The engine P2722 Code is found in the automobile and meaning of the code lets you know about the problem of the car engine. The powertrain of the car engine is faulty here and P lets you know this thing. The automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 7 for Auxiliary Emission Controls 2 for Air Conditioning (A/C) Clutch Feedback Circuit High Voltage and 2 for A/C System High Pressure High Temperature. Find the real meaning of the code first and fix the problem by the real meaning of the code.