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Pinpoint Test P: DTC (Diagnostic Trouble Code) U3003:17

WARNING: This page is about a different car, the 2022 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
  1. Refer to MODULE COMMUNICATIONS NETWORK for schematic and connector information.

    Normal Operation and Fault Conditions 

    DTC Fault Trigger Conditions

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    IPMA U3003:17 Battery Voltage: Circuit Voltage Above Threshold Sets as a continuous memory and on-demand DTC if the IPMA detects high battery voltage above 16.5 volts for 500 ms.

    Possible Sources 

    • Battery
    • Charging system concern
    • IPMA

  2. P1 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17 SET IN OTHER MODULES

    NOTE: DTC U3003:17 may be stored in the module memory due to past battery charging or vehicle jump starting events.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Repeat the IPMA module self-test.

    Is DTC U3003:17 still present? 

    Yes  REFER to: Charging System . REFER to: Charging System - 2.3L EcoBoost (201kW/273PS) .
    No  GO to  P2
  3. P2 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 15.5 volts or higher? 

    Yes  DIAGNOSE the overcharging condition. REFER to: Charging System . REFER to: Charging System - 2.3L EcoBoost (201kW/273PS) .
    No  GO to  P3
  4. P3 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17

    • Turn the engine off.

    • Ignition ON.

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

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

    Is DTC U3003:17 still present? 

    Yes  INSTALL a new IPMA REFER to: Image Processing Module A (IPMA) .
    No  The system is operating normally at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.