The letter P of the car engine P0507 Code means powertrain and you need to fix the car powertrain to remove the car powertrain problem. You should not try to solve the car engine if you have no idea about the car engine. The engine code explains the problem and meaning of the code provides sufficient information about the car engine problem. Do not allow any false meaning of the code. Examine the car engine to know the real cause of the car engine. The powertrain problem is easy to fix and no need to change any part of the car powertrain for fixing the car engine.