# B143C on the 2020 Porsche 911

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 B143C

- [11008617](https://open.wenmarpro.com/bulletins/11008617), 2024-10-07: Symptom based workshop manual for a warning message. "Ignition lock faulty \- service required" in the instrument cluster/fault memory entry \(B143C29\) in the rear end electronics control unit
- [10253951](https://open.wenmarpro.com/bulletins/10253951), 2024-05-02: Symptom\-based workshop manual for the "ignition lock faulty \- service required" in the instrument cluster/faulty memory entry B143C29
- [10207225](https://open.wenmarpro.com/bulletins/10207225), 2022-02-04: Instructions on advanced technical information for the 911 ignition lock warning along with fault code B143C29.