2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 157
- Shift operation abort
- Old gear is engaged again
- Engaged gear is held until vehicle stops.
- Moving off possible only in 3rd gear
- No pre-engagement of next target gear
- Transmission limp-home indication in instrument cluster control unit
With P1957
P17D8
Diagnosis information - PDK
Plausibility check of shift rods
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1731
- The following fault is not detected: P1732
- The following fault is not detected: P1733
- The following fault is not detected: P1734
- The following fault is not detected: P1706
- The following fault is not detected: P1707
Possible fault causes
- Hydraulic control unit faulty
Fault setting conditions
- Wrong shift rod moves in correct direction for odd target gear
Fault effects
- Shift operation abort
- Old gear is engaged again
- Engaged gear is held until vehicle stops.
- Moving off possible only in 2nd gear
- No pre-engagement of next target gear
- Transmission limp-home indication in instrument cluster control unit
With P1956
P17D8
Diagnosis information - PDK
Plausibility check of shift rods
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1731
- The following fault is not detected: P1732
- The following fault is not detected: P1733
- The following fault is not detected: P1734
- The following fault is not detected: P1706
- The following fault is not detected: P1707
Possible fault causes
- Hydraulic control unit faulty
Fault setting conditions
- Current gear 2, 4, 6 or R is disengaged instead of new gear engaged
- Incorrect shift rod moves by more than 1.5 mm
Fault effects
- Shift operation abort
- Old gear is engaged again
