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P0157 Diagnostic Trouble Code Discussion for May 2022

Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0157
Help Request Posted
2016 Toyota Tundra SR5 5.7L MIL Lamp on VIN: 5TFRW5F1XG
P0157: B2S2 oxygen sensor low Voltage. Howdy Y'all! We got this Toyota Tundra that had the Cats stolen and rear Oxy sensors cut. After replacing all that, the B2 rear sensor starts off ok, when the heater comes on line that side the impedance (22k ohms) does not change and the sensor then drops...
May 11, 2022
2016 Toyota Tundra SR5 5.7L MIL Lamp on VIN: 5TFRW5F1XG
P0157: B2S2 oxygen sensor low Voltage. Howdy Y'all! We got this Toyota Tundra that had the Cats stolen and rear Oxy sensors cut. After replacing all that, the B2 rear sensor starts off ok, when the heater comes on line that side the impedance (22k ohms) does not change and the sensor then drops...
May 16, 2022