P0051 KIA HO2S 21 Hater Circuit Low Input

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 KIA HO2S 22 Heater Circuit Malfunction

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…

P0057 KIA HO2S 22 Hater Circuit Low Input

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…

P0058 KIA HO2S 22 Hater Circuit High Input

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…

P2237 KIA HO2S Pumping Current Circuit/Open Bank 1 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 1– Heated Oxygen Sensor Bank 1 Sensor 1 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2237 KIA OBD Code Description The linear O2 sensor is…

P2243 KIA O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1

Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 1– Heated Oxygen Sensor Bank 1 Sensor 1 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2243 KIA OBD Code Description The linear O2 sensor is…

P2270 KIA O2 Sensor Signal Stuck Lean Bank 1 Sensor 2

Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 2– Heated Oxygen Sensor Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2270 KIA OBD Code Description The rear heated oxygen sensor…

P2271 KIA O2 Sensor Signal Stuck Rich Bank 1 Sensor 2

Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 2– Heated Oxygen Sensor Bank 1 Sensor 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2271 KIA OBD Code Description The rear heated oxygen sensor…

P1134 KIA HO2S11 Circuit Transistion Switch Malfunction

Possible causes – Faulty HO2S Bank 1 Sensor 1– 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)

P1115 KIA HO2S Circuit Low Voltage Bank 1 Sensor 1

Possible causes – Faulty HO2S Sensor Bank 1 Sensor 1– HO2S Sensor Bank 1 Sensor 1 harness is open or shorted– HO2S Sensor Bank 1 Sensor 1 electrical circuit poor connection Tech description For 1996 and Up Kia models the P1115 Code is for the Engine Coolant Temperature Sensor Short Circuit- Intermittent High Input Read…