The car engine problem is a serious problem and do not drive the car with the car engine problem. You need to take the car to automobile engineer to solve the cause of the car engine problem. The engine P1440 Code is found by the testing of the car engine. Find the real meaning of the code and follow that mening for solving the car engine. Here, the problem is found in powertrain and this problem is very easy to fix. You do not need to change any part from the car engine. So, it is cheap to fix the powertrain.