Pressure Sensor Clutch 2, Signal Implausible

P0846

Diagnosis information - PDK

Pressure sensor clutch 2, signal implausible

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
- Line between pressure sensor 2 and PDK control unit faulty
- Pressure sensor 2 faulty
- PDK control unit faulty

Fault setting conditions
- Measured pressure deviates from the internal plausibility. Permissible limit value was exceeded.

Fault effects
- Engaged gear is held until vehicle stops
- Moving off possible only in 3rd gear
- Only gears 1, 3, 5 and 7 are possible
- Start enable only in selector lever position P
- Transmission limp-home indication in instrument cluster control unit