# P0811 on the 2021 Audi A4

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 P0811

- [10245527](https://open.wenmarpro.com/bulletins/10245527), 2023-12-06: This bulletin provides instructions for when "Gearbox Malfunction" and/or vehicle does not shift up or down, and/or vehicle is in limp mode home, and/or "reverse gear is unavailable" displayed in the instrument cluster, and/or "You can continue driving \(functions limited" with DTCs P071800 and/or P276800 and possible in combination with DTC P081100 and/or P081E00.
- [10230967](https://open.wenmarpro.com/bulletins/10230967), 2023-02-07: This bulletin provides instructions for when "Gearbox Malfunction" and/or vehicle does not shift up or down, and/or vehicle is in limp mode home, and/or "reverse gear is unavailable" displayed in the instrument cluster, and/or "You can continue driving \(functions limited" with DTCs P071800 and/or P276800 and possible in combination with DTC P081100 and/or P081E00.
- [10210235](https://open.wenmarpro.com/bulletins/10210235), 2022-05-05: This bulletin contains instructions for when DTC P071800 and P081100 are stored with various transmission issues.
- [10209238](https://open.wenmarpro.com/bulletins/10209238), 2022-04-05: This bulletin contains instructions for when DTC P071800 and P081100 are stored with various transmission issues.