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

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

AK1 CHECK THE MESSAGE CENTER OPERATION
- Close all doors.
- Ignition ON.
- Open the driver door while monitoring the message center displays.
- Does the message center display DRIVER DOOR AJAR?
  - Yes : GO to AK2.
  - No : INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) . TEST the system for normal operation.
AK2 RETRIEVE THE RECORDED DTCs FROM THE PCM 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 illuminated, REFER to ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.
    If the CHECK FUEL FILL INLET message is not illuminated, GO to AK3.
  - No : If the CHECK FUEL FILL INLET message is always on, INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) . TEST the system for normal operation.
    If the check fuel cap indicator is not illuminated, 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 the CHECK FUEL FILL INLET message on.
AK3 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Check for recorded IPC DTCs from the self-test.
- Are any DTCs recorded?
  - Yes : For DTC U0100:00, GO to Pinpoint Test AT .
    For all other DTCs, REFER to DTC Charts .
  - No : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS . TEST the system for normal operation.