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.
2011 Ford Explorer Limited, FWDFACTORY OEM SERVICE PROCEDURE
Transmission Control Switch (TCS)
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Reference |
|---|---|---|
| P1780 | Transmission Controls Switch (TCS) | Diagnostic Routine B |
| B1319:11 | Brake Shift Interlock Actuator (BSIA) System | Diagnostic Routine C |
| B1319:15 | Brake Shift Interlock Actuator (BSIA) System | Diagnostic Routine D |
Factory Service Tools
Use the Manual With the Right Hardware
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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.