Oxygen Sensor Heater

(_PO135_)
- The scan tool indicates Diagnostic Trouble Code (DTC) P0135: A problem in the Rear Primary Heated Oxygen PO135 Sensor (HO2S) (Bank 1, Sensor 1) Heater circuit.
(_PO141_)
- The scan tool indicates Diagnostic Trouble Code (DTC) P0141: A problem in the Rear Secondary Heated Oxygen PO141 Sensor (HO2S) (Bank 1, Sensor 2) Heater circuit.
(_PO155_)
- The scan tool indicates Diagnostic Trouble Code (DTC) P0155: A problem in the Front Primary Heated Oxygen PO155 Sensor (HO2S) (Bank 2, Sensor 1) Heater circuit.
(_PO161_)
- The scan tool indicates Diagnostic Trouble Code (DTC) P0161: A problem in the Front Secondary Heated PO161 Oxygen Sensor (HO2S) (Bank 2, Sensor 2) Heater circuit.