Know the reason of the engine problem. The engine P0220 Code has come for the problem of the car engine. It is necessary to test the car engine and solve the car engine problem. You can check the symptoms to know the cause of the car engine problem. Do not apply the automobile meaning of the code. The automobile meaning of the code is P for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 2 for Accelerator Pedal Position (APP) Sensor 1 Performance. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 0 for Transmission Engaged At High Throttle Angle.