The automobile meaning of the engine code is found easily and meaning of the engine P0614 Code is also important thing but you can learn automobile dictionary meaning of the code 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. 1 for Low Coolant Circuit and 4 for Cruise Vehicle Speed/Set Speed Difference Too High. The car engine method services especially established hydraulic lifters which is known as switching roller followers for the engine P0614 code intake and finish valves. The lifters can be collapsed by disengaging an inner locking pin.