The engine U1170 Code is available in different meanings and among all meanings of the code, you need to choose the correct meaning. The correct meaning of the code is right meanings of the code what is provided from the car manufacturer. The same code is available in many car engine but when you check the meaning of the code, you will find that all meanings of the code are not same. You must follow the correct meaning of the code what is found from your car manufacturer. Do not drive the car before a test drive. Once the car engine is tested, then you can accept the car engine.