Pinpoint Test Aw: The Trail Turn Assist RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Trail Turn Assist. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the turn assist mode indicator request message is missing or invalid for less than 5 seconds, the IPC defaults the trail turn assist RTT indicator to its last state (on or off) based upon the last known good message received.
If the turn assist mode indicator request message is missing for 5 seconds or longer, the IPC defaults the trail turn assist RTT indicator off.
Possible Sources
- Communication concern
- ABS module concern
- GWM concern
- IPC
- AW1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, tailgate and the 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 AW2 No GO to Pinpoint Test A - AW2 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 Diagnostic Trouble Code (DTC) Chart . No GO to AW3 - AW3 PERFORM THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE SELF-TEST
- Using a diagnostic scan tool, perform the ABS module self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Anti-Lock Brake System (ABS) and Stability Control . No DIAGNOSE the automatic braking system. REFER to: Anti-Lock Brake System (ABS) and Stability Control .