The car engine P1445 Code helps to fix the car engine by the right meaning of the code but do not allow wrong meaning when you do not get the right meaning. The right meaning of code is related with the car brand. So, when you look for the meaning of the code, you need to use the name for finding the real meaning and the automobile dictionary meaning is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 4 for Transmission. 4 for BBV Sensor Circuit Low Voltage and 5 for Park/Neutral Position (PNP) Switch Circuit Engine Torque Signal Circuit.