Pinpoint Test Bn: The Parking Brake Warning Chime Is Inoperative
- BN1 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 BN2 No GO to Pinpoint Test BQ - BN2 CHECK THE BRAKE WARNING INDICATOR FOR CORRECT OPERATION
- Apply the parking brake.
- Observe the brake warning indicator.
Does the brake warning indicator illuminate?
Yes GO to BN3 No GO to Pinpoint Test R - BN3 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: IPC in this article. Refer to DTC Chart: Instrument Panel Cluster (IPC) . No GO to BN4 - BN4 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the BCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes Refer to: Body Control Module (BCM) . No GO to BN5 - BN5 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 BCM. Refer to: Body Control Module (BCM) .