The engine P3415 Code is important thing. The meaning of the code is found the right source and the right source is your car manufacturer. The code of the car engine is found from the test of the car engine and meaning of the code is highly necessary. The general meaning of the code is automobile dictionary meaning. The meaning of the P is powertrain of the car engine code. You need to know the full meaning of the code for solving the car engine. Do not take any meaning of code and do not try to fix the car engine by anyone.