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.
Automatic Transaxle-Transmission External Controls - Transmission Control Switch (TCS): Overview
2012 Ford Explorer FWD V6-3.5LSECTION Overview
Automatic Transaxle-Transmission External Controls - Transmission Control Switch (TCS)
Overview
The transmission selector lever linkage consists of:
- a selector lever cable that connects the transmission manual control lever to the selector lever assembly.
- a BSIA (Brake Shift Interlock Actuator) that is integral to the selector lever assembly.
- a TCS (Transmission Control Switch) that is integral to the selector lever knob and turns off the operation of 6th gear.
The selector lever assembly:
- locks the transmission selector lever in the PARK position when the ignition switch is in the LOCK position.
- requires the transmission selector lever to be in the PARK position to turn the ignition switch to the LOCK position.
RENDER: 1.0x
NO RELATED
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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.