The engine P2115 Code is an important thing. Meaning of the code helps to fix the car engine. Once you have the right meaning, you can start solving process if you know how to solve the car engine. Some expensive machines and hand tools are used for solving the car engine. The powertrain problem of the car engine is easy to solve and for solving this problem, it is not necessary to add or remove any part from the car engine. Do not drive the car until you get the car is completely fixed. Finally, a test drive is necessary.