The car engine P0049 Code is an important thing what helps you to solve the car engine problem. Do not use common meaning of the code for solving the car engine problem. You will get different meanings of the same and do not use any meaning of the code for solving the car engine. You need to locate correct location of the engine. The area of the engine should be fixed and once the car engine is fixed, take the car for a test. Solving the car engine is very easy as powertrain is the problem. Do not follow useless meaning of the code.