2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 285
- Limp-home message in instrument cluster
P174B
Diagnosis information - PDK
PDK control unit, internal fault
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.
Transmission Ratio Monitoring
P174B
Diagnosis information - PDK
Transmission ratio monitoring
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
- Speed sensors faulty
- Lines faulty
Fault setting conditions
- Rotational speed comparison of input shaft and output shaft supplies fault
Fault effects
- Limp-home message in instrument cluster
Input Shaft Overspeed
P174B
Diagnosis information - PDK
Input shaft overspeed
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
- Speed sensors faulty
- Lines faulty
Fault setting conditions
- Rotational speed of shaft 1 or shaft 2 below threshold value
- Rotational speed of shaft 1 or shaft 2 above threshold value
Fault effects
- No power transmission
- Limp-home message in instrument cluster
Diagnosis Information - PDK (Dual-Clutch Transmission)
P174B
Diagnosis information - PDK
