OBDII Powertrain(P) Codes, OBDii codes, Fault codes , Trouble codes，Error code, diagnostic code,Manufacturer Codes
Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Symptoms – Engine Light ON (or
Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech notes Replacing the O2 Sensor
Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Symptoms – Engine Light ON (or
Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech notes Replacing the O2 Sensor
Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech notes Replacing the O2 Sensor
Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech notes Replacing the O2 Sensor
Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech notes Replacing the O2 Sensor
Possible causes – Faulty Heated Oxygen Sensor Bank 2 Sensor 3– Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection Tech notes Replacing the O2 Sensor
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the code detected? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the code detected? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the code detected? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the code detected? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the code detected? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection When is the code detected? Heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control
Possible causes – Faulty Idle Air Control (IAC) motor– Idle Air Control (IAC) motor harness is open or shorted– Idle Air Control (IAC) motor circuit poor electrical connection When is the code detected? The PCM senses a short to ground
Possible causes – Faulty heated oxygen sensor– Heated oxygen sensor harness open or shorted– Heated oxygen sensor circuit poor connection– Faulty heated oxygen sensor relay– Faulty Engine Control Module (ECM) When is the code detected? Heater current requirements too low
Possible causes – Faulty Idle Air Control (IAC) motor– Idle Air Control (IAC) motor harness is open or shorted– Idle Air Control (IAC) motor circuit poor electrical connection When is the code detected? The PCM senses a short to ground
Possible causes – Faulty Idle Air Control (IAC) motor– Idle Air Control (IAC) motor harness is open or shorted– Idle Air Control (IAC) motor circuit poor electrical connection When is the code detected? The PCM senses a short to ground
Possible causes – Faulty Idle Air Control (IAC) motor– Idle Air Control (IAC) motor harness is open or shorted– Idle Air Control (IAC) motor circuit poor electrical connection When is the code detected? The PCM senses a short to ground
Possible causes – Faulty Idle Air Control (IAC) motor– Idle Air Control (IAC) motor harness is open or shorted– Idle Air Control (IAC) motor circuit poor electrical connection When is the code detected? The PCM senses a short to ground