DTC P0137, P0157: Notes
DTC P0137 : Rear Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 1, Sensor 2)) Circuit Low Voltage DTC P0157 : Front Secondary Heated Oxygen Sensor (Secondary HO2S (Bank 2, Sensor 2)) Circuit Low Voltage
NOTICE:
Before you troubleshoot, review the How to Troubleshoot .