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.
2012 Lincoln MKS Base, FWDFACTORY OEM SERVICE PROCEDURE
Remote Function Actuator (RFA) Module DTC Chart
REMOTE FUNCTION ACTUATOR (RFA) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1175:13 | Driver Door Ajar Switch: Circuit Open | GO to Pinpoint Test E . |
| B1176:13 | Passenger Door Ajar Switch: Circuit Open | GO to Pinpoint Test E . |
| B1178:13 | Boot/Trunk Ajar Switch: Circuit Open | GO to Pinpoint Test H . |
| B11C0:13 | Driver Side Rear Door Ajar Switch: Circuit Open | GO to Pinpoint Test E . |
| B11C1:13 | Passenger Side Rear Door Ajar Switch: Circuit Open | GO to Pinpoint Test E . |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES . |
Factory Service Tools
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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.
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