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Home >> Ford >> 2021 >> Expedition MAX SSV, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 449 (Instrumentation, Message Center And Warning Chimes (2 Of 2)) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test G : The Odometer Is Inoperative >> Pinpoint Test G : The Odometer Is Inoperative

Pinpoint Test G : The Odometer Is Inoperative

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. G1 CHECK FOR CORRUPTED NON-VOLATILE MEMORY (NVM)

    • Ignition ON.

    • Observe the message center display area.

    Does the odometer display ERROR? 

    Yes  Refer to IPC Guided Routine Testing .
    No  GO to  G2

  2. G2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

    • Using a diagnostic scan tool, perform the IPC self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to DTC Chart: Instrument Panel Cluster (IPC) .
    No  GO to  G3

  3. G3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CM DTCs).

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Communications Network .
    No  DIAGNOSE all PCM Diagnostic Trouble Codes (DTCs). Refer to the appropriate Engine article for the procedure.
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