Ford P0277 OBD-II Trouble Code Definition: P0277 Cylinder 6 Injector Circuit High P0277 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0277 Cylinder 6 Injector Circuit High What does the code mean? OBD-ii Code P0277 definition: Code P0277 is triggered when the Power Train Control Module (PCM) detects a high voltage in the Fuel Injector #6 Circuit. […]