The engine P0230 Code supports to solve the car engine problem and the automobile dictionary meaning of the code is not helping thing but you can use this meaning for learning. The automobile meaning of the code is P for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 2 for BBV Sensor Circuit Low Voltage. 3 for BBV Sensor Circuit Low Voltage and 0 for Park or Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit. Powertrain problem of the engine is easy to solve, When the car engine is ok, then a test drive recommended.