P0121

P0121

Accelerator 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

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.