Symptom Chart: Stoplamps

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information regarding Ford-specific diagnostic practices.

SYMPTOM CHART

Condition	Possible Sources	Actions
A module does not respond to the scan tool	Fuse Wiring, terminals or connectors Module	REFER to SYMPTOM CHART: COMMUNICATION NETWORK .
All the stoplamps are inoperative	Fuse Wiring, terminals or connectors Stoplamp Switch BCM	REFER to Diagnostic Routine M: All The Stoplamps Are Inoperative .
One or more stoplamps are inoperative	Wiring, terminals or connectors Rear lamp assembly High mounted stoplamp	REFER to Diagnostic Routine N: One Or More Stoplamps Are Inoperative .
The stoplamps are on continuously	Wiring, terminals or connectors Stoplamp Switch RFA module PCM BCM	REFER to Diagnostic Routine O: The Stoplamps Are On Continuously .