The powertrain of the car engine is not very important thing but it should be fixed if you want to solve the car engine problem. The car engine P2537 Code lets you know detail of the car engine problem but for solving the car engine, you need to get more information. If you hand over the car to an automobile engineer, he can check the car engine well and fix the problem from the car engine properly. You have nothing to do. If the problem of the engine is general or small, then you do not need to expense huge money for solving the car engine problem.