Tuesday, April 23, 2019

2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 358

2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 358



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



Synchro 1st Gear Not Disengageable



P177D



Diagnosis information - PDK



Synchro 1st gear not disengageable



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



- Alternative measure HSS3_OFF not active



Possible fault causes



- Hydraulics faulty (hydraulic control unit)



- Transmission faulty



Fault setting conditions



- 1st gear cannot be disengaged



Fault effects



- Gear held



- No gear preselection



- Transmission limp-home indication in instrument cluster control unit



Synchro 2nd Gear Not Disengageable



P177D



Diagnosis information - PDK



Synchro 2nd gear not disengageable



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



- Alternative measure HSS3_OFF not active



Possible fault causes



- Hydraulics faulty (hydraulic control unit)



- Transmission faulty



Fault setting conditions



- 2nd gear cannot be disengaged



Fault effects



- Gear held



- No gear preselection



- Transmission limp-home indication in instrument cluster control unit



Synchro 3rd Gear Not Disengageable



P177D



Diagnosis information - PDK



Synchro 3rd gear not disengageable