# P203B on the 2014 Audi A6

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P203B

- [10156489](https://open.wenmarpro.com/bulletins/10156489), 2019-04-02: This bulletin contains repair instructions for when a MIL is on with DTC P203B00.
- [10144625](https://open.wenmarpro.com/bulletins/10144625), 2018-09-17: This bulletin contains repair instructions for when a MIL is on with DTC P203B00.
- [10124883](https://open.wenmarpro.com/bulletins/10124883), 2017-12-05: Supersedes Technical Service Bulletin Group 01 number 14\-84 dated July 28, 2014. MIL on. DTC P203B00 \(Reductant Level Sensor Circuit Range/Performance\) is stored in the engine control module \(ECM\), J623 \(address word 01\). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant \(AdBlue\) fluid level.
- [10122527](https://open.wenmarpro.com/bulletins/10122527), 2017-11-08: Supersedes Technical Service Bulletin Group 01 number 14\-81 dated June 24, 2014. The MIL is on. DTC P203B00 \(Reductant Level Sensor Circuit Range/Performance\) is stored in the engine control module \(ECM\). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant \(AdBlue\) fluid level.
- [10122414](https://open.wenmarpro.com/bulletins/10122414), 2017-11-08: Supersedes Technical Service Bulletin Group 01 number 13\-32 dated September 26, 2013. The MIL is on. DTC P203B00 \(Reductant Level Sensor Circuit Range/Performance\) is stored in the engine control module \(ECM\), J623 \(address word 01\).Due to a production issue for the level sensor, the ECM cannot correctly read the reductant \(AdBlue\) fluid level.