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P2238 Diagnostic Trouble Code Discussion for August 2014

Air Fuel Sensor (Bank 1 Sensor 1) I/P Line Low Voltage


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Trouble Ticket Help Requests for DTC P2238
Help Request Posted
2004 Toyota Tundra SR5 3.4L MIL Lamp on VIN: 5TBBN441X4
P2238: o2 sensor positive current control circuit low b1s1. seeking info on testing both circuits from and to the sensor. What to look for connector connected and disconnected
August 27, 2014
2004 Toyota Tundra SR5 3.4L MIL Lamp on VIN: 5TBBN441X4
P2238: o2 sensor positive current control circuit low b1s1. seeking info on testing both circuits from and to the sensor. What to look for connector connected and disconnected
August 28, 2014