P0643
P0643Diagnosis information - DME (DFI)
Sensor voltage 1
NOTE:
A fault is detected when:
- voltage drops below 4.7 V (P0642)
or
- voltage exceeds 5.3 V (P0643)
Diagnostic conditions
- Ignition on more than 10 seconds
Possible fault causes
- Short circuit to B+ or ground in lines
- Pedal sensor faulty
- Throttle valve adjusting unit faulty