Pinpoint Test W: The Electric Vehicle (EV) Charge RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
Electric Vehicle (EV) Charge. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the Electric Vehicle (EV) charge mode status message is missing for less than 5 seconds, the IPC defaults the Electric Vehicle (EV) Charge RTT indicator to the last indication state (on or off), based upon the last message received.
If the Electric Vehicle (EV) charge mode status message is missing for 5 seconds or longer, the IPC defaults the Electric Vehicle (EV) Charge RTT indicator off.
Possible Sources
- Communication concern
- High voltage battery concern
- BECM concern
- GWM
- IPC
- W1 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 warning indicator.
- Open the driver door.
- Clear the message center popup warning.
- 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 W2 No GO to Pinpoint Test A - W2 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 the IPC DTC Chart. No GO to W3 - W3 PERFORM THE BECM (BATTERY ENERGY CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the BECM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the appropriate High Voltage Battery article. No GO to W4 - W4 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 DIAGNOSE the high voltage battery. REFER to the appropriate High Voltage Battery article.