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Pinpoint Test N : DTC (Diagnostic Trouble Code) U3003:16

  1. N1 CARRY OUT THE BCM (BODY CONTROL MODULE) SELF-TEST

    • Ignition ON.
    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
    • Wait 10 seconds.
    • Using a diagnostic scan tool, perform the BCM self-test.

    Is DTC U3003:16 still present? 

    Yes  GO to  N2
    No  The system is operating correctly at this time. The DTC may have been set due to a previous low battery voltage condition.

  2. N2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, retrieve all  Continuous Memory Diagnostic Trouble Codes (CMDTCs).

    Are any charging system DTC recorded? 

    Yes  REFER to: Charging System - 1.6L EcoBoost (132kW/180PS) - Sigma . Refer to: Charging System - 1.6L EcoBoost (132kW/180PS) - Sigma .
    No  GO to  N3

  3. N3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE

    • Check the battery condition and verify the battery is fully charged. Refer to: Battery .

    Is the battery OK and fully charged? 

    Yes  GO to  N4
    No  CHARGE or INSTALL a new battery. Refer to: Battery - 1.6L EcoBoost (132kW/180PS) - Sigma .

  4. N4 CHECK THE BCM (BODY CONTROL MODULE) VOLTAGE SUPPLY

    • Ignition OFF.
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280G-1
      GFD149333Courtesy of FORD MOTOR COMPANY
      		 Ground
      C2280G-2
      GFD149333Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the voltages greater than 11 volts? 

    Yes  GO to  N5
    No  VERIFY the high current BJB MEGA fuse 4 (50A) and MEGA fuse 9 (50A) are OK. If OK, REPAIR the circuit in question. If not OK, REFER to the OEM Electrical Wiring Diagram Introduction to identify the possible causes for the high circuit resistance.

  5. N5 CHECK THE BCM (BODY CONTROL MODULE) PROCESSOR GROUND

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280A-3
      GFD149332Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance less than 3 ohms? 

    Yes  GO to  N6
    No  REPAIR the circuit for high resistance.

  6. N6 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, INSTALL a new BCM. Refer to: Body Control Module (BCM) .
    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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