SECTION 419-10: Multifunction Electronic Modules
2014 Flex Workshop Manual
DIAGNOSIS AND TESTING
Procedure revision date: 05/02/2013

Remote Function Actuator (RFA) Module

 

DTC Charts

 Remote Function Actuator (RFA) Module DTC Chart

DTC Description Action
B108A:12 Start Button: Circuit Short To Battery REFER to Section 211-05 .
B10AB:06 Remote Keyless Entry Synchronization: Algorithm Based Failure REFER to Section 501-14B .
B10C6:01 Exterior Trunk Antenna: General Electrical Failure REFER to Section 501-14B .
B10C7:01 Interior Trunk Antenna: General Electrical Failure REFER to Section 419-01C .
B10C8:01 Interior Centre Antenna: General Electrical Failure REFER to Section 419-01C .
B10C9:01 Interior Front Antenna: General Electrical Failure REFER to Section 419-01C .
B10D7:05 PATS Key: System Programming Failure REFER to Section 419-01C .
B10D7:31 PATS Key: No Signal REFER to Section 419-01C .
B10D8:51 PATS Key Less Than Minimum Programmed: Not Programmed REFER to Section 419-01C .
B10D9:11 PATS Transponder: Circuit Short To Ground REFER to Section 419-01C .
B10D9:12 PATS Transponder: Circuit Short To Battery REFER to Section 419-01C .
B10D9:31 PATS Transponder: No Signal REFER to Section 419-01C .
B10D9:87 PATS Transponder: Missing Message REFER to Section 419-01C .
B10DA:51 PATS Target Identifier: Not Programmed REFER to Section 419-01C .
B10DA:61 PATS Target Identifier: Signal Calculation Failure REFER to Section 419-01C .
B113E:11 External Boot/Trunk Release Switch: Circuit Short To Ground REFER to Section 501-14B .
B11C6:01 Passenger Door External Antenna: General Electrical Failure REFER to Section 501-14B .
B11CA:01 Driver Door External Antenna: General Electrical Failure REFER to Section 501-14B .
B121A:11 Keypad Illumination Output: Circuit Short To Ground REFER to Section 501-14B .
B121A:15 Keypad Illumination Output: Circuit Short To Battery or Open REFER to Section 501-14B .
B121B:11 Keypad Input Switch: Circuit Short To Ground REFER to Section 501-14B .
B1381:11 Left Front Door Handle Proximity Sensor: Circuit Short To Ground REFER to Section 501-14B .
B1381:15 Left Front Door Handle Proximity Sensor: Circuit Short To Battery or Open REFER to Section 501-14B .
B1381:29 Left Front Door Handle Proximity Sensor : Signal Invalid REFER to Section 501-14B .
B1382:11 Right Front Door Handle Proximity Sensor: Circuit Short To Ground REFER to Section 501-14B .
B1382:15 Right Front Door Handle Proximity Sensor: Circuit Short To Battery or Open REFER to Section 501-14B .
B1382:29 Right Front Door Handle Proximity Sensor: Signal Invalid REFER to Section 501-14B .
P1571:12 Brake Switch: Circuit Short To Battery REFER to Section 417-01 .
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 Section 501-14B .
U201F:56 External Receiver: Invalid/Incompatible Configuration CARRY OUT PMI on the RFA module. REFER to Section 418-01 . 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 Section 418-01 . 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 .

 

Symptom Chart

 
Symptom Chart

NOTE: Refer to Description and Operation, Intelligent Access (IA) with Push Button Start in Section 419-01B to review the procedures for achieving the various ignition states (ignition off, ignition in accessory, ignition on, ignition start) on vehicles with this feature.

Condition Possible Sources Action
  • The RFA module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • RFA module
  • REFER to Section 418-00 , The RFA Module Does Not Respond To The Scan Tool.
 

