Most folk I know use this inexpensive Ford capable Bluetooth OBDII dongle. Click image for source.
![[Linked Image]](https://i.ebayimg.com/images/g/L90AAOSw5-Rgvc2g/s-l1200.jpg)
Linked to the OBD Torque app on my phone it works a treat. If you upgrade to the pay version for a small sum it will not only read fault codes but clear them as well.
My custom display setup.