The engine P0670 Code is found in the car engine and the automobile engineer needs to seek the right meaning of the code for solving the car engine problem. The automobile dictionary meaning of the code is not supporting content and it is p for Powertrain Code Problem is related engine, transmission and emissions systems. 0 for SAE – Generic. 6 for Vehicle Speed Control And Idle Control System. 7 for Vehicle Speed Output Circuit and 0 for Transmission Engaged At High Throttle Angle. However, you must not use this meaning of the code if you know the correct meaning of the code.