The automobile dictionary meaning of the engine P0727 Code is found online. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 7 for Auxiliary Emission Controls. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 7 for Cruise Inhibit Control Circuit. You need to fix the car engine with the right meaning of the code. Do not drive the car if the car engine is not fixed. If you do not know the way of solving the car engine, you should not try to fix the car engine.