Pinpoint Tests

 

Pinpoint Test I: DTC U0140:87

Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

Normal Operation and Fault Conditions



 DTC Fault Trigger Conditions

DTC Description Fault Trigger Conditions
U0140:87 Lost Communication With Body Control Module: Missing Message Sets in the RFA module if more than 10 ignition position messages are missing from the BCM .

 
PINPOINT TEST I: DTC U0140:87
Test Step Result / Action to Take
  I1 VERIFY THE CUSTOMER CONCERN  
  • Ignition ON.
  • Verify there is an observable symptom present.
  • Is an observable symptom present?
Yes
GO to I2 .

No
The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
  I2 CHECK THE COMMUNICATION NETWORK  
  • Ignition ON.
  • Using a scan tool, perform the network test.
  • Does the BCM pass the network test?
Yes
GO to I3 .

No
REFER to Section 418-00 , The BCM Does Not Respond To The Scan Tool.
  I3 RETRIEVE THE RECORDED DTCs FROM THE RFA MODULE SELF-TEST  
  • Using a scan tool, perform the RFA module self-test.
  • Is DTC U3003:62 recorded?
Yes
GO to Pinpoint Test K .

No
GO to I4 .
  I4 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST  
  • Using a scan tool, perform the BCM self-test.
  • Is DTC U3003:16 or DTC U3003:17 recorded?
Yes
For DTC U3003:16, GO to Pinpoint Test G .

For DTC U3003:17, GO to Pinpoint Test H .

No
GO to I5 .
  I5 RECHECK THE RFA MODULE DTCs  

    NOTE: If new modules were installed prior to the DTC being set, the module configuration may be incorrectly set during PMI or the PMI may not have been carried out.

  • Using a scan tool, clear the DTCs. Repeat the RFA module self-test.
  • Is DTC U0140:87 still present?
Yes
GO to I6 .

No
The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.
  I6 CHECK FOR DTC U0140:87 SET IN OTHER MODULES  
  • Ignition OFF.
  • Ignition ON.
  • Using a scan tool, clear the DTCs. Repeat the BCM self-test.
  • Is DTC U0140:87 set in any other module?
Yes
INSTALL a new BCM . REFER to Body Control Module (BCM) .

No
INSTALL a new RFA module. REFER to Remote Function Actuator (RFA) Module .
 

Pinpoint Test J: DTC U1000:00

Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

Normal Operation and Fault Conditions



 DTC Fault Trigger Conditions

DTC Description Fault Trigger Conditions
U1000:00 Solid State Driver Protection Activated-Driver Disabled: No Sub Type Information Sets when the RFA module has disabled a circuit due to a repetitive circuit overload and a progressive threshold is met.

 
PINPOINT TEST J: DTC U1000:00
Test Step Result / Action to Take
  J1 REVIEW THE DTCs  
  • Review the DTCs from the RFA module self-test.
  • Are any other DTCs present, besides U1000:00 or U3000:49?
Yes
REFER to DTC Chart: RFA in this section.

No
GO to J2 .
  J2 REPEAT THE RFA MODULE SELF-TEST  
  • Ignition ON.
  • Clear the DTCs.
  • Using a scan tool, perform the RFA module self- test.
  • Is DTC U3000:49 present?
Yes
INSTALL a new RFA module. REFER to Remote Function Actuator (RFA) Module .

No
The system is operating correctly at this time. The circuit short has been repaired.
 

Pinpoint Test K: DTC U3003:62

Diagnostic Overview

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Section 100-00 for information about these practices.

Refer to Wiring Diagrams Cell 10 , Grounds for schematic and connector information.

Refer to Wiring Diagrams Cell 13 , Power Distribution/BCM for schematic and connector information.

Normal Operation and Fault Conditions



 DTC Fault Trigger Conditions

DTC Description Fault Trigger Conditions
U3003:62 Battery Voltage: Signal Compare Failure A DTC that sets in the RFA if the battery voltage detected on the voltage supply circuit is lower than the voltage supply message received from the BCM over the MS-CAN .

