Gateway

Fault code 1517

Trailer hitch control module

Diagnostic conditions
- Ignition on
- Internal function test on instrument cluster and gateway

Possible causes of fault
- No signal/communication (no signal from trailer hitch control module on CAN comfort)

Affected pins
Instrument cluster, plug B:
- Pin 27 'CAN comfort (high)'
- Pin 28 'CAN comfort (low)'

Diagnosis/troubleshooting