Porsche Cayman S (987) F6-3.4L P Code
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P0121
P0121
Diagnosis information - DME V6 DFI
Accelerator pedal potentiometer 1
NOTE:
- The system is in pedal sensor stand-by mode, i.e. the accelerator pedal angle is calculated from the remaining potentiometer signal.
- The dynamic response is reduced.
Diagnostic conditions
- Battery positive voltage > 7 V
- Ignition on (approx. 30 seconds)
Possible fault causes
- Short circuit to B+
- Short circuit to ground
- Accelerator pedal module faulty
Affected contacts on the DFI control unit connector
Connector [B]: - Contact 79, potentiometer 1
- Contact 57, potentiometer 2
Affected contacts on the pedal sensor connector
- Contact 6
- Contact 2