The automobile dictionary meaning of the engine P2015 Code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 0 for Fuel And Air Metering. 1 for Low Coolant Circuit and 5 for Park/Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit. You should allow an automobile engineer to fix the car engine and fix the car engine properly. Do not allow an immature person to fix the car engine to solve the car engine. If you can fix the car engine properly, you can drive the car but a test drive is recommended first.