Symptom Chart - External Controls

SYMPTOM CHART - EXTERNAL CONTROLS

Condition	Possible Sources	Action
Shift interlock system does not release/lock correctly	Circuitry open/shorted Fuse(s) Stoplight switch	Go to Pinpoint Test A .
Shift interlock system does not release/lock correctly	Shift lock actuator	INSTALL a new selector lever assembly. REFER to Selector Lever .
	Transmission range (TR) sensor	DIAGNOSE and REPAIR all TR sensor DTCs. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 6F50 article.
Transmission control (TC) switch does not operate correctly	Instrument cluster Circuitry open/shorted PCM TC switch	Go to Pinpoint Test B .
Selector lever linkage is out of correct gear relationship	Selector lever linkage out of adjustment	REFER to Selector Lever Cable Adjustment .
	Loose selector lever cable bracket	CHECK the selector lever cable bracket. TIGHTEN as necessary.