The error engine P205D Code is found in the car engine and it comes by the car engine tested. Do not use wrong meaning of the code for solving the car engine. Do not use automobile dictionary meaning of the code and it is P for Powertrain Code – Problem is related engine, transmission and emissions systems. 2 for MFG – Manufacturer Specific. 0 for Transmission. 5 for BBV Sensor Circuit Low Voltage and D for TFP Valve Position Switch-Drive Without Drive Ratio. The powertrain problem of the car engine is easy to fix and without changing the car engine part, the car engine can be fixed.