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P0138 Diagnostic Trouble Code Discussion for August 2015

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage


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Trouble Ticket Help Requests for DTC P0138
Help Request Posted
2005 Jeep Wrangler Unlimited 4.0L MIL Lamp on VIN: 1J4FA44S85
P0138: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage. ... B2S2 heater circuit fault that another shop didn't want to spend any more time with. The downstream oxygen sensor had a broken connector and was zip tied together. I replaced the pigtail for the sensor and that corrected the heater circuit fault. At this p...
August 06, 2015