Symptom Chart: Stoplamps

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Service Information for information regarding Ford-specific diagnostic practices.

Condition	Possible Sources	Actions
A module does not respond to the scan tool	Fuse Wiring, terminals or connectors Module	REFER to Module Communications Network .
All the stoplamps are inoperative	Fuse Wiring, terminals or connectors BPP Switch BCM	GO to Pinpoint Test AD .
One or more stoplamps are inoperative	Fuse Wiring, terminals or connectors Rear lamp assembly High mounted stoplamp	GO to Pinpoint Test AE .
The stoplamps are on continuously	Wiring, terminals or connectors BPP Switch RFA module PCM BCM	GO to Pinpoint Test AF .