The B1483 Code describes of the problem of error of engine and it can be understood well if you can read the manual and know the model and manufacturer of the car. For the B of code, it seems that the problem is related with the body of engine and that is why, it is not necessary to change any part of the engine. The code has several meanings what can be known knowing all information. However, it is also necessary to know the dictionary meaning of the code. The valve system may be responsible for the error of engine.