Pinpoint Test AQ: The Vehicle Plugged In RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Vehicle plugged In (PHEV). REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the check plug to start display request or charge cord connection status message is missing for less than 5 seconds, the IPC defaults the vehicle plugged in RTT indicator to its last indication state (on or off), based upon the last message received.
If the check plug to start display request or charge cord connection status message is missing for 5 seconds or longer, the IPC defaults the vehicle plugged in RTT indicator off.
Possible Sources
- Communication concern
- SOBDMC concern
- GWM
- IPC
- AQ1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, liftgate and hood.
- Clear all message center warnings by pressing the OK button for each warning present.
- Monitor the door ajar RTT.
- Open the driver door.
- Clear the message center popup warning.
- Monitor the door ajar RTT.
Is the door ajar RTT off with the door closed, and on with the door open?
Yes GO to AQ2 No GO to Pinpoint Test A - AQ2 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 IPC DTC Chart. No GO to AQ3 - AQ3 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 GO to AQ4 - AQ4 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the PCMKOEO self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the appropriate Electronic Engine Controls article. No DIAGNOSE the high voltage battery charging system. REFER to the appropriate High Voltage Battery article.