Pinpoint Test F: The Abs (Anti-Lock Brake System) RTT (RECONFIGURABLE Telltale) Warning Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See ABS Warning and ABS/Brake/Stability-Traction Control System Indication. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the ABS warning indicator request message is missing for less than 5 seconds, the IPC defaults the ABSRTT warning indicator to its last indication state (on or off), based upon the last message received.
If the ABS warning indicator request message is missing for 5 seconds or longer, the IPC defaults the ABSRTT warning indicator on.
Possible Sources
- Communication concern
- ABS
- GWM
- IPC
- F1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors and the hood.
- Monitor the door ajar RTT warning indicator.
- Open the driver door.
- 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 F2 No GO to Pinpoint Test A - F2 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 F3 - F3 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 If the ABS warning indicator is never on, the system is operating correctly. If the ABS warning indicator is always on, DIAGNOSE the ABS module Diagnostic Trouble Codes (DTCs). REFER to the Master DTC Chart.