Symptom Chart

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The horn is inoperative	Fuse Wiring, terminals or connectors Steering wheel harness Horn Clockspring Driver air bag module Body Control Module (BCM) Steering Column Control Module (SCCM)	GO to PINPOINT TEST A .
The horn is always on	Wiring, terminals or connectors Steering wheel harness Clockspring Driver air bag module BCM SCCM	GO to PINPOINT TEST B .