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P0158 Diagnostic Trouble Code Discussion for January 2018

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


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Trouble Ticket Help Requests for DTC P0158
Help Request Posted
2011 GMC Sierra 2500 HD SLE 6.0L MIL Lamp on VIN: 1GT22ZCG9B
P0158: Rear Oxygen Sensor Voltage too High. Getting Stumped on this one, truck came in with code for rear O2, we diagnosed and replaced, scan tool readings were maxed out at 1.275mv, bias voltage is 1.9V going to sensor and had 1.2 - 1.25 returning back on Low Sig wire. It came back a week later wit...
January 10, 2018
2011 GMC Sierra 2500 HD SLE 6.0L MIL Lamp on VIN: 1GT22ZCG9B
P0158: Rear Oxygen Sensor Voltage too High. Getting Stumped on this one, truck came in with code for rear O2, we diagnosed and replaced, scan tool readings were maxed out at 1.275mv, bias voltage is 1.9V going to sensor and had 1.2 - 1.25 returning back on Low Sig wire. It came back a week later wit...
January 14, 2018