OBDCar OBD Codes
P0030PowertrainGeneric

P0030: HO2S Heater Control Circuit (Bank 1 Sensor 1)

P0030 is a generic powertrain diagnostic trouble code: HO2S Heater Control Circuit (Bank 1 Sensor 1).

Detailed diagnostic information for this code has not been added yet. Consult your vehicle's service manual or a qualified mechanic for specific guidance.