The automobile dictionary meaning of the car engine code is found from online and it is important to use the right meaning of the code. The automobile dictionary meaning of the car engine P1705 Code is important and it is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 7 for Auxiliary Emission Controls. 0 for IC Circuit High Voltage and 5 for Park or Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit. You may face different problem due to use of the wrong meaning of the car engine code.