The engine U1156 Code is found on the screen of the car engine reader for the diagnosis of the code. The diagnosis U1156 code helps the car engineer for fixing the car engine. The engine can be solved with the right meaning. The engine has different meanings and you have to find the right meaning of the code only. Do not use any other meaning of the car engine or automobile dictionary meaning of the code. This code is related with the network problem and this problem can be solved easily. Do not drive the car until the car engine is fixed.