2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 161
Hydraulic Emergency Hold Program Is Incorrectly Activated
P17D8
Diagnosis information - PDK
Hydraulic emergency hold program is incorrectly activated
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
Possible fault causes
- Clutch faulty
- Hydraulics faulty
Fault setting conditions
- Tolerance value exceeded
Fault effects
- No gear preselection
- Engine torque limitation
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Gear Selection: Current Gear Is Disengaged and No New Gear Is Engaged During Shift
Overlap (Even Target Gear)
P17D8
Diagnosis information - PDK
Hydraulic gear selection: Current gear is disengaged and no new gear is engaged during shift overlap (even 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
- Incorrect shift rod moves by more than 2.2 mm
Fault effects
- Gear held
- Only gears 2, 4, 6 and R are possible
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Gear Selection: Current Gear Is Disengaged and No New Gear Is Engaged During Shift
Overlap (Odd Target Gear)
P17D8
Diagnosis information - PDK
Hydraulic gear selection: Current gear is disengaged and no new gear is engaged during shift overlap (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
