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P0137 Diagnostic Trouble Code Discussion for June 2011

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


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Trouble Ticket Help Requests for DTC P0137
Help Request Posted
1997 Cadillac Seville STS 4.6L MIL Lamp on VIN: 1G6KY5297V
P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage. Getting codes P0137 and P1139. Have followed the trouble trees for the codes to no avail, all wiring checks out and a new pcm was installed but it didn't fix the problem. The precat O2 sensor will stay at .080 volts and occassionally will switch like the upstr...
June 20, 2011
1997 Cadillac Seville STS 4.6L MIL Lamp on VIN: 1G6KY5297V
P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage. Getting codes P0137 and P1139. Have followed the trouble trees for the codes to no avail, all wiring checks out and a new pcm was installed but it didn't fix the problem. The precat O2 sensor will stay at .080 volts and occassionally will switch like the upstr...
June 20, 2011