2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 222
- Power supply switch-off for pressure regulator
- Solenoid valve power supply switch-off
- Hydraulic control is switched off
- Start enable only in position P
- Limp-home message in instrument cluster
P0604
P18A5
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.
- Ignition on
Possible fault causes
- Control unit faulty
Fault setting conditions
- Internal diagnostic routine returns fault
Fault effects
- Power supply switch-off for pressure regulator
- Solenoid valve power supply switch-off
- Hydraulic control is switched off
- Start enable only in position P
- Limp-home message in instrument cluster
With P1715
P18A5
Diagnosis information - PDK
SPI error
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
- 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
- No emergency program diagnosis
- Emergency hold function
- Transmission limp-home indication in instrument cluster control unit
With P1804
P18A5
Diagnosis information - PDK
SPI error
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.
