Ford P0533 OBD-II Trouble Code Definition: P0533 A/C Refrigerant Pressure Sensor Circuit High Input P0533 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0533 A/C Refrigerant Pressure Sensor “A” Circuit High What does the code mean? OBD-ii Code P0533 definition: The powertrain control module (PCM) monitors the high side refrigerant pressure via a A/C refrigerant pressure sensor. […]