Know the meaning of the car engine P2459 Code and you must know the right meaning if you are an automobile engineer and want to solve the car engine problem. The general meaning of the code is automobile dictionary meaning and it is found from online. You can use Google search engine look for the general meaning of the code and use it. You first priority about the meaning of the car engine code should be right meaning and you will get it from the car manufacturer. The manufacturer of your car provides the right meaning of the code and solve the car engine problem according to that meaning.