Pinpoint Test AO: The Check Fuel Fill Inlet Warning Message Is Always Displayed
- Normal Operation and Fault Conditions
See Check Fuel Fill Inlet Message. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the check fuel fill inlet message request is missing for less than 5 seconds, the IPC defaults the fuel fill inlet message center message to its last state (on or off) based upon the last message received.
If the check fuel fill inlet message request is missing for 5 seconds or longer, the IPC defaults the check fuel fill inlet message center message off.
Possible Sources
- Evaporative emissions system concern
- PCM concern
- GWM concern
- IPC
- AO1 CHECK THE MESSAGE CENTER SWITCH OPERATION
- Ignition OFF.
- Close all doors and the hood.
- Ignition ON.
- Once the IPC has completed it's prove-out and is in normal operation mode, open the driver door.
- Press the OK button to clear the door ajar warning message.
Does the door ajar warning message clear?
Yes GO to AO2 No DIAGNOSE the message center switch. GO to Pinpoint Test AI - AO2 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM 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 DTC Chart: IPC . No GO to AO3 - AO3 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: Communications Network . No DIAGNOSE all PCM Diagnostic Trouble Codes (DTCs). REFER to the appropriate Electronic Engine Controls article .