When you get any problem in the car engine, you need to fix the car engine. You take the car to automobile repair center. When the car engine is checked, the car engine P1216 Code has found in the car engine code reader. It helps to solve the car engine problem. Deactivation method of cylinders is accomplished by discharging a synchronizer pin that generally interlocks the cam follower and rocker arms. The engine P1216 code resolves the synchronizer pin is released using hydraulic compression which is controlled by a dedicated solenoid. Once the car engine is ok, you may drive the car but make sure the car engine is tested after solving the problem.