P0058 AUDI HO2S Heater Control Circuit High Bank 2 Sensor 2

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit fuse– Faulty Engine Control Module (ECM) When is the obd…

P1103 AUDI HO2S Heating Circuit Bank 1 Sensor 1 Voltage Too Low

Possible causes – Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1– HO2S Bank 1 Sensor 1 blown fuse– HO2S Bank 1 Sensor 1 harness is open or shorted– HO2S Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1105 AUDI HO2S Heating Circuit Bank 1 Sensor 2 Short To Positive

Possible causes – Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2– HO2S Bank 1 Sensor 2 blown fuse– HO2S Bank 1 Sensor 2 harness is open or shorted– HO2S Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1107 AUDI HO2S Heating Circuit Bank 2 Sensor 1 Short To Positive

Possible causes – Faulty Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1– HO2S Bank 2 Sensor 1 blown fuse– HO2S Bank 2 Sensor 1 harness is open or shorted– HO2S Bank 2 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0155 AUDI HO2S21 Sensor Heater Circuit

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection – Faulty Engine Control Module (ECM) Tech…

P0050 AUDI HO2S Heater Control Circuit Bank 2 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 fuse– Faulty Engine Control Module (ECM) Tech description The code means…

P0051 AUDI HO2S Heater Control Circuit Low Bank 2 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 1 fuse– Faulty Engine Control Module (ECM) Tech description The code means…

P0056 AUDI HO2S Heater Control Circuit Bank 2 Sensor 2

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 harness is open shorted– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit poor electrical connection– Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2 circuit fuse– Faulty Engine Control Module (ECM) Tech description The code…

P0030 AUDI HO2S Heater Control Circuit Bank 1 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection– Faulty Engine Control Module (ECM) Tech description…