Parkassist

Fault code 0455

KESSY control unit (CAN comfort)

Diagnostic conditions
- Ignition on
- ParkAssist control unit internal function test
- Selector lever position in transmission range R or N

Possible cause of fault
- No signal/communication (no signal from KESSY control unit on CAN comfort)
- Fault entered in KESSY control unit

Affected pins
Plug A for control unit:
- Pin 3 'CAN comfort (low)'
- Pin 4 'CAN comfort (high)'

Diagnosis/troubleshooting