The engine P1566 Code is a vital thing for solving the car engine. You need to use the right meaning of the code if you want to identify the real cause of the car engine problem. The powertrain problem is not a serious problem. This problem should be fixed as soon as possible by the automobile engineer. For solving the problem of the car engine, you do not need to change any part of the car engine or powertrain for solving the car engine. You need to know the real meaning for solving the car engine. Do not drive the car until the car engine.