P1503

P1503

402 Throttle Jacking Unit, Position Error - Signal Implausible

Diagnosis conditions
- Driving with changing pedal position

Possible fault cause
- Short circuit in wiring harness
- Sluggish throttle

Affected terminals
- Terminal I/9 and I/7

NOTE: The vehicle is in emergency function mode, i.e. the engine is turning at approx. 1200 rpm.

Diagnosis/Troubleshooting

Part 1:

Remove connector of throttle part:

Part 2: