Pinpoint Test Aa: The Hill Descent Control RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Hill Descent Control RTT indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the hill descent mode message is missing for less than 5 seconds, the IPC defaults the hill descent RTT indicator to its last indication state (on or off), based upon the last message received.
If the hill descent mode message is missing for 5 seconds or longer, the IPC defaults the hill descent RTT indicator off.
Possible Sources
- Communication concern
- Message center concern
- Hill descent control system concern
- ABS concern
- GWM concern
- IPC
- AA1 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 indicator.
- Open the driver door.
- Clear the message center popup warning.
- Monitor the door ajar RTT indicator.
Is the door ajar RTT indicator off with the door closed, and on with the door open?
Yes GO to AA2 No GO to Pinpoint Test A - AA2 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 AA3 - AA3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CM DTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Controller Area Network (CAN) Module Communications Network . No DIAGNOSE all ABS module Diagnostic Trouble Codes (DTCs). REFER to: Anti-Lock Brake System (ABS) and Stability Control .