# P20E8 on the 2014 Audi A7

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 P20E8

- [10130176](https://open.wenmarpro.com/bulletins/10130176), 2018-03-13: This bulletin provides information for a hardware and software update for TDI clean diesel vehicles with DTC P20E800.
- [10128394](https://open.wenmarpro.com/bulletins/10128394), 2018-02-05: Supersedes Technical Service Bulletin Group 01 number 15\-25 dated June 19, 2015. The MIL is on. DTC P20E800 \(Reductant pressure too low\) is stored in the engine control module. No relevant component or electrical problems are found when Guided Fault Finding \(GFF\) is run on the stored fault codes. Hardware and software update is needed.
- [10120745](https://open.wenmarpro.com/bulletins/10120745), 2017-10-25: The MIL is on. DTC P20E800 is stored in the ECM. No relevant component or electrical problems are found when Guided Fault Finding \(GFF\) is run on the stored fault codes. Software update is needed.