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Home >> Ford >> 2020 >> Fusion Titanium Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Supplemental Restraint System (2 Of 3) (Except Hybrid)) >> Diagnosis And Testing >> Pinpoint Test - DTC: T - B11D8:12 and B11D8:14

Pinpoint Test - DTC: T - B11D8:12 and B11D8:14

WARNING: This page is about a different variant/trim than selected.

Refer to Supplemental Restraint System for schematic and connector information.

Normal Operation and Fault Conditions 

The RCM transmits an event notification signal which communicates crash status and SRS deployment status to the BCM and, if equipped, BECM. When the BCM receives an event notification signal which indicates a crash, it initiates fuel cut-off. On HEV and PHEV variants, the BECM also receives the event notification signal. When a crash is indicated, it commands the high voltage battery contactors open.

The RCM monitors the event notification signal circuit for the following faults:

If a fault is detected, the RCM stores DTC B11D8:12 or B11D8:14 in memory. The airbag warning indicator does not illuminate if B11D8:12 or B11D8:14 is set.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B11D8:12 Restraint Event Notification: Circuit Short to Battery A fault is indicated when the RCM senses a short to voltage on the event notification signal circuit for more than 15 seconds.
B11D8:14 Restraint Event Notification: Circuit Short to Ground or Open A fault is indicated when the RCM senses a short to ground or an open on the event notification signal circuit for more than 15 seconds.

Possible Sources 

PINPOINT TEST A : B11D8:12 AND B11D8:14 

  1. WARNING: Do not handle, move or change the original horizontal mounting position of the Restraints Control Module (RCM) while the Restraints Control Module (RCM) is connected and the ignition switch is ON. Failure to follow this instruction may result in the accidental deployment of the Safety Canopy® and cause serious personal injury or death.
  2. NOTE: Most faults are due to connector and/or wiring concerns. Carry out a thorough inspection and verification before proceeding with the pinpoint test.
  3. NOTE: Only disconnect or reconnect SRS components when instructed to do so within a pinpoint test step. Failure to follow this instruction may result in incorrect diagnosis of the SRS.
  4. NOTE: Install new components only when directed to do so in the pinpoint test.
  5. NOTE: Always make sure the correct SRS component is being installed. Parts released for other vehicles may not be compatible even if they appear physically similar. Check the part number listed in the Ford parts catalog to make sure the correct component is being installed. If an incorrect SRS component is installed, Diagnostic Trouble Codes (DTCs) may set.
  6. NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.

  7. A1 RETRIEVE RCM (RESTRAINTS CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)

    WARNING: Before beginning any service procedure in this article, refer to Safety Warnings. Failure to follow this instruction may result in serious personal injury.

    • Ignition ON.

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was DTC B11D8:12 or B11D8:14 retrieved on-demand during self-test? 

    Yes  This fault cannot be cleared until it is corrected and the DTC is no longer retrieved on-demand during the self-test. For DTC B11D8:14, GO to  A2 For DTC B11D8:12, GO to  A6
    No  This is an intermittent fault when present as a CMDTC only. GO to  A11

  8. A2 CHECK THE EVENT NOTIFICATION SIGNAL CIRCUIT FOR AN OPEN

    • Ignition OFF.

    • Disconnect RCM C310A and C310B.

    • Disconnect BCM C2280D.

    • For HEV, disconnect BECM C4237A (if equipped).

    • For PHEV, disconnect BECM C4816A (if equipped).

    • For HEV only  , measure:
      Positive Lead Measurement / Action Negative Lead
      C310B-42
      GFD482603Courtesy of FORD MOTOR COMPANY
      		 C4237A-7

    • For PHEV only  , measure:
      Positive Lead Measurement / Action Negative Lead
      C310B-42
      GFD482603Courtesy of FORD MOTOR COMPANY
      		 C4816A-7

    • For all vehicles  , measure:
      Positive Lead Measurement / Action Negative Lead
      C310B-42
      GFD482603Courtesy of FORD MOTOR COMPANY
      		 C2280D-49

    Are the resistances less than 3 ohms? 

