The general meaning or the automobile dictionary meaning is important thing. The engine P2515 Code is found after the testing the car engine and right meaning of the code is necessary for solving the car engine. The automobile dictionary meaning of the car engine code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 5 for Computer And Auxiliary Outputs. 1 for Low Coolant Circuit and 5 for Park or Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit. Here, the main problem is located in the powertrain and it is easy to solve.