P183B

P183B

Diagnosis Information - PDK

Power supply for P/R actuator solenoid, 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
- The following fault is not detected: P1752

Possible fault causes
- Line between selector lever control unit and PDK control unit faulty
- Selector lever control unit faulty
- PDK control unit faulty

Fault setting conditions
- Actual measured voltage HS4 > 4 V

Fault effects
- Shiftlock power supply switch-off
- Shiftlock function switch-off
- No shift-lock function
- Selector lever is blocked in P and can be released only mechanically (emergency release)
- White transmission limp-home indication in instrument cluster