Oxygen Sensor Heater

[PO135] The scan tool indicates Diagnostic Trouble Code (DTC) PO135: A problem in the Primary Heated Oxygen Sensor (Primary HO2S) (Sensor 1) Heater circuit.

[P0141] The scan tool indicates Diagnostic Trouble Code (DTC) PO141: A problem in the Secondary Heated Oxygen Sensor (Secondary HO2S) (Sensor 2) Heater circuit.