P0121
P0121Accelerator Pedal Position Sensor 1 - Signal Implausible
Diagnostic conditions
- Ignition on (approx. 30 seconds)
- Battery positive voltage greater than 7 V
Possible cause of fault
- Pedal sensor faulty
Affected terminals
-
Diagnosis/troubleshooting
NOTE:
- The system is in stand-by operation mode in pedal sensor, i.e the accelerator pedal angle is calculated from the remaining potentiometer signal.
- When this fault occurs, the value from the pedal sensor is limited to 30 % and the dynamic is reduced.