Shift Rod 2 Displacement Sensors

P1734

Diagnosis information - PDK

Shift rod 2 displacement sensors

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: P1706
- The following fault is not detected: P1707

Possible fault causes
- Line between displacement sensor 2 and PDK control unit faulty
- Displacement sensor module faulty
- PDK control unit faulty

Fault setting conditions
- Duty cycle of displacement sensor 2 outside valid value range (10-90 %)

Fault effects
- Pressure regulator for system pressure, switch-off
- Pressure regulator for gear selection, switch-off
- Solenoid valves for gear cylinder selection, switch-off
- No R gear
- No emergency program diagnosis
- Last gear held
- Transmission limp-home indication in instrument cluster control unit