P170B

P170B

Diagnosis Information - PDK

Sensor supply voltage 8.5 V too high

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: P0563

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 < 7 V

Fault effects
- Transmission limp-home indication in instrument cluster control unit