If the engine code reader get the B2357 Code, it means the problem if the car engine is found on the body of engine. Do not use any common meaning of the code for solving the car engine problem. Keep reading the manual if the car engine for solving the car engine problem. The common meaning of the code is not helpful and that is why, real meaning of the code is necessary. The manufacturer of the car has set real meaning and you need to get that meaning of the code for solving the engine code easily. Do not drive the car until the problem of the car engine is solved.