The automobile dictionary meaning of the engine P0764 Code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 7 for Auxiliary Emission Controls. 6 for Control Module Throttle Actuator Position Performance and 4 for Cruise Vehicle Speed/Set Speed Difference Too High. The engine code lets you know about the place of the problem and you can understand detail of the car engine’s problem if you follow the right meaning of the code. The engine code has right and wrong meaning,. You must seek the right meaning of the code of the engine for solving the car engine.