Pinpoint Test S: The Hill Start Assist RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Hill Start Assist RTT indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the hill start assist status message is missing for less than 5 seconds, the IPC defaults the hill start assist RTT indicator to its last indication state (on or off), based upon the last message received.
If the hill start assist status message is missing for 5 seconds or longer, the IPC defaults the hill start assist RTT indicator off.
Possible Sources
- Communication concern
- Message center concern
- Hill start assist system concern
- ABS concern
- GWM concern
- IPC
- S1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors and the hood.
- Monitor the door ajar RTT indicator.
- Open the driver door.
- 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 S2 No GO to Pinpoint Test A - S2 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 Diagnostic Trouble Code (DTC) Chart . No GO to S3 - S3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
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 the Master DTC Chart.