The automobile dictionary meaning of the car engine P1150 Code is helpful and it can be used when the real meaning of the code is not found. The real meaning of the car engine code is provided by the automobile manufacturer. When the real meaning of the code is found, the automobile engineer can use the automobile dictionary meaning and it is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 1 for Transmission. 5 for TP Sensor Learn Not Complete and 0 for Transmission Engaged At High Throttle Angle. A test drive is necessary when the car engine is ok and before receiving the car.