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Pinpoint Test P : U0256:87

WARNING: This page is about a different car, the 2016 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

  1. P1 VERIFY THE CUSTOMER CONCERN

    • Ignition ON.
    • Verify there is an observable symptom present.

    Is an observable symptom present? 

    Yes  GO to  P2
    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. CLEAR the DTC.

  2. P2 CHECK THE COMMUNICATION NETWORK

    • Using a diagnostic scan tool, perform a network test.

    Does the FCIM pass the network test? 

    Yes  GO to  P3
    No  DIAGNOSE no communication with the FCIM. Refer to: Communications Network .

  3. P3 CHECK THE BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
    • Wait 10 seconds.
    • Using a diagnostic scan tool, check the BCM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

    Is DTC U3006:16, U3006:17, U3007:16, U3007:17, U3013:16, U3013:17, U3014:16 or U3014:17 recorded? 

    Yes  For DTC U3006:16, U3007:16, U3013:16 or U3014:16, GO to Pinpoint Test J  For DTC U3006:17, U3007:17, U3013:17 or U3014:17, GO to Pinpoint Test K 
    No  GO to  P4

  4. P4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE FCIM (FRONT CONTROLS INTERFACE MODULE) SELF-TEST

    • Using a diagnostic scan tool, perform the FCIM self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Information and Entertainment System - Vehicles Without: SYNC . Refer to: Information and Entertainment System - Vehicles With: SYNC Without Touchscreen . Refer to: Information and Entertainment System - Vehicles With: Touchscreen Display . Refer to: Information and Entertainment System - Vehicles With: Sony Audio System .
    No  GO to  P5

  5. P5 RECHECK THE BCM (BODY CONTROL MODULE) CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS)

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
    • Wait 10 seconds.
    • Using a diagnostic scan tool, check the BCM Continuous Memory Diagnostic Trouble Codes (CMDTCs).

    Is DTC U0256:87 still present? 

    Yes  GO to  P6
    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.

  6. P6 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0256 SET IN OTHER MODULES

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
    • Ignition OFF.
    • Ignition ON.
    • Wait 10 seconds.
    • Using a diagnostic scan tool, retrieve all  Continuous Memory Diagnostic Trouble Codes (CMDTCs).

    Is DTC U0256 set in any other module? 

    Yes  GO to  P7
    No  GO to  P8

  7. P7 CHECK FOR CORRECT FCIM (FRONT CONTROLS INTERFACE MODULE) OPERATION

    • Disconnect and inspect the FCIM connector.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the FCIM connector. Make sure it seats and latches correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    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 FCIM. Refer to: Front Controls Interface Module (FCIM) - Vehicles Without: SYNC . Refer to: Front Controls Interface Module (FCIM) - Vehicles With: SYNC Without Touchscreen . Refer to: Front Controls Interface Module (FCIM) - Vehicles With: Touchscreen Display . Refer to: Front Controls Interface Module (FCIM) - Vehicles With: Sony Audio System .
    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.

  8. P8 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Disconnect and inspect all BCM connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the BCM connectors. 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 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 Hardware Testing .
    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.
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