Symptom Chart - External Controls

SYMPTOM CHART

Condition	Possible Sources	Action
Brake shift interlock system does not release/lock correctly	Circuitry open or shorted to ground	GO to PINPOINT TEST A .
	Fuse	INSTALL a new selector lever assembly. REFER to SELECTOR LEVER in this service information.
	Brake Shift Interlock Actuator (BSIA) damaged Brake Pedal Position (BPP) switch Transmission Range (TR) sensor	DIAGNOSE and REPAIR all TR sensor DTCs . REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 6F50/6F55 .
TCS does not operate correctly	Instrument Cluster (IC)	REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .
TCS does not operate correctly	Circuitry open/shorted PCM TCS	GO to PINPOINT TEST D .
Selector lever linkage is out of correct gear relationship	Selector lever linkage out of adjustment	REFER to SELECTOR LEVER CABLE ADJUSTMENT in this service information.
	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.