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Pinpoint Test G: The Odometer Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Odometer. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .

    If the odometer count message is missing or invalid from the GWM for 5 seconds or longer, the IPC defaults the odometer display to all dashes (------).

    If the NVM becomes corrupted or if any NVM failure occurs, the odometer displays ERROR.

    Possible Sources 

    • PCM
    • GWM concern
    • IPC

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

    • Ignition ON.

    • Observe the message center display area.

    Does the odometer display ERROR? 

    Yes  INSTALL a new IPC. Refer to Instrument Panel Cluster (IPC) .
    No  GO to  G2

  3. 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

  4. G3 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to the appropriate Electronic Engine Controls article.
    No  GO to  G4

  5. G4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Communications Network
    No  Refer to PCM Guided Routine .
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