Pinpoint Test T: The Lane Centering Aid RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
Lane Centering Aid RTT Indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the traffic jam assist status message is missing or deemed invalid by the IPC for less than 5 seconds, the IPC defaults the lane centering aid RTT indicator to the last indication state (on or off), based upon the last message received.
If the traffic jam assist status message is missing or if the data is deemed invalid by the IPC for 5 seconds or longer, the IPC defaults the lane centering aid RTT indicator off.
Possible Sources
- Communication concern
- Adaptive cruise control concern
- Lane centering aid concern (part of the adaptive cruise control system)
- IPMA concern
- GWM
- IPC
- T1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors and the hood.
- Monitor the door ajar RTT warning indicator.
- Open the driver door.
- 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 T2 No GO to Pinpoint Test A - T2 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 Diagnostic Trouble Code (DTC) Chart . No GO to T3 - T3 PERFORM THE IPMA (IMAGE PROCESSING MODULE A) SELF-TEST
- Using a diagnostic scan tool, perform the IPMA self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the Master DTC Chart. No GO to T4 - T4 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: Controller Area Network (CAN) Module Communications Network . No DIAGNOSE the lane centering aid system. REFER to: Cruise Control .