The engine P0185 Code has general meaning and it is not used for solving the car engine problem. The engine problem can be solved according to real meaning of the code. However, if you want to learn more about the code, you may read the automobile dictionary meaning. The automobile meaning of the engine P0185 Code is P for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 1 for Transmission. 8 for Exhaust Gas Recirculation System Valve 1 and 5 for Park/Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit. A test drive is recommended for confirmation of the car engine is ok.