2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 260
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground/between lines or open circuit in the lines
- Coolant temperature sensor Engine Faulty
Fault setting condition(s)
- Coolant temperature Engine : Actual-value jumps > 3 锟斤拷C (锟斤拷F)
Fault effects
- Substitute value = Last actual value that was recognized as OK., at:
- Actual-value jumps > 9.75 锟斤拷C (锟斤拷F)
P0121
P0121
Diagnosis information - Control unit DME (DFI)
Accelerator pedal Potentiometer implausible
Diagnostic conditions
- Ignition on > 3 Second(s)
- then Accelerator pedal complete depress > 3 Second(s)
- then Accelerator pedal complete undo
- then Idle speed > 10 Second(s)
Possible fault causes
- Short circuit to B+/ground/between lines or open circuit in the lines CLOSED Potentiometer 1 or 2
- Accelerator pedal Potentiometer 1 or 2 Faulty
Fault setting condition(s)
- The two potentiometer values differ too greatly from each other
- It is not clear which value is incorrect.
Fault effects
- No engine's throttle response, engine speed 1000 1/min
P0122
P0122
Diagnosis information - Control unit DME (DFI)
Accelerator pedal Potentiometer 1
Diagnostic conditions
- Ignition on > 3 Second(s)
- then Accelerator pedal complete depress > 3 Second(s)
- then Accelerator pedal complete undo
- then Idle speed > 10 Second(s)
Possible fault causes
- Short circuit to B+/ground/between lines or open circuit in the lines CLOSED Potentiometer 1
- Accelerator pedal Potentiometer 1 Faulty
Fault effects
- The system is in substitute mode.
- The accelerator pedal angle is calculated from the remaining potentiometer signal.
- Dynamic response is reduced.
P0123
P0123
Diagnosis information - Control unit DME (DFI)
Accelerator pedal Potentiometer 1
Diagnostic conditions
- Ignition on > 3 Second(s)
- then Accelerator pedal complete depress > 3 Second(s)
- then Accelerator pedal complete undo
- then Idle speed > 10 Second(s)
