Category: OBDii Powertrain Codes

P2426 Exhaust Gas Recirculation (EGR) Cooling Valve Control Circuit Low OBD Code: System: Subsystem:  P2426 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooling Valve Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2427 Exhaust Gas Recirculation (EGR) Cooling Valve Control Circuit High OBD Code: System: Subsystem:  P2427 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooling Valve Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2428 Exhaust Gas Temperature Too High (Bank 1) OBD Code: System: Subsystem:  P2428 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Temperature Too High (Bank 1) Location: Analysis: Possible Causes:  Bank 1     Tech description:

P2419 Evaporative Emission (EVAP) System Switching Valve Control Circuit Low OBD Code: System: Subsystem:  P2419 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Switching Valve Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2420 Evaporative Emission (EVAP) System Switching Valve Control Circuit High OBD Code: System: Subsystem:  P2420 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Switching Valve Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2421 Evaporative Emission (EVAP) System Vent Valve Stuck Open OBD Code: System: Subsystem:  P2421 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Vent Valve Stuck Open Location: Analysis: Possible Causes:    Stuck Open   Tech description:

P2422 Evaporative Emission (EVAP) System Vent Valve Stuck Closed OBD Code: System: Subsystem:  P2422 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Vent Valve Stuck Closed Location: Analysis: Possible Causes:    Stuck Closed   Tech description:

P2423 HC Adsorption Catalyst Efficiency Below Threshold (Bank 1) OBD Code: System: Subsystem:  P2423 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: HC Adsorption Catalyst Efficiency Below Threshold (Bank 1) Location: Analysis: Possible Causes:  Bank 1     Tech description:

P2424 HC Adsorption Catalyst Efficiency Below Threshold (Bank 2) OBD Code: System: Subsystem:  P2424 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: HC Adsorption Catalyst Efficiency Below Threshold (Bank 2) Location: Analysis: Possible Causes:  Bank 2     Tech description:

P2414 Oxygen (O2) Sensor Exhaust Sample Error (Bank 1 – Sensor 1) OBD Code: System: Subsystem:  P2414 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Oxygen (O2) Sensor Exhaust Sample Error (Bank 1 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1 – Sensor 1     Tech description:

P2415 Oxygen (O2) Sensor Exhaust Sample Error (Bank 2 – Sensor 1) OBD Code: System: Subsystem:  P2415 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Oxygen (O2) Sensor Exhaust Sample Error (Bank 2 – Sensor 1) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2 – Sensor 1     Tech description:

P2416 Oxygen (O2) Sensor Signals Swapped (Bank 1 – Sensor 2) / (Bank 1 – Sensor 3 OBD Code: System: Subsystem:  P2416 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Oxygen (O2) Sensor Signals Swapped (Bank 1 – Sensor 2) / (Bank 1 – Sensor 3 Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 1…

P2417 Oxygen (O2) Sensor Signals Swapped (Bank 2 – Sensor 2) / (Bank 2 – Sensor 3) OBD Code: System: Subsystem:  P2417 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Oxygen (O2) Sensor Signals Swapped (Bank 2 – Sensor 2) / (Bank 2 – Sensor 3) Location: Analysis: Possible Causes:  Oxygen Sensor – Bank 2…

P2418 EVAP System Valve Control Circuit Open Possible causes – Canister Purge Valve harness is open or shorted– Canister Purge Valve circuit poor electrical connection– Faulty Canister Purge Valve Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P2413 Exhaust Gas Recirculation (EGR) System Performance OBