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Pinpoint Test A : DTC U300D:11

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

  1. A1 CHECK THE TCCM IGNITION POSITION (KEY_POS_4X4) AND IGNITION STATUS (KEY_STATUS_4X4) PIDS

    • Using a diagnostic scan tool, monitor the PIDs KEY_POS_4X4 and KEY_STATUS_4X4.

    • Cycle the ignition switch between the OFF and ON positions.

    Do the ignition PIDs match the ignition switch positions? 

    Yes  The system is functioning correctly at this time. CLEAR the DTCs.
    No  If the KEY_STATUS_4X4 PID did not match, CHECK BJB fuse 13 (10A). If the fuse is OK, REPAIR the open circuit. If the fuse is not OK, REFER to the Wiring Diagrams articles to identify the possible causes of the circuit short. After the fault is repaired, CLEAR the DTCs. If the KEY_POS_4X4 PID did not match, DIAGNOSE the ignition switch, REFER to: Steering Wheel and Column Electrical Components . After the fault is repaired, CLEAR the DTCs.
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