Operation CHARM: Car repair manuals for everyone.

Horn Input Stuck

Test 1-3:






SYMPTOM
HORN INPUT STUCK

WHEN MONITORED
Continuously with the ignition on.

SET CONDITION
The FCM has detected a fault in the Horn Switch Sense circuit.

POSSIBLE CAUSES
- Front control module internal malfunction
- Horn switch sense circuit short to ground
- Intermittent condition
- PDC internal malfunction