Transverse Lock

Fault Code 1316

PSM control unit

Diagnostic conditions
- Ignition on
- Transverse lock control unit internal function test
- Vehicle speed greater than 0 km/h

Possible cause of fault
- 'Please read out fault memory': to localise fault, read out fault memory for 'PSM control unit'
- 'No signal/communication': no message from 'PSM control unit' on CAN drive

Affected pins
Transverse lock control unit plug:
- Pin 11 'CAN drive (low)'
- Pin 42 'CAN drive (high)'

Diagnosis/troubleshooting

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