or history. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.