When you use ELM327 or other OBD Bluetooth Dongle read code for your car
If DTCs lack of definition, You can down this android app to your phone.
I'm use it and it have more definition and possible cause for FORD vehicle.

Name App: OBD2 Codes Fix Free
Author: OBD High Tech
Link app android: https://play.google.com/store/apps/d...x.free.vehicle

Ford Focus 2.0L