Learn about the car engine P2229 Code from the automobile dictionary meaning. The car engine code has various meanings and the right meaning of the code can explain the problem properly. The car engine P2229 code’s general meaning is also important and it 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 9 for Kick-Down Switch Failed Short. You should fix the car engine as soon as possible. Otherwise, it can be a cause of a new problem in the car engine.