The basic meaning of the B1934 Code is necessary to know and this code is found from the engine code reader. The code describes the general meaning as well as real meaning. If you follow the dictionary meaning, you will get general meaning. If you get the manufacturer name and model number, you will get the real meaning. Deactivation method of cylinders is realized by releasing a synchronizer pin that usually interlocks the cam follower and rocker arms. The B1934 code resolutions the synchronizer pin is released using hydraulic compression which is measured by a dedicated solenoid. Testing the fixed car is very necessary.