Panorama Roof System

Fault code 0455

KESSY control unit (CAN comfort)

Diagnostic conditions
- Ignition on
- Panorama roof system (PDS) control unit, internal function test

Possible cause of fault
- No signal/communication (no signal from KESSY control module on CAN comfort)

Affected pins
Panorama roof system (PDS) control unit plug A:
Pin 5 'CAN HIGH'
Pin 10 'CAN LOW'

Diagnosis/troubleshooting