Malfunction Indicator Lamp (MIL) DTCs
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2019 Ford Transit-350 HD, 2019 Ford Transit-350, 2019 Ford Transit-250, 2019 Ford Transit-150, and 2019 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The MIL DTCs are generated to alert the driver that there is a concern with the system or the vehicle is in failure management effects mode (FMEM). The MIL DTCs are also used to indicate an emission concern. The Non-MIL DTCs indicate a less serious or non-emission related concern with the system.