2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 158
- Engaged gear is held until vehicle stops
- Gearshifts possible only between the gears R, 2, 4 and 6
- Moving off possible only in 2nd gear
- No pre-engagement of next target gear
- Transmission limp-home indication in instrument cluster control unit
With P1955
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 1, 3, 5 or 7 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
- Engaged gear is held until vehicle stops.
- Gearshifts possible only between the gears 1,3,5 and 7
- Moving off possible only in 3rd gear
- No pre-engagement of next target gear
- Transmission limp-home indication in instrument cluster control unit
With P1953
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
- Pressure regulator 5 not active
- Pressure regulator 6 not active
Possible fault causes
- Hydraulic control unit faulty
Fault setting conditions
- A shift rod moves by more than 2 mm from the neutral position or end position without electrical activation
