The engine P1246 Code is important and informative. If you do not know the real meaning of the code, you cannot solve any problem from the car engine. Any problem can be very serious if you ignore any problem when it is small. Better solve the car engine problem as soon as possible. The powertrain of the car engine is faulty and you must use the right meaning of the code for solving the problem. You will get the same engine code in many car engines but all of the meanings of the code are not correct for your car. So, be careful when you need to choose the meaning of the code.