Monday 4 March 2019

2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 80

2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 80



Fault setting conditions



- Tolerance value exceeded



Fault effects



- Transmission limp-home indication in instrument cluster control unit



Clutch 1, Implausible Control Pressure



P17B2



Diagnosis information - PDK



Clutch 1, implausible control pressure



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: P0841, P0843, P181A



Possible fault causes



- Shunt in wiring harness



- Clutch faulty



- Hydraulics faulty



Fault setting conditions



- Actual pressure at clutch 1 < touchpoint + offset (1 bar)



- Actual pressure at clutch 1 < prefilling pressure + offset (0.6 bar)



Fault effects



- Open clutches 1 and 2



- Disengage all gears



- Moving off in 2nd gear



- Only gears 2, 4 and 6 are possible



- Transmission limp-home indication in instrument cluster control unit



Clutch 2, Implausible Control Pressure



P17B2



Diagnosis information - PDK



Clutch 2, implausible control pressure



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: P0846, P0848, P181B



Possible fault causes



- Shunt in wiring harness



- Clutch faulty



- Hydraulics faulty



Fault setting conditions



- Actual pressure at clutch 2 < touchpoint + offset (1 bar)



- Actual pressure at clutch 2 < prefilling pressure + offset (0.6 bar)



Fault effects



- Open clutches 1 and 2



- Disengage all gears



- Moving off in 2nd gear



- Only gears 1, 3, 5 and 7 are possible



- Transmission limp-home indication in instrument cluster control unit



Clutch 1 Remains Mechanically At Excessively High Pressure After Rapid Filling