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P1155 Diagnostic Trouble Code Discussion for April 2014

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
2002 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF28B02
P1155: Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. On this vehicle the heaters for the air fuel ratio sensors (kind of like the old O2 sensors)will stop working. The power is getting to the PCM through the sensors and wiring and I can see the ground being applied and its levels will vary as it should. Then all...
April 15, 2014