Hi,

have a fiat 500x year 2016 motor 1.6 etorq. Ecu magnetti marelli 9GF.

I have a dtc U3FFF. I erase it and it come back after drive 10 or 20 km.

Engine ligt on with this dtc.

I think it s can network error. I also have a dtc on bcm with driving mode not available.

Some have some informations ?