If the car engine problem is general problem or problem is located in the car engine what is powertrain , you need to take step for solving the problem. How to solve the car engine problem? It is not easy to fix in the place where all tools and machines are not available. You need to solve the car engine problem. The car engine P2854 Code is an important and know the meaning of the code for solving the car engine. The powertrain of the car engine is general problem and this problem is not very difficult to solve. It is better to get help from skilled technician.