2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 164
Fault setting conditions
- Shift rod moves by approx. 2 mm from neutral or end position without control request
Fault effects
- Gear held
- Pressure regulator for synchro selection unpressurised
- Speed limitation to overspeed in 1st gear
- Transmission limp-home indication in instrument cluster control unit
Diagnosis Information - PDK (Dual-Clutch Transmission)
P17D8
Diagnosis information - PDK
Hydraulic gear selection: implausible shift rod movement (odd target gear)
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 faults are not detected: P1731, P1732, P1733, P1734
Possible fault causes
- Clutch faulty
- Hydraulics faulty
Fault setting conditions
Fault effects
- Gear held
- Gears possible in D
- No gear pre-selection
- Transmission limp-home indication in instrument cluster control unit
With P1958
P17D9
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 even target gear
Fault effects
- 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
