The engine has some general parts and powertrain is the part. If the powertrain is faulty, you can easily fix this problem and it is not necessary to change any part from the car engine. The car engine P2844 Code is found from the car by checking the car engine and it is necessary to know the real meaning of the code for solving the car engine. You must collect the real meaning for solving the car engine. However, if you do not find the actual meaning, you may use the automobile or general meaning of the car engine code.