Transfer Box

Fault code 2050

Transfer box switching fault

NOTE: After successful read out the fault memory must be erased and after satisfying the diagnostic conditions below must be read out again.

Diagnostic conditions
- Ignition on
- Internal transfer box control unit function test
- Vehicle stationary
- Engine running
- Brake actuated
- Selector lever position 'N'
- Via the left rocker switch on the 'selector switch (running gear control module)', alternately select the functions 'off-road driving program' and 'on-road driving program'

Possible causes of fault
- 'Mechanical fault': mechanical wear in transfer box

Affected pins
Transfer box control unit plug:
- Pin'-'

Diagnosis/troubleshooting