# P1B1C on the 2013 Audi A3

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 P1B1C

- [10120743](https://open.wenmarpro.com/bulletins/10120743), 2017-10-25: The MIL is on. "Coolant System: Fault Turn Off Engine" and the coolant symbol appears in the information panel. DTC P1B1C00 is stored in the ECM.