P1118 AUDI HO2S Sensor Heater Circuit Open Bank 1 Sensor 2

Possible causes – Faulty HO2 Sensor Bank 1 Sensor 2– HO2 Sensor Bank 1 Sensor 2 harness is open or shorted– HO2 Sensor Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)