Pinpoint Test BZ : The Adaptive Cruise Control Warning Chime Is Inoperative

Normal Operation and Fault Conditions
See Adaptive Cruise Control Warning Chime. REFER to: Warning Chimes - System Operation and Component Description .

Possible Sources
- Adaptive cruise control concern
- Communication concern
- GWM
- IPC

BZ1 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 BZ2

No GO to Pinpoint Test CQ

BZ2 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 the DTC Chart: IPC .

No GO to BZ3

BZ3 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: Communications Network .

No GO to BZ4

BZ4 CHECK THE CRUISE CONTROL DISPLAY IN THE MESSAGE CENTER

Verify the adaptive cruise control display functions in the message center when the adaptive cruise control is in operation.

Does the cruise control display operate in the message center?

Yes	DIAGNOSE the cruise control system. For non-adaptive cruise control, REFER to: Cruise Control . For adaptive cruise control, REFER to: Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering .

No	GO to Pinpoint Test BG