The B1439 Code shows for the error of the engine and it necessary to identify the exact meaning of the code. The same code B1439 has different meaning and it is necessary to know all meanings of the code. Depending on the model and manufacturer of the car, the meaning of the code depends. That is why, it is important to know the model, manufacturer and read the manual. Defuse of cylinders is attained by discharging a synchronizer pin that usually interlocks the cam follower and rocker arms. The B1439 code resolutions the synchronizer pin is out using hydraulic pressure which is maintained by a keen solenoid.