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P1155 Diagnostic Trouble Code Discussion for March 2009

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
2000 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G8Y
P1155: Air Fuel Ratio Sensor (Bank 2 Sensor 1) Heater control circuit Malfunction. thank you in advance 4 any help u might provide. after the sensors were replace the cel came back on the next day.I check the 25 amp fuse,the ralay that suplys voltage to both sensors heaters,and the wiring all seems to be ok. I got battery system voltage at t...
March 12, 2009
2001 Lexus RX300 3.0L MIL Lamp on VIN: JTJHF10021
P1155: Air Meter Valve. Check engine and VSC lights are displayed.Are these two failures related? Owner said he just had O-2 sensor replaced.Would appreciate any fix suggestions.
March 24, 2009