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P0030 Diagnostic Trouble Code Discussion for January 2019

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0030
Help Request Posted
2004 Subaru Outback 2.5L MIL Lamp on VIN: 4S3BH67504
P0030: Air Fuel Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction. ... can't seem to be able to get rid of the trouble code P0030 (Heater control circuit B1S1) upstream. I have replaced the O2 sensor twice with aftermarket sensors due to the price but something tells me it must be factory. On my scan tool I can see th...
January 09, 2019