P081B

P081B

Diagnosis information - PDK

Starter interlock signal, short circuit to B+

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
- Starter interlock active

Possible fault causes
- Line between DME control unit and PDK control unit faulty
- PDK control unit faulty

Fault setting conditions
- Starter interlock signal, voltage > 4 V

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