You get this engine P0680 Code on the screen of the engine code reader when the car engine is tested. The engine code lets know the problem detail and by the meaning of the code, it is easy to solve the problem from the car engine. The engineer should find the cause of the engine problem and find the location of the problem. If the right meaning of the code is found from the car engine manual, the automobile engine can easily solve the problem easily. So, to solve this problem, you should take the car to automobile repair center.