# P0603 on the 2012 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 P0603

- [10250461](https://open.wenmarpro.com/bulletins/10250461), 2024-02-20: Transmission warning message in cluster \(DTC P0603 in TCM\)
- [10123978](https://open.wenmarpro.com/bulletins/10123978), 2017-11-17: Supersedes Technical Service Bulletin Group 02 number 12\-02 dated December 6, 2012. Customer may report transmission warning light comes on. No drivability/starting concerns. GFF scan shows fault code: P060300 \(Control Module Malfunctioning, Sporadic\), stored in the Transmission control module \(02\). The entry is caused by an overly sensitive diagnosis in the gearbox control unit. This does not affect the driving characteristics.
- [10122689](https://open.wenmarpro.com/bulletins/10122689), 2017-11-08: Customer may report transmission warning light comes on. No drivability/starting concerns. GFF scan shows fault code\- P060300 \(Control Module Malfunctioning, Sporadic\), stored in the Transmission control module \(02\). The entry is caused by a too sensitive diagnosis in the gearbox control unit. This does not affect the driving characteristics.