Ford P0030 OBD-II Trouble Code Definition: P0030 HO2S Heater Control Circuit Bank 1 Sensor 1 P0030 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0030 HO2S Heater Control Circuit What does the code mean? OBD-ii Code P0030 definition: Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F […]