Kessy/Immobiliser

Fault code 1320

Air-conditioning system regulator control module

Diagnostic conditions
- Internal KESSY control module function test

Possible cause of fault
- No signal/communication (no signal from air-conditioning system regulator control module on CAN comfort)

Affected pins
KESSY control module plug A:
- Pin 23 'CAN comfort (low)'
- Pin 24 'CAN comfort (high)'

Diagnosis/troubleshooting