This engine P1514 Code is very useful for solving the car engine problem. The meaning of the car engine is mainly useful. The right meaning of the code tells about the car engine problem and the powertrain problem is found here. The engine code is started with the P letter and it means Powertrain. The automobile dictionary meaning of the car engine code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 5 for Computer And Auxiliary Outputs. 1 for Low Coolant Circuit and 4 for Cruise Vehicle Speed or Set Speed Difference Too High.