Ford P0531 OBD-II Trouble Code Definition: P0531 Air Conditioning (A/C) Refrigerant Pressure (Sensor A) Circuit Range / Performance P0531 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0531 A/C Refrigerant Pressure Sensor “A” Circuit Range/Performance What does the code mean? OBD-ii Code P0531 definition: The powertrain control module (PCM) monitors the high side refrigerant pressure via a […]