The engine P1444 Code has several meanings and you must allow the right meaning of the code. The real meaning of the car engine code is important thing but when you do not get the real meaning of the code, you must use automobile dictionary meaning what is important to use. The automobile dictionary meaning of the code 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 4 for Cruise Vehicle Speed/Set Speed Difference Too High. If the car engine is fixed, take the car to test.