P0638
P0638Throttle 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
Remove connector of throttle part:
