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Pinpoint Test Bx : U3003:17

  1. BX1 CHECK VOLTAGE AT THE BATTERY

    • Start the vehicle (Ready indicator light ON).

    • Turn off the headlamps, blower and any other accessories.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      GFD197139Courtesy of FORD MOTOR COMPANY

    Is the voltage less than 16 volts? 

    Yes  GO to  BX2
    No  DIAGNOSE the overcharging condition. For HEV, REFER to: Voltage Converter/Inverter (Hybrid/Energi) . For PHEV, REFER to: Voltage Converter/Inverter (Hybrid/Energi) .

  2. BX2 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17

    • Ignition OFF.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the continuous memory DTCs.

    • Carry out the IPC self-test.

    Is DTC U3003:17 present? 

    Yes  Refer to: IPC Hardware Testing .
    No  The system is operating correctly at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.
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