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
All the stoplamps are inoperative	Fuse Wiring, terminals or connectors Stoplamp switch Body Control Module (BCM)	VERIFY the bulbs are OK. If OK, GO to PINPOINT TEST I .
One or more stoplamps are inoperative	Fuse Wiring, terminals or connectors Bulb holder (vehicles with pickup bed) Rear lamp assembly (vehicles without pickup bed) High mounted stoplamp Body Control Module (BCM)	VERIFY the bulb(s) are OK. If OK, GO to PINPOINT TEST J .
The stoplamp(s) are on continuously	Wiring, terminals or connectors Stoplamp switch Trailer Brake Control (TBC) module PCM BCM	GO to PINPOINT TEST K .