The engine P1385 Code is important thing and its meaning is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 3 for IC Module 4X Ref Circuit Intermittent, No Pulses. 8 for Exhaust Gas Recirculation System Valve 1 and 5 for Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit. The engine P1385 code seems a kind of powertrain problem and it is easy to fix. However, you must not try to fix the car engine if you do not know how to fix the car engine. You must rely on an automobile engineer for fixing the car engine.