LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2023 >> Escape Plug-In Hybrid >> Repair and Diagnosis >> External Pages >> Different car >> Section 927 (Lane Keeping System) >> Diagnosis And Testing >> Lane Keeping System >> Pinpoint Tests >> Pinpoint Test AY: A Module Does Not Communicate With The Diagnostic Scan Tool
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pinpoint Test AY: A Module Does Not Communicate With The Diagnostic Scan Tool

WARNING: This page is about a different car, the 2022 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Normal Operation and Fault Conditions 

    A module does not communicate with the diagnostic scan tool

    Possible Sources 

    • Fuse
    • Wiring, terminals or connectors
    • Module

  2. AY1 CHECK FOR THE FUSE, WIRING, TERMINALS, CONNECTIONS AND MODULE

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) for the module in question.

    Was an obvious cause found? 

    Yes  REFER to: Communications Network .
    No  The repair is complete.