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P0157 Diagnostic Trouble Code Discussion for April 2005

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


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Trouble Ticket Help Requests for DTC P0157
Help Request Posted
1999 Chevrolet K1500 Suburban 5.7L MIL Lamp on VIN: 1GNFK16R9X
P0157: Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage. This Suburban will set Code P0137 and P0157 after two trips. Both codes indicate low oxygen sensor voltage at the rear sensors. Using a Snapon scanner and reading oxygen sensors in closed loop both front sensors fluctuate evenly between .08 volt and .9 volt. B...
April 12, 2005
1999 Chevrolet K1500 Suburban 5.7L MIL Lamp on VIN: 1GNFK16R9X
P0157: Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage. This Suburban will set Code P0137 and P0157 after two trips. Both codes indicate low oxygen sensor voltage at the rear sensors. Using a Snapon scanner and reading oxygen sensors in closed loop both front sensors fluctuate evenly between .08 volt and .9 volt. B...
April 12, 2005