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Pinpoint Test BD: The Headlamps On Warning Chime Or Home Safe Light Chime Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Headlamps On Warning Chime or Home Safe Light Chime (if equipped). REFER to: Warning Chimes - System Operation and Component Description .

    Possible Sources 

    • BCM
    • GWM
    • IPC

  2. BD1 CHECK THE SEATBELT WARNING CHIME OPERATION

    • Ignition OFF.

    • Ignition ON.

    • Unbuckle the driver seatbelt.

    • Monitor the seatbelt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.

    Does the seatbelt warning chime operate for approximately 6 seconds? 

    Yes  GO to  BD2
    No  GO to Pinpoint Test A 

  3. BD2 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 Diagnostic Trouble Code (DTC) Chart .
    No  GO to  BD3

  4. BD3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Controller Area Network (CAN) Module Communications Network .
    No  DIAGNOSE all BCM Diagnostic Trouble Codes (DTCs). REFER to the appropriate DTC Chart.
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