    Yes  GO to  A3
    No  REPAIR the circuit. Refer to OEM Connector Repair Procedures (Except Hybrid) for schematic and connector information. GO to  A12

  9. A3 CHECK THE EVENT NOTIFICATION SIGNAL CIRCUIT FOR A SHORT TO GROUND

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280D-49
      GFD482603Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, Refer to BCM Guided Routine . GO to  A4
    No  REPAIR the circuit. Refer to OEM Connector Repair Procedures (Except Hybrid) for schematic and connector information. GO to  A12

  10. A4 CONFIRM THE BCM (BODY CONTROL MODULE) REPAIR

    • Disconnect BCM C2280D.

    • Prior to reconnecting each previously disconnected component:

      • inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
      • inspect wire harness for any damage, pinched, cut or pierced wires.
      • repair any concerns found. Refer to OEM Connector Repair Procedures (Except Hybrid) for schematic and connector information.

    • Connect RCM C310A and C310B.

    • Connect BCM C2280D.

    • For HEV, connect BECM C4237A (if equipped).

    • For PHEV, connect BECM C4816A (if equipped).

    • Ignition ON.

    • Using a diagnostic scan tool, clear all RCM Diagnostic Trouble Codes (DTCs).

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was DTC B11D8:14 retrieved on-demand during self-test? 

    Yes  For gas vehicles, GO to  A10 For hybrid vehicles only  , INSTALL a new RCM. REFER to: Restraints Control Module (RCM) , GO to  A5
    No  GO to  A12

  11. A5 CONFIRM THE RCM (RESTRAINTS CONTROL MODULE) REPAIR

    • Using a diagnostic scan tool, clear all RCM Diagnostic Trouble Codes (DTCs).

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was DTC B11D8:14 retrieved on-demand during self-test? 

    Yes  GO to  A8
    No  GO to  A12

  12. A6 CHECK THE EVENT NOTIFICATION SIGNAL CIRCUIT DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE

    NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the fault reported changes, this indicates the RCM is functioning correctly and is not the source of the fault.

    • Disconnect BCM C2280D.

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was DTC B11D8:12 retrieved on-demand during self-test? 

    Yes  CONNECT BCM C2280D. For gas vehicles, GO to  A9 For hybrid vehicles only  , GO to  A7
    No  CONNECT BCM C2280D. CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, Refer to BCM Guided Routine . GO to  A12

  13. A7 CHECK THE EVENT NOTIFICATION SIGNAL CIRCUIT DTC (DIAGNOSTIC TROUBLE CODE) FOR A FAULT STATUS CHANGE WITH THE BECM (BATTERY ENERGY CONTROL MODULE) DISCONNECTED

    • Ignition OFF.

    • For HEV, disconnect BECM C4237A (if equipped).

    • For PHEV, disconnect BECM C4816A (if equipped).

    • Ignition ON.

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was DTC B11D8:12 retrieved on-demand during self-test? 

    Yes  GO to  A9
    No  GO to  A8

  14. A8 CONFIRM THE BECM (BATTERY ENERGY CONTROL MODULE) FAULT

    • Ignition OFF.

    • For HEV, disconnect BECM C4237A (if equipped).

    • For PHEV, disconnect BECM C4816A (if equipped).

    • Inspect BECM C4237A or C4816A for:

      • pushed-out, loose or spread terminal and loose or frayed wire connections at terminals.
      • any damaged, pinched, cut or pierced wires
      • corrosion.

    • Repair any concerns found.

    • For HEV, connect BECM C4237A (if equipped).

    • For PHEV, connect BECM C4816A (if equipped).

    • Ignition ON.

    • Using a diagnostic scan tool, clear all RCM Diagnostic Trouble Codes (DTCs).

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was DTC B11D8:14 retrieved on-demand during self-test? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new BECM. GO to  A12
    No  In the process of diagnosing the fault, the fault condition has become intermittent. Do not install any new SRS components at this time. SRS components should only be installed when directed to do so in the pinpoint test. GO to  A11

  15. A9 CHECK THE EVENT NOTIFICATION SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition OFF.

    • For HEV, disconnect BECM C4237A (if equipped).

    • For PHEV, disconnect BECM C4816A (if equipped).

    • Disconnect RCM C310A and C310B.

    • Ignition ON.

