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Pinpoint Test E: The Electric Vehicle (EV) Drive Range Display Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Electric Vehicle (EV) Drive Range. REFER to: Head Up Display (HUD) - System Operation and Component Description .

    Possible Sources 

    • Communication concern
    • PCM concern
    • HUD display settings
    • HUD module

  2. E1 CHECK THE ELECTRIC VEHICLE (EV) DRIVE RANGE DISPLAY IN THE IPC (INSTRUMENT PANEL CLUSTER)

    • Ignition ON.

    • Verify the Electric Vehicle (EV) drive range display feature operates correctly in the IPC.

    Does the inoperative feature operate correctly in the IPC ' 

    Yes  GO to  E2
    No  DIAGNOSE the inoperative display in the IPC. REFER to: Instrumentation, Message Center and Warning Chimes .
  3. E2 CHECK THE HUD (HEAD UP DISPLAY) MENU SETTING

    • Using the RH upper steering wheel switch, select the HUD setup.

    • Verify the DTE -low fuel and Electric Vehicle (EV) drive range display is set to on.

    Is the DTE -low fuel and Electric Vehicle (EV) drive range display set to on? 

    Yes  GO to  E3
    No  If the HUD can be set to display the DTE -low fuel and Electric Vehicle (EV) drive range, the HUD is operating correctly at this time. The HUD was not set to display the DTE -low fuel and Electric Vehicle (EV) drive range.If the HUD cannot be set to display the DTE -low fuel and Electric Vehicle (EV) drive range, GO to Pinpoint Test A .
  4. E3 PERFORM THE HUD (HEAD UP DISPLAY) MODULE SELF-TEST

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

    • Check for recorded Diagnostic Trouble Codes (DTCs) from the HUD module self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to DTC Chart: HUD Module in This Service Information.
    No  GO to  E4
  5. E4 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST

    • Ignition ON.

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Electronic Engine Controls .
    No  GO to  E5
  6. E5 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  INSTALL a new HUD module. REFER to: Head Up Display (HUD) Module .