F51 Air conditioning, electric power steering control unit, reversing lights, diesel fuel filter water sensor, mass air flow sensor, chronotachograph dashboard box for a 2017.
Quite a number of things to go wrong. The dead revearsing light causing MAF problems is a favourite conumdrumn. How rapidly does fuse blow? Instantly or works for while. If later then put into reverse. Else its a question of disconnect each then check one by one.