    • Disconnect BCM C2280D.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280D-49
      GFD485453Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  CONNECT BCM C2280D. REPAIR the circuit. Refer to OEM Connector Repair Procedures (Except Hybrid) for schematic and connector information. GO to  A12
    No  CONNECT BCM C2280D. GO to  A10

  16. A10 CONFIRM THE RCM (RESTRAINTS CONTROL MODULE) FAULT

    NOTE: Make sure all SRS electrical connectors and the BCM electrical connector are connected before carrying out the self-test. If not, Diagnostic Trouble Codes (DTCs) will be recorded.

    • Ignition OFF.

    • Disconnect BCM C2280D (if not previously disconnected).

    • For HEV, disconnect BECM C4237A (if equipped).

    • For PHEV, disconnect BECM C4816A (if equipped).

    • Disconnect RCM C310A and C310B (if not previously disconnected).

    • Prior to reconnecting any previously disconnected SRS component:

      • inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
      • inspect wire harness for any damage, pinched, cut or pierced wires.
      • repair any concerns found. Refer to OEM Connector Repair Procedures (Except Hybrid) for schematic and connector information.

    • Connect BCM C2280D.

    • For HEV, connect BECM C4237A (if equipped).

    • For PHEV, connect BECM C4816A (if equipped).

    • Connect RCM C310A and C310B.

    • Ignition ON.

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was the original DTC retrieved on-demand during self-test? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new RCM. REFER to: Restraints Control Module (RCM) . GO to  A12
    No  In the process of diagnosing the fault, the fault condition has become intermittent. Do not install any new SRS components at this time. SRS components should only be installed when directed to do so in the pinpoint test. GO to  A11

  17. A11 CHECK FOR AN INTERMITTENT FAULT

    • Ignition OFF.

    • Disconnect BCM C2280D.

    • For HEV, disconnect BECM C4237A (if equipped).

    • For PHEV, disconnect BECM C4816A (if equipped).

    • Disconnect RCM C310A and C310B.

      • inspect connector(s) (including any inline connectors) for loose or spread terminals and loose or frayed wire connections at terminals.
      • inspect wire harness for any damage, pinched, cut or pierced wires.
      • repair any concerns found. Refer to OEM Connector Repair Procedures (Except Hybrid) for schematic and connector information.

    • Connect BCM C2280D.

    • For HEV, connect BECM C4237A (if equipped).

    • For PHEV, connect BECM C4816A (if equipped).

    • Connect RCM C310A and C310B.

    • Ignition ON.

    • Using a diagnostic scan tool, perform the RCM self-test to retrieve Diagnostic Trouble Codes (DTCs).

    Was DTC B11D8:12 or B11D8:14 retrieved on-demand during self-test? 

    Yes  The fault condition is now present. This fault cannot be cleared until it is corrected and the DTC is no longer retrieved on-demand during the self-test. For DTC B11D8:14, GO to  A2 For DTC B11D8:12, GO to  A6
    No  CHECK for causes of the intermittent fault. ATTEMPT to recreate the hard fault by flexing the wire harness and cycling the ignition frequently. ACTIVATE other systems in the same wire harness. Do not install any new SRS components at this time. Only install SRS components when directed to do so in the pinpoint test. REPAIR any intermittent concerns found. GO to  A12

  18. A12 CHECK FOR ADDITIONAL SRS (SUPPLEMENTAL RESTRAINT SYSTEM) DIAGNOSTIC TROUBLE CODES (DTCS)

    WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

    • Ignition OFF.

    • Reconnect all connectors (if previously disconnected).

    • Ignition ON.

    • NOTE: When selecting Restraints from the Self Test menu, Diagnostic Trouble Codes (DTCs) are retrieved from the RCM, OCSM and, if equipped, BECMB.

      Using a diagnostic scan tool, perform the

      Restraints  self-test.

    Are any RCM, OCSM and/or BECMB Diagnostic Trouble Codes (DTCs) retrieved? 

    Yes  Do not clear any Diagnostic Trouble Codes (DTCs) until all Diagnostic Trouble Codes (DTCs) have been resolved. REFER to: Airbag Supplemental Restraint System (SRS) .
    No  The repair is complete. RETURN the vehicle to the customer.
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