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Home >> Ford >> 2021 >> Explorer Timberline >> Repair and Diagnosis (Single Page) >> Brakes >> Brakes Control Systems >> Abs Guided Routine - Pinpoint Tests C - F >> Pinpoint Tests CX: Abs Module In-Use Application Signing Key Error >> Possible Causes
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Possible Causes

  1. CX1: VERIFY THE ABS MODULE DTC 
    • Ignition ON, engine OFF.
    • Clear the ABS DTCs.
    • Ignition OFF.
    • Wait at least 90 seconds for the modules to completely shut off.
    • Ignition ON, engine OFF.

    Carry out the ABS self-test.

    • Is DTC U202B:XX present and active in the ABS module? 
    Yes No
    Using a diagnostic scan tool, CARRY OUT the PMI for the ABS module. Make sure to use the latest available software files. The conditions causing the DTC to set are not present at this time. VERIFY all ABS module electrical connectors are correctly connected and fully seated.