P0121

2CF6 - P0121

Information saved in
DME

Fault code
2CF6 - P0121

Fault text
Throttle-valve potentiometer 1, plausibility to air mass

Fault description
Throttle/Pedal Position Sensor/Switch 'A' Circuit
Range/Performance

Condition for fault identification
Test condition:
via LC_USE_MAF_TPS_DIAG = 0 deactivated for N52

Condition for fault memory entry
none

Action in service
1) Perform electrical check on switch wires and power-
supply wires
2) Visual inspection of plug-in contacts
(on component and DME sides)
3) Check idle air rail and intake manifold for vacuum leaks
4) Delete throttle valve adaptation data
5) Replace potentiometer

Fault effect and breakdown warning


Driver information
none

Service instruction
none