Identify the meaning of the B1452 Code is not easy at all. To know the meaning of the code, it is necessary to know the model and manufacturer of the car and engine. As the problem code is started with B, then the engine has problem of the body and that is why, it is not necessary to change any part of the engine. The best way of solving the problem after reading the manual. It is also compulsory to do the solution with the help of experts or auto solution stores where you will get all expensive machines for solving the problem.