The engine P2005 Code is powertrain problem and the problem can be fixed easily by an automobile engineer according to the correct meaning of the car engine code. Several problems are included in the car engine and the problem can be fixed easily at cheap rate. As the engine, powertrain problem can be solved easily, you do not need to add or remove any part of the car engine. You should not try to solve the car engine problem if you are not an expert automobile engineer. You must fix the car engine by help of an expert automobile engineer.