The engine C1205 Code is related with the network and it is easy to solve the engine problem. The general meaning of the code is easy to know. Do not drive the car until the car engine is fixed. The meaning of the code is available as available but do not use the automobile dictionary meaning for solving the car engine. C1205 engine code seems a kind of chassis problem. Do not worry if you cannot solve the car engine problem. There are now 2 major types of cylinder deactivation used today, depending on the type of engine. Test drive is recommended for solving the car engine.