Transfer Box

Fault code 1315

Tiptronic control module

Diagnostic conditions
- Ignition on
- Internal control module function test

Possible cause of fault
- To localise the fault, read out the 'Tiptronic control module' fault memory (Please read out fault memory)
- No message from Tiptronic control module on CAN drive (no signal/ communication)

Affected pins
Transfer box control module plug:
- Pin 11 'CAN drive (low)'
- Pin 42 'CAN drive (high)'

Diagnosis/troubleshooting VG 0101

NOTE: If there is no incoming signal/message via the CAN drive using several control modules, the CAN drive must be checked for open or short circuits. Refer to 'Checking instructions/CAN data bus'.