The actual meaning of the car engine code is most important thing. The engine P2223 Code has various meanings and manufacturer of the car engine provides the right meaning of the code. The automobile dictionary meaning of the car engine code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor 1 Performance. 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 3 for Transmission Control Module Reprogrammable Memory. So, it has become little easier to identify the problem and solve the car engine problem.