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Home >> Ford >> 2019 >> Fusion S >> Repair and Diagnosis >> Steering >> Power Steering >> EPAS Guided Routine >> Pinpoint Tests >> Pinpoint Tests Z: PSCM DTC U0300 Internal Control Module Software Incompatibility >> Pinpoint Test Purpose
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Pinpoint Test Purpose

To verify PSCM DTC U0300 is present and provide diagnostics if DTC U0300 is currently active in the PSCM.

  1. Z1: REFLASH AND VERIFY THE PSCM DTC 
    • Ignition ON, engine OFF.
    • Using a diagnostic scan tool, make sure the PSCM is programmed (flashed) to the latest level of software. Follow all diagnostic scan tool instructions.
    • Clear the PSCM DTCs.
    • Ignition OFF.
    • Wait at least 90 seconds for the modules to completely shut off.
    • Ignition ON, engine running.

    Carry out the PSCM self-test.

    • Is DTC U0300 present and active in the PSCM? 
    Yes No
    INSTALL a new EPAS gear.
    REFER to Power Steering article .
    ORDER a replacement EPAS gear and INCLUDE the RVC on the form.
    If this is a Ford paid repair, INCLUDE the RVC on the warranty claim form.
    If the PSCM does not list DTC U0300, DISCONTINUE this test and REFER to the DTC Chart for direction.