2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 614
Possible fault causes
- PDK control unit faulty
Fault setting conditions
- Internal bus error
Fault effects
- All pressure regulators, solenoid valves and shift-lock switch off
- Start enable only in position P
- Emergency hold function
- Transmission limp-home indication in instrument cluster control unit
Transmission Ratio Monitoring
P1745
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
Diagnosis Information - PDK (Dual-Clutch Transmission)
P1745
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
Data Record For Calibration Of The Shift Rods Is Not Valid
P1748
Diagnostic information - PDK
Data record for calibration of the shift rods is not valid
