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P1155 Diagnostic Trouble Code Discussion for November 2017

Air Fuel Ratio Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1155
Help Request Posted
2008 Subaru Tribeca Limited 3.6L MIL Lamp on, can't clear codes VIN: 4S4WX92D38
Vehicle came in with flashing CEL. Had 6 oxy sensor related codes. Codes will not clear. The o2 sensors did not respond. Replaced main relay. Now sensors are working but codes will not clear.
November 20, 2017