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 Fiesta SES, StandardFACTORY OEM SERVICE PROCEDURE
Remote Function Actuator (RFA) Module
REMOTE FUNCTION ACTUATOR (RFA) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B102B:05 | Passive Key: System Programming Failure | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B108B:23 | Start Button Circuit "A": Signal Stuck Low | Refer to STEERING COLUMN SWITCHES . |
| B108B:29 | Start Button Circuit "A": Signal Invalid | Refer to STEERING COLUMN SWITCHES . |
| B108C:23 | Start Button Circuit "B": Signal Stuck Low | Refer to STEERING COLUMN SWITCHES . |
| B10C6:1F | Exterior Trunk Antenna: Circuit Intermittent | Refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B10C7:1F | Interior Trunk Antenna: Circuit Intermittent | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10C8:1F | Interior Centre Antenna: Circuit Intermittent | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10C9:1F | Interior Front Antenna: Circuit Intermittent | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10D1:24 | Left Front Lock Button: Signal Stuck High | Refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B10D3:24 | Right Front Lock Button: Signal Stuck High | Refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B10D5:13 | PATS Antenna: Circuit Open | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10D6:62 | PATS Enable Status: Signal Compare Failure | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10D7:05 | PATS Key: System Programming Failure | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10D7:51 | PATS Key: Not Programmed | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10D7:81 | PATS Key: Invalid Serial Data Received | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10D8:00 | PATS Key Less Than Minimum Programmed: No Sub Type Information | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10D9:87 | PATS Transponder: Missing Message | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10DA:51 | PATS Target Identifier: Not Programmed | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10DA:62 | PATS Target Identifier: Signal Compare Failure | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10E6:11 | PATS Power Supply: Circuit Short To Ground | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10E6:12 | PATS Power Supply: Circuit Short To Battery | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| B10E7:11 | Ignition On Relay: Circuit Short To Ground | Refer to STEERING COLUMN SWITCHES . |
| B10E7:12 | Ignition On Relay: Circuit Short To Battery | Refer to STEERING COLUMN SWITCHES . |
| B10E7:16 | Ignition On Relay: Circuit Voltage Below Threshold | Refer to STEERING COLUMN SWITCHES . |
| B10E7:17 | Ignition On Relay: Circuit Voltage Above Threshold | Refer to STEERING COLUMN SWITCHES . |
| B113E:24 | External Boot/Trunk Release Switch: Signal Stuck High | Refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B11FD:1F | Left Front Exterior Antenna: Circuit Intermittent | Refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1210:1F | Right Front Exterior Antenna: Circuit Intermittent | Refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| P0560:16 | System Voltage: Circuit Voltage Below Threshold | Go to PINPOINT TEST H . |
| P0560:17 | System Voltage: Circuit Voltage Above Threshold | Go to PINPOINT TEST I . |
| P0615:12 | Starter Relay Circuit: Circuit Short To Battery | Refer to STARTING SYSTEM . |
| P081C:62 | Park Input Circuit: Signal Compare Failure | Refer to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES . |
| P1571:62 | Brake Switch: Signal Compare Failure | Refer to STARTING SYSTEM . |
| P1708:62 | Clutch Switch Circuit: Signal Compare Failure | Refer to STARTING SYSTEM . |
| U0001:00 | High Speed CAN Communication Bus: No Sub Type Information | Refer to MODULE COMMUNICATIONS NETWORK . |
| U0010:00 | Medium Speed CAN communication Bus: No Sub Type Information | Refer to MODULE COMMUNICATIONS NETWORK . |
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | Go to PINPOINT TEST J . |
| U0100:87 | Lost Communication With ECM/PCM "A": Missing Message | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| U0101:00 | Lost Communication with TCM: No Sub Type Information | Go to PINPOINT TEST K . |
| U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | Go to PINPOINT TEST L . |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | Go to PINPOINT TEST M . |
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | Go to PINPOINT TEST N . |
| U0300:05 | Internal Control Module Software Incompatibility: System Programming Failure | CARRY OUT Programmable Module Installation (PMI) on the RFA module. Refer to MODULE CONFIGURATION . |
| U201B:54 | Control Module Calibration Data #2: Missing Calibration | CARRY OUT Programmable Module Installation (PMI) on the RFA module. Refer to MODULE CONFIGURATION . |
| U201F:00 | External Receiver: No Sub Type Information | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| U201F:13 | External Receiver: Circuit Open | Refer to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | CARRY OUT Programmable Module Installation (PMI) on the RFA module. Refer to MODULE CONFIGURATION . |
| U2101:00 | Control Module Configuration Incompatible: No Sub Type Information | CARRY OUT Programmable Module Installation (PMI) on the RFA module. Refer to MODULE CONFIGURATION . |
| U3000:01 | Control Module: General Electrical Failure | ADDRESS all other DTCs first. CLEAR the DTCs. REPEAT the self-test. If DTC U3000:01 is retrieved again, INSTALL a new RFA . Refer to REMOTE FUNCTION ACTUATOR (RFA) MODULE in this information. |
| U3000:42 | Control Module: General Memory Failure | ADDRESS all other DTCs first. CLEAR the DTCs. REPEAT the self-test. If DTC U3000:42 is retrieved again, INSTALL a new RFA . Refer to REMOTE FUNCTION ACTUATOR (RFA) MODULE in this information. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | Go to PINPOINT TEST O . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | Go to PINPOINT TEST P . |
| U3003:62 | Battery Voltage: Signal Compare Failure | Go to PINPOINT TEST Q . |
| U3004:11 | Accessory Power Relay: Circuit Short To Ground | Refer to STEERING COLUMN SWITCHES . |
| U3004:12 | Accessory Power Relay: Circuit Short To Battery | Refer to STEERING COLUMN SWITCHES . |
| U300E:62 | Ignition Input On: Signal Compare Failure | Refer to STEERING COLUMN SWITCHES . |
| U300F:62 | Ignition Input Accessory: Signal Compare Failure | Refer to STEERING COLUMN SWITCHES . |
| U3010:62 | Ignition Input Start: Signal Compare Failure | Refer to STEERING COLUMN SWITCHES . |
| U3011:62 | Ignition Input Off: Signal Compare Failure | Refer to STEERING COLUMN SWITCHES . |
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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