Pinpoint Test BP: The Lane Keeping Aid Warning Chime Is Inoperative

Normal Operation and Fault Conditions
See Lane Keeping Aid Warning Chime. REFER to: Warning Chimes - System Operation and Component Description .

Possible Sources
- Communication concern
- Lane departure warning system concern
- GWM concern
- IPC

BP1 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 BP2

No GO to Pinpoint Test BV

BP2 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: Instrument Panel Cluster (IPC) .

No GO to BP3

BP3 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 GO to BP4

BP4 CHECK THE LANE DEPARTURE SYSTEM OPERATION

Verify the lane departure system operates correctly.

Does the lane departure system operate correctly?

Yes	The system is operating correctly at this time. Inform the customer that this chime only operates with the hands off the steering wheel.

No	REFER to: Lane Keeping System