Pinpoint Test Q: The Auto High Beam RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Auto High Beam RTT Indicator. REFER to: Message Center - System Operation and Component Description .
If the auto high beam indicator request message is missing for less than 5 seconds, the IPC defaults the auto high beam RTT indicator to its last indication state (on or off), based upon the last message received.
If the auto high beam indicator request message is missing for 5 seconds or longer, the IPC defaults the auto high beam RTT indicator off.
Possible Sources
- Communication concern
- IPMA concern
- GWM concern
- IPC
- Q1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors 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 Q2 No GO to Pinpoint Test A - Q2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- 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 Q3 - Q3 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 GO to Q4 - Q4 PERFORM THE IPMA (IMAGE PROCESSING MODULE A) SELF-TEST
- Using a diagnostic scan tool, perform the IPMA self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the Master DTC Chart. No DIAGNOSE the auto high beams. REFER to: Headlamps .