Pinpoint Test At: The STA-Bar Disconnect RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Sta-Bar Disconnect. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the sta-bar disconnect indicator request message is missing for less than 5 seconds, the IPC defaults the sta-bar disconnect RTT indicator to its last indication state (on or off), based upon the last message received.
If the sta-bar disconnect indicator request message is missing for 5 seconds or longer, the IPC defaults the sta-bar disconnect RTT status indicator (gray, yellow) off, and the fault indicator (red) on.
Possible Sources
- Communication concern
- CHCM concern
- GWM
- IPC
- AT1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, tailgate and hood.
- Clear all message center warnings by pressing the OK button for each warning present.
- Monitor the door ajar RTT.
- Open the driver door.
- Clear the message center popup warning.
- Monitor the door ajar RTT.
Is the door ajar RTT off with the door closed, and on with the door open?
Yes GO to AT2 No GO to Pinpoint Test A - AT2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Ignition ON.
- 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 AT3 - AT3 PERFORM THE CHCM (CHASSIS CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the CHCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Front Stabilizer Bar Disconnect . No GO to AT4 - AT4 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 sta-bar disconnect feature. REFER to: Front Stabilizer Bar Disconnect .