The general meaning of the B2366 Code is related with the car engine. The general meaning of the code is not used for solving the car engine problem. The B2366 engine code is a kind of body problem. The deactivation of cylinders is realized by releasing a synchronizer pin that usually interlocks the cam follower and rocker arms. The B2366 code resolves the synchronizer pin is unconfined using hydraulic pressure which is measured by a dedicated solenoid. A test drive is recommended to know detail information of the car engine. If you detect any problem in the car engine, then take back to the automobile repair center.