Pinpoint Test BS: The Diesel Reduced Engine Power Message Is Never Or Always Displayed
- Normal Operation and Fault Conditions
See Diesel Reduced Engine Power Message. REFER to: Message Center - System Operation and Component Description .
If the diesel engine power message display message is missing for less than 5 seconds, the IPC defaults the reduced engine power message center message to the last indication state, based upon the last message received.
If the diesel engine power message display message is missing for 5 seconds or longer, the IPC defaults the diesel reduced engine power message center message off.
Possible Sources
- GWM concern
- PCM concern
- IPC
- BS1 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 BS2 No GO to Pinpoint Test A - BS2 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 BS3 - BS3 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 PCM Diagnostic Trouble Codes (DTCs). REFER to the Master DTC Chart.