This engine P2106 Code plays vital role for solving the car engine and if you want to avoid any problem, then you should not only depend on this code. You allow an automobile engineer to check the car engine’s problem. It seems that the problem of the car engine code is here powertrain and it is easy to fix. The automobile dictionary meaning of the code is not always important what you can use for solving the car engine. You need to check the real meaning of the code and if the real meaning of the code is not available, then you can use general meaning of the code.