Do not apply any meaning of the engine code for solving the car engine. The automobile dictionary meaning of the engine code is not very important thing but you can learn some information from the automobile dictionary meaning of the code. The automobile dictionary meaning of the P0766 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 6 for Cruise Control System – Vehicle Accel Too High. Do not allow any other meaning of the code for fixing the car engine without real meaning of the car manufacturer.