Pinpoint Test BM: The Lane Keeping System RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Lane Keeping Aid. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the lane keeping system status display message is missing for less than 5 seconds, the IPC defaults the lane keeping aid RTT indicator to the last indication state (on or off), based upon the last message received.
If the lane keeping system status display message is missing for 5 seconds or longer, the IPC defaults the lane keeping aid RTT indicator off.
Possible Sources
- Lane keeping aid warning system concern
- Communication concern
- IPMA concern
- GWM
- IPC
- BM1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, liftgate and hood.
- Clear all message center warnings by pressing the OK button for each warning present.
- Monitor the door ajar RTT warning indicator.
- Open the driver door.
- Clear the message center popup warning.
- Monitor the door ajar RTT warning indicator.
Is the door ajar RTT warning indicator off with the door closed, and on with the door open?
Yes GO to BM2 No GO to Pinpoint Test A - BM2 CHECK THE LANE DEPARTURE SWITCH OPERATION
- Press the lane departure switch to turn the system on then off again.
Does the lane departure RTT indicator turn on then off again?
Yes The system is operating correctly at this time. The system was turned off. No GO to BM3 - BM3 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 IPC DTC Chart. No GO to BM4 - BM4 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 DIAGNOSE the lane keeping aid system. REFER to: Lane Keeping System