Ford P0485 OBD-II Trouble Code Definition: P0485 Cooling Fan Power/Ground Circuit Malfunction P0485 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0485 Fan Power/Ground Circuit What does the code mean? OBD-ii Code P0485 definition: The electric cooling fan is controlled by the powertrain control module (PCM) through the cooling fan relay based on inputs from the following […]