mercedes 2013 A class non start no crank no engine ecu communication

mercedes a class 2013 diesel non start no crank over and no communication with engine ecu wiring fault
corroded wire

[@bobjo2762]

I have the same problem

[@harissajid3136]

I’ve got a golf mk7.5 2019 , it has the same problem, but I’m not sure if that’s the problem? I’ve been told that it might be my ghost ?

[@bobjo2762]

Even with bypass i have no communication. Am i doing something wrong