good day I am trying to scodificare this ecu I tried immo universal decoding but the car starts and turns off I don't know if it is a problem of the file or the checksum... I tried to recalculate the checksum with ecm by loading the file ori and mod, but it says that the checksum is correct...I leave the word to you, more experienced than me...place the file ori and mod so that you can give him a controlled