Pinpoint Test Al: The Check Fuel Fill Inlet Message Is Inoperative/Always On

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

AL1 CHECK THE MESSAGE CENTER DISPLAY OPERATION
- Close all doors and the luggage compartment lid.
- Ignition ON.
- Open the driver door and observe the message center.
- Does the message center display DRIVER DOOR AJAR?
- Yes : GO to AL2.
- No : INSTALL a new IPC. REFER to INSTRUMENT PANEL CLUSTER (IPC) . TEST the system for normal operation.
AL2 RETRIEVE THE RECORDED PCM DTCs FROM THE KOEO SELF-TEST
- Check for recorded PCM DTCs from the Key ON Engine OFF (KOEO) self-test.
- Is DTC P0457 recorded?
- Yes : If the CHECK FUEL FILL INLET message is displayed, REFER to the ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) .
  If the CHECK FUEL FILL INLET message is not displayed, GO to AL3.
- No : If the CHECK FUEL FILL INLET message is always displayed, INSTALL a new IPC. REFER to INSTRUMENT PANEL CLUSTER (IPC) . TEST the system for normal operation.
  If the CHECK FUEL FILL INLET message is not displayed, the system is operating normally at this time. If the fuel cap was left off and the CHECK FUEL FILL INLET message did not turn on, driving conditions may not have allowed for the PCM to run the cruise test and message the IPC to turn on the check fuel cap warning indicator.
AL3 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Check for recorded IPC DTCs from the self-test.
- Is DTC U0100:87 recorded?
- Yes : GO to PINPOINT TEST AS .
- No : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS .