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)
2012 Ford Explorer FWD V6-3.5LSECTION Automatic Transaxle-Transmission External Controls - Transmission Control Switch (TCS)
Brake Shift Interlock Override
General Procedure
1. NOTE: If it is necessary to use the override procedure to move the selector lever out of the PARK position, it is possible that an electrical failure has occurred. Using the scan tool check for DTCs (Diagnostic Trouble Codes).
This vehicle is equipped with a brake shift interlock feature that prevents the selector lever from being moved out of PARK when the ignition is in the ON position until the brake pedal is applied.
If the selector lever cannot be moved out of the PARK position when the ignition is in the ON position and the brake pedal is applied:
Apply the parking brake.
2. Open the forward storage compartment and remove the rubber protective cover.
3. Carefully remove the BSIA (Brake Shift Interlock Actuator) access cover.
4. NOTE: Storage bin has been removed for clarity.
From the front of the selector lever, locate the BSIA (Brake Shift Interlock Actuator), apply the brake, pull and hold the BSIA (Brake Shift Interlock Actuator) lever while moving the selector lever into NEUTRAL.
5. Install the BSIA (Brake Shift Interlock Actuator) access cover.
6. Install the rubber protective cover and close the forward storage compartment.
7. Press the brake pedal, start the vehicle and release the parking brake.
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.