P0503
P0503Vehicle speed sensor - no signal/above limit value
Diagnostic conditions
- Battery positive voltage between 10 V and 16 V
- Time after the engine is started longer than 10 seconds
Possible cause of fault
- No signal or faulty signal from PSM control module
- Rear right wheel speed sensor faulty
- CAN data bus faulty
- PSM control module faulty
Affected pins
-
Diagnosis/troubleshooting