Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2010TAURUS SEL, FWDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - AUTOMATIC TRANSAXLE/TRANSMISSION - EXTERNAL CONTROLSDIAGNOSIS AND TESTINGEXTERNAL CONTROLSSYMPTOM CHART - EXTERNAL CONTROLS

2010 Ford Taurus SEL, FWD

Symptom Chart - External Controls

2010 Ford Taurus SEL, FWDSECTION Symptom Chart - External Controls

EXTERNAL CONTROLS - SYMPTOM CHART

Condition	Possible Sources	Action
Brake shift interlock system does not release/lock correctly	Circuitry open/shorted Smart Junction Box (SJB) fuse 5 (10A) Brake Pedal Position (BPP) switch	Go To PINPOINT TEST A .
Transmission Control Switch (TCS) does not operate correctly	Instrument Cluster (IC) Circuitry open/shorted PCM TCS	Go To PINPOINT TEST B .
Brake shift interlock system does not release/lock correctly	Brake Shift Interlock Actuator (BSIA)	INSTALL a new selector lever assembly. REFER to SELECTOR LEVER .
	Transmission Range (TR) sensor	DIAGNOSE and REPAIR all TR sensor DTCs. REFER to DIAGNOSIS AND TESTING .
Selector lever linkage is out of correct gear relationship	Selector lever linkage out of adjustment	REFER to SELECTOR LEVER CABLE ADJUSTMENT .
Selector lever linkage is out of correct gear relationship	Loose selector lever cable bracket	CHECK the selector lever cable bracket. TIGHTEN as necessary.
Select shift does not operate correctly	Circuitry open/shorted Paddle shifters PCM	Go To PINPOINT TEST C .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.