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 MANUALSFORD2012EXPLORER AWD V6-3.5LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLEDESCRIPTION AND OPERATIONAUTOMATIC TRANSAXLE-TRANSMISSION EXTERNAL CONTROLS - TRANSMISSION CONTROL SWITCH (TCS)COMPONENT DESCRIPTION
2012 Ford Explorer AWD V6-3.5L
Component Description
2012 Ford Explorer AWD V6-3.5LSECTION Component Description
Automatic Transaxle-Transmission External Controls - Transmission Control Switch (TCS)
Component Description
Brake Shift Interlock Actuator
The brake shift interlock system consists of:
- BSIA (Brake Shift Interlock Actuator) that is integral to the selector lever assembly.
- ignition switch.
- BPP (Brake Pedal Position) switch.
- BCM (Body Control Module).
Selector Lever Cable
The selector lever cable consists of:
- a cable that connects the transmission manual control lever to the selector lever assembly.
- a cable grommet that is fastened to the floor pan.
- adjuster locking tab at the transmission manual control lever.
Selector Lever
The selector lever consists of:
- Selector lever knob
- BSIA (Brake Shift Interlock Actuator) that is integral to the selector lever assembly.
- TCS (Transmission Control Switch) that is integral to the selector lever knob.
Transmission Control Switch (TCS)
The TCS (Transmission Control Switch) is a momentary contact switch integral to the selector lever knob.
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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.