P2503
Alternator failure, Battery failure, Wiring issue.
- Audi
- Powertrain
- Generic code
How this code is built
- P
- SystemPowertrain
- 2
- Defined bySAE, the same on every car
- 5
- AreaVehicle speed, idle control and auxiliary inputs
- 03
- FaultThe specific fault in that area
Guide
Writing the guide for P2503. The first open of a code takes up to a minute.