The automobile dictionary meaning of the P2271 Code helps to fix the car engine. If the real meaning of the code is not found, it becomes difficult talks to solve the car engine problem. The main problem of the car engine is powertrain problem and it can be known from the meaning of the code. The rest of the meaning of the code can be known from the automobile dictionary meaning 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. 7 for Vehicle Speed Output Circuit and 1 for TFP Valve Position Switch-Drive Without Drive Ratio.