2010 Porsche Panamera Turbo (970) V8-4.8L Turbo A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 593
Alternator, no communication
Diagnostic conditions
- Engine running
Possible fault causes
- Loose contact or corrosion on connectors or lines
- Short circuit to B+/ground or open circuit in the line Alternator - Control unit DME (DFI)
- Alternator Faulty
Fault setting condition(s)
- no communication Alternator - Control unit DME (DFI)
Sensor Supply Voltage 5 V Too Low
P1706
Diagnosis information - PDK
Sensor supply voltage 5 V too low
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 fault is not detected: P1752
Possible fault causes
- Line between pressure sensors and PDK control unit faulty
- Line between displacement sensor module and PDK control unit faulty
- Pressure sensor 1 faulty
- Pressure sensor 2 faulty
- Displacement sensor module faulty
- PDK control unit faulty
Fault setting conditions
- Sensor supply voltage < 4.5 V
Fault effects
- Gear held
- No R gear
- No emergency program diagnosis
- Transmission limp-home indication in instrument cluster control unit
Sensor Supply Voltage 8.5 V Too Low
P1706
Diagnosis information - PDK
Sensor supply voltage 8.5 V too low
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 fault is not detected: P1752
Possible fault causes
- Line between speed sensors and PDK control unit faulty
- Speed sensor 1 faulty
- Speed sensor 2 faulty
- PDK control unit faulty
Fault setting conditions
- Sensor supply voltage > 9.5 V
