The engine P20ED Code is found online and it is easy to get. There are many information of the code and the manufacturer meaning of the code is available on the manual of the car. This code meaning is found automobile dictionary but it does not work. The P20ed engine code seems a kind of powertrain problem. The dictionary meaning of the code is P is Powertrain Code – Problem is related engine, transmission and emissions systems. 2 is MFG – Manufacturer Specific. 0 is Transmission E is BBV Sensor Circuit Low Voltage and D is TFP Valve Position Switch-Drive Without Drive Ratio.