P0706

P0706

Multi-function Switch

Diagnostic conditions:
- Ignition on
- Move selector lever to all positions (P, R, N, D)

Possible fault causes:
- Short circuit to B+/ground/between lines or open circuit
- Multi-function switch faulty
- Control module faulty

Fault reaction:
- From fault detection to fault confirmation and entry:
- The current gear is held.
- The torque converter lockup clutch is opened and held open.
- After fault confirmation and entry:
- A warning is displayed in the instrument cluster.
- The torque converter lockup clutch is held open.
- The transmission is shifted into conditional limp home mode, i.e.:
- after fulfilling specific conditions (e.g., going below a speed threshold of 80 km/h (50 mph) in 5th gear), the transmission is shifted into mechanical limp home mode, i.e.:
- The pressure adjuster and solenoid valves are switched off.
- This opens the torque converter lockup clutch and 4th gear is firmly selected.
- The gear display shows 4th gear.