 
PINPOINT TEST K: DTC U3003:62
Test Step Result / Action to Take
  K1 RECHECK THE RFA MODULE DTCs  
  • Ignition OFF.
  • Ignition ON.
  • Using a scan tool, clear the DTCs. Repeat the RFA module self-test.
  • Is DTC U3003:62 still present?
Yes
GO to K2 .

No
The system is operating normally at this time. The DTC may have been set due to a previous low battery voltage condition, during battery charging or while jump starting the vehicle.
  K2 CHECK FOR CHARGING SYSTEM DTCs IN THE PCM  
  • Using a scan tool, perform the PCM KOEO self-test.
  • Are any charging system DTCs set in the PCM?
Yes
REFER to Section 414-00 .

No
GO to K3 .
  K3 CHECK FOR DTCs B1317, B1318, B1676, P0563, U3003:16 OR U3003:17 SET IN OTHER MODULES  
  • Using a scan tool, retrieve the continuous memory DTCs from all modules.
  • Is DTC B1317, B1318, B1676, P0563 (PCM), U3003:16 or U3003:17 set in any other module?
Yes
REFER to Section 414-00 : to diagnose the charging system condition.

No
GO to K4 .
  K4 CHECK THE BATTERY VOLTAGE  
  • Turn off all interior/exterior lights and accessories.
  • Start and run the engine at approximately 2,000 RPM for 3 minutes while monitoring the battery voltage.
  • Does the battery voltage rise to 15 volts or higher?
Yes
REFER to Section 414-00 : Charging System to diagnose the charging system condition.

No
GO to K5 .
  K5 CHECK THE BATTERY CONDITION AND STATE OF CHARGE  
  • Ignition OFF.
  • Check the battery condition and verify the battery is fully charged. Refer to Section 414-00 .
  • Is the battery OK and fully charged?
Yes
GO to K6 .

No
REFER to Section 414-00 .
  K6 CHECK THE RFA MODULE VOLTAGE PID  
  • Ignition ON.
  • Measure and record the voltage at the battery.
  • Enter the following diagnostic mode on the scan tool: RFA Module DataLogger.
  • Monitor the RFA module voltage PID (ECU_Pwr_Sup).
  • Is the voltage within 0.2 volt of the recorded battery voltage?
Yes
GO to K9 .

No
GO to K7 .
  K7 CHECK THE RFA MODULE VOLTAGE SUPPLY  
  • Ignition OFF.
  • Disconnect: RFA Module C2153C.
  • Ignition ON.
  • Measure the voltage between:


    • Positive Lead Negative Lead
    Pin Circuit Pin Circuit
    C2153C-1 SBP11 (BU/RD) — Ground
    C2153C-5 SBP27 (BU/RD) — Ground



  • Are the voltages within 0.2 volt of the recorded battery voltage?
Yes
GO to K8 .

No
REPAIR the circuit for high resistance as necessary. CLEAR the DTC.
  K8 CHECK THE RFA MODULE GROUND CIRCUIT FOR HIGH RESISTANCE  
  • Ignition OFF.
  • Measure the resistance between:


    • Positive Lead Negative Lead
    Pin Circuit Pin Circuit
    C2153C-3 GD374 (BK/WH) — Ground



  • Is the resistance less than 3 ohms?
Yes
GO to K9 .

No
REPAIR the circuit for high resistance. CLEAR the DTC.
  K9 CHECK FOR CORRECT RFA MODULE OPERATION  
  • Disconnect the RFA module connectors.
  • Repair:
    • corrosion (install new connector or terminals -clean module pins)
    • damaged pins - install new terminals/pins
    • pushed-out pins - install new pins as necessary
  • Reconnect the RFA module connectors and make sure they seat and latch correctly.
  • Operate the system and determine if the concern is still present.
  • Is the concern still present?
Yes
CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new RFA module. REFER to Remote Function Actuator (RFA) Module .

No
The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.