Pinpoint Test Be : The Auto Hold RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On

Normal Operation and Fault Conditions
See Auto Hold. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .

If the auto hold mode indicator request message is missing for less than 5 seconds, the IPC defaults the auto hold RTT indicator to its last indication state (on or off), based upon the last message received.

If the auto hold mode indicator request message is missing for 5 seconds or longer, the IPC defaults the auto hold RTT indicator off.

Possible Sources
- Communication concern
- Auto hold concern
- GWM
- ABS module
- IPC

BE1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, liftgate 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 BE2

No GO to Pinpoint Test A

BE2 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 DTC Chart: IPC .

No GO to BE3

BE3 PERFORM THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the ABS module self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?

Yes REFER to the Master DTC Chart.

No GO to BE4

BE4 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 auto hold feature. Refer to ABS GUIDED ROUTINE