AWS

Fault Code 0455

Kessy control unit

Diagnostic conditions
- Switch on ignition (switch it off first if necessary)
- Internal function test on AWS control unit

Possible cause of fault
- No signal/communication (no signal from Kessy control unit on CAN comfort)
- No power supply to Kessy control unit/Kessy control unit not connected
- CAN comfort interrupted (high + low)

Diagnosis/Troubleshooting