Symptom Chart

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

Condition	Possible Sources	Action
Brake shift interlock system does not release/lock correctly	REFER to the diagnostic routines BSIA damaged BPP switch TR sensor Selector lever cable	GO to Pinpoint Test A or GO to Pinpoint Test B . INSTALL a new selector lever assembly. REFER to Selector Lever . DIAGNOSE and REPAIR all TR sensor DTCs. REFER to Automatic Transmission 6F50/6F55 . VERIFY selector lever cable adjustment. REFER to Selector Lever Cable Adjustment - 6F50/6F55 .
TCS does not operate correctly	IPC REFER to the diagnostic routines	REFER to Instrumentation, Message Center, and Warning Chimes . GO to Pinpoint Test E .
Selector lever linkage is out of correct gear relationship	Selector lever linkage out of adjustment	REFER to Selector Lever Cable Adjustment - 6F50/6F55 .
Manual control lever not aligned correctly on the TR sensor (flat surfaces do not line up)		REMOVE the manual control lever nut and CHECK the alignment of the manual control lever.
Loose selector lever cable bracket		CHECK the selector lever cable bracket. TIGHTEN as necessary.
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 .
The ignition key cannot be returned to the OFF position or the ignition key can be turned to the OFF position when the selector lever is not in PARK	Wiring, terminals or connectors Ignition lock cylinder Key removal inhibit solenoid (part of the ignition switch) Park detect switch (part of the selector lever) Selector lever cable Mechanical damage to the selector lever, selector lever cable or selector lever knob	REFER to Steering Column Switches .
The PRNDL indicator does not illuminate PARK	Wiring, terminals or connectors PCM concern IPC Park detect switch (part of the selector lever assembly)	REFER to Instrumentation, Message Center, and Warning Chimes .
The message center displays Shift To PARK when the selector lever is in PARK	Selector lever cable out of adjustment IPC Wiring, terminals or connectors Park detect switch (part of the selector lever) BCM concern	REFER to Selector Lever Cable Adjustment - 6F50/6F55 . REFER to Instrumentation, Message Center, and Warning Chimes .