The engine U1209 Code is found in the car engine and this code is available in different car engines. You need find the real cause of the car engine. By the meaning of the code, it becomes easier to solve the car engine problem. The car engine is easy to solve by the car engine manufacturer. The automobile meaning of the code is found online and you have to solve the car engine problem and you need to follow the right meaning of the code what is linked with your car. Once the car engine is solved, you must take the car for a test drive.