Do not allow any meaning of the P206D Code for solving the car engine problem. The engine code has various meanings and right meaning of the code is necessary only for solving the car engine problem. If you search online, you will get the automobile meaning of the code P206D what must not helpful. DO not drive the car if the engine problem is not solved. If you drive the problematic engine’s car, you may make serious accident. That is why, you should take the car to professional as soon as possible. Do not try to fix the engine problem if you are unable to solve the car engine problem.