Monday 28 May 2018

P17D3 Porsche Cayman S (987) F6-3.4L

P17D3
Diagnosis information - PDK
Hydraulic emergency hold function cannot be cancelled due to mechanical blockage
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
- Deactivate all pressure regulators
- Emergency hold function
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Emergency Hold Function, Clutch 1 Cannot Be Opened
P17D3
Diagnosis information - PDK
Hydraulic emergency hold function, clutch 1 cannot be opened
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
- Only gears 2, 4 and 6 are possible
- No reverse gear
- No gear preselection
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Emergency Hold Function, Clutch 2 Cannot Be Opened
P17D3
Diagnosis information - PDK
Hydraulic emergency hold function, clutch 2 cannot be opened
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
2010 Porsche Cayman S (987) F6-3.4L   Page 117
- Tolerance value exceeded
Fault effects
- Only gears 1, 3, 5 and 7 are possible
- No gear preselection
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Emergency Hold Function, Clutches Open
P17D3
Diagnosis information - PDK
Hydraulic emergency hold function, clutches open
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
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Emergency Hold Program Is Incorrectly Activated
P17D3
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)
P17D3
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
2010 Porsche Cayman S (987) F6-3.4L   Page 118
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)
P17D3
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
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 1, 3, 5, 7 and R are possible
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Gear Selection: Implausible Shift Rod Movement (Odd Target Gear)
P17D3
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 preselection
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Gear Selection: Implausible Shift Rod Movement For Automatic Gearshift (Even Target
Gear)
P17D3
Diagnosis information - PDK
2010 Porsche Cayman S (987) F6-3.4L   Page 119
Hydraulic gear selection: implausible shift rod movement for automatic gearshift (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
Fault effects
- Gear held
- Gears possible in D
- No gear preselection
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Gear Selection: No Or Wrong Shift Rod Is Moved For Change To Neutral Position
P17D3
Diagnosis information - PDK
Hydraulic gear selection: no or wrong shift rod is moved for change to neutral position
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
- No gear preselection
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Gear Selection: No Or Wrong Shift Rod Moved During Shift Overlap
P17D3
Diagnosis information - PDK
Hydraulic gear selection: No or wrong shift rod moved during shift overlap
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
- Pressure adjusters 5 and 6 depressurized
2010 Porsche Cayman S (987) F6-3.4L   Page 120
- Speed limitation to overspeed in 1st gear
- White transmission limp-home indication in instrument cluster
Hydraulic Gear Selection: Shift Rod Was Moved Without Control Request
P17D3
Diagnosis information - PDK
Hydraulic gear selection: shift rod was moved without control request
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
- 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
Synchro 5th Gear Not Engageable Or Gear Skip
P17D3
Diagnosis information - PDK
Synchro 5th gear not engageable or gear skip
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 or P1734
- The following faults are not detected: P1706 or P1707
- No alternative measure active
Possible fault causes
- Hydraulics faulty (hydraulic control unit)
- Transmission faulty
Fault setting conditions
- Target gear 5th gear, actual gear is disengaged before pressure adjusters 5/6 are activated
- 7th gear is engaged instead of 5th gear
- No shift rod moves
NOTE: The individual detection times are temperature-dependent (cold 2 s, warm 1 s)
Fault effects
- Gear held
- Only gears 1,2,4 and 7 are possible
- Transmission limp-home indication in instrument cluster control unit
Hydraulic Emergency Hold Function Cannot Be Cancelled Due To Mechanical Blockage