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
One or both low beams are inoperative	Fuse Bulb(s) Wiring, terminals or connectors Body Control Module (BCM)	VERIFY the bulbs are OK. If OK, GO to PINPOINT TEST A .
One or both high beams are inoperative	Fuse Bulb(s) Wiring, terminals or connectors Multifunction switch Steering Column Control Module (SCCM) BCM	VERIFY the bulbs are OK. If OK, GO to PINPOINT TEST B .
The low beam(s) are always on	Wiring, terminals or connectors Headlamp switch SCCM BCM	GO to PINPOINT TEST C .
The high beam(s) are always on	Wiring, terminals or connectors Multifunction switch SCCM BCM	GO to PINPOINT TEST D .
The flash-to-pass feature is inoperative	Multifunction switch SCCM	GO to PINPOINT TEST E .