You need to know about the car engine problem if you want to fix the car engine problem. The main problem of the car engine should be solved and the car engine should be solved. The car engine P2255 Code is found and meaning of the code is the important thing. You must allow an automobile engineer for solving and the checking the car engine. The automobile dictionary meaning is p is Powertrain Code Problem is related engine, transmission and emissions systems. 2 is MFG – Manufacturer Specific. 2 is Accelerator Pedal Position (APP) Sensor 1 Performance. 5 is TP Sensor Learn Not Complete. 5 for Park/Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit.