Symptom Chart

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in REFER to SERVICE INFORMATION for information about these practices.

In most circumstances, the TCM sets DTCs to help guide with diagnostics. Refer to the DTC CHART before using the symptom chart. The Condition column lists the vehicle condition. The Possible Sources column lists a detailed vehicle condition. The Action column lists the action to be performed to determine the cause of the condition. Each action lists the components that can cause the system and the individual components in that system.

SYMPTOM CHART

Condition	Possible Sources	Action
Brake shift interlock system does not release/lock correctly	Circuitry open or shorted to ground BCM fuse 18 (10A) Selector lever mechanism BSIA damaged Selector lever cable	REFER to PINPOINT TESTS . INSTALL a new selector lever mechanism. REFER to SELECTOR LEVER MECHANISM . VERIFY selector lever cable adjustment. REFER to SELECTOR LEVER CABLE ADJUSTMENT .
TCS (Low Gear Select) does not operate correctly	Circuitry open or shorted to ground BCM fuse 35 (5A) Low gear select switch	REFER to GO to PINPOINT TEST C .
Selector lever cable is out of correct gear relationship	Selector lever cable out of adjustment	REFER to SELECTOR LEVER CABLE ADJUSTMENT .
	Loose selector lever cable or bracket	CHECK the selector lever cable and bracket. REFER to SELECTOR LEVER CABLE ADJUSTMENT .
Vibration - a high frequency (20-80 Hz) that is felt through the seat or selector lever. Changes with engine speed	Selector lever cable incorrectly routed, grounded out or loose	REFER to SELECTOR LEVER CABLE ADJUSTMENT .