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.
2013 Ford Flex SEFACTORY OEM SERVICE PROCEDURE
Remote Function Actuator (RFA) Module
REMOTE FUNCTION ACTUATOR (RFA) MODULE DTC CHART
| DTC | Description | Action |
|---|---|---|
| B108A:12 | Start Button: Circuit Short To Battery | REFER to STEERING COLUMN SWITCHES . |
| B10AB:06 | Remote Keyless Entry Synchronization: Algorithm Based Failure | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B10C6:01 | Exterior Trunk Antenna: General Electrical Failure | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B10C7:01 | Interior Trunk Antenna: General Electrical Failure | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10C8:01 | Interior Centre Antenna: General Electrical Failure | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10C9:01 | Interior Front Antenna: General Electrical Failure | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10D7:05 | PATS Key: System Programming Failure | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10D7:31 | PATS Key: No Signal | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10D8:51 | PATS Key Less Than Minimum Programmed: Not Programmed | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10D9:11 | PATS Transponder: Circuit Short To Ground | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10D9:12 | PATS Transponder: Circuit Short To Battery | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10D9:31 | PATS Transponder: No Signal | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10D9:87 | PATS Transponder: Missing Message | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10DA:51 | PATS Target Identifier: Not Programmed | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B10DA:61 | PATS Target Identifier: Signal Calculation Failure | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS), WITH INTELLIGENT ACCESS (IA) . |
| B113E:11 | External Boot/Trunk Release Switch: Circuit Short To Ground | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B11C6:01 | Passenger Door External Antenna: General Electrical Failure | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B11CA:01 | Driver Door External Antenna: General Electrical Failure | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B121A:11 | Keypad Illumination Output: Circuit Short To Ground | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B121A:15 | Keypad Illumination Output: Circuit Short To Battery or Open | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B121B:11 | Keypad Input Switch: Circuit Short To Ground | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B1381:11 | Left Front Door Handle Proximity Sensor: Circuit Short To Ground | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B1381:15 | Left Front Door Handle Proximity Sensor: Circuit Short To Battery or Open | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B1381:29 | Left Front Door Handle Proximity Sensor: Signal Invalid | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B1382:11 | Right Front Door Handle Proximity Sensor: Circuit Short To Ground | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B1382:15 | Right Front Door Handle Proximity Sensor: Circuit Short To Battery or Open | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| B1382:29 | Right Front Door Handle Proximity Sensor: Signal Invalid | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| P1571:12 | Brake Switch: Circuit Short To Battery | REFER to EXTERIOR LIGHTING . |
| U0140:87 | Lost Communication With Body Control Module: Missing Message | GO to PINPOINT TEST I . |
| U1000:00 | Solid State Driver Protection Active - Driver Disabled: No Sub Type Information | GO to PINPOINT TEST J . |
| U201F:31 | External Receiver: No Signal | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS WITH INTELLIGENT ACCESS (IA) . |
| U201F:56 | External Receiver: Invalid/Incompatible Configuration | CARRY OUT PMI on the RFA module. REFER to MODULE CONFIGURATION . CLEAR the DTCs. REPEAT the self-test. If DTC U201F:56 is retrieved again, INSTALL a new RFA module. REFER to REMOTE FUNCTION ACTUATOR (RFA) MODULE . |
| U2100:55 | Initial Configuration Not Complete: Not Configured | CARRY OUT PMI on the RFA module. REFER to MODULE CONFIGURATION . CLEAR the DTCs. REPEAT the self-test. If DTC U2100:55 is retrieved again, INSTALL a new RFA module. REFER to REMOTE FUNCTION ACTUATOR (RFA) MODULE . |
| U3000:49 | Control Module: Internal Electronic Failure | DIAGNOSE all other DTCs first. If no other DTCs are present, INSTALL a new RFA module. REFER to REMOTE FUNCTION ACTUATOR (RFA) MODULE . |
| U3003:62 | Battery Voltage: Signal Compare Failure | GO to PINPOINT TEST K . |
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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