# B1B5F on the 2025 Cadillac Lyriq

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B1B5F

- [11028860](https://open.wenmarpro.com/bulletins/11028860), 2026-02-18: 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.
- [11027924](https://open.wenmarpro.com/bulletins/11027924), 2026-02-01: 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.