Ford P0044 OBD-II Trouble Code Definition: P0044 HO2S Heater Control Circuit High Bank 1 Sensor 3 P0044 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0044 HO2S Heater Control Circuit High What does the code mean? OBD-ii Code P0044 definition: Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 […]