# P0603 on the 2012 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 P0603

- [10250461](https://open.wenmarpro.com/bulletins/10250461), 2024-02-20: Transmission warning message in cluster \(DTC P0603 in TCM\)