Pinpoint Test BC: The Parking Brake Warning Chime Is Inoperative

• Ignition OFF.
• Ignition ON.
• Unbuckle the driver safety belt.
• Monitor the safety belt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.

Does the safety belt warning chime operate for approximately 6 seconds? 

• Yes  : GO to BC2 
• No  : INSTALL a new IPC.

  REFER to: INSTRUMENT PANEL CLUSTER (IPC) .

• Apply the parking brake.
• Observe the brake warning indicator.

Does the brake warning indicator illuminate? 

• Yes  : GO to BC3 
• No  : GO to PINPOINT TEST O 

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

Are any Diagnostic Trouble Codes (DTCs) recorded? 

• Yes  : REFER to DTC CHART: IPC .
• No  : GO to BC4 

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

Are any Diagnostic Trouble Codes (DTCs) recorded? 

• Yes  : REFER to: COMMUNICATIONS NETWORK .
• No  : DIAGNOSE all BCM Diagnostic Trouble Codes (DTCs).

  REFER to: BODY CONTROL MODULE (BCM) .