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Home >> Ford >> 2020 >> Explorer Limited, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Four-Wheel Drive Systems) >> Diagnosis And Testing >> Four-Wheel Drive Systems - Vehicles Built Up To: 11-August-2020 >> Pinpoint Tests >> Pinpoint Test Z : The ATCM (All Terrain Control Module) Does Not Respond To The Diagnostic Scan Tool
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Pinpoint Test Z : The ATCM (All Terrain Control Module) Does Not Respond To The Diagnostic Scan Tool

WARNING: This page is about a different variant/trim than selected.
  1. Normal Operation and Fault Conditions 

    REFER to: Communications Network .

    Possible Sources 

    • Scan tool.
    • BJB fuse power supply circuit
    • BJB fuse ground circuit.
    • HS-CAN
    • DLC
    • Charging system
    • ATCM

  2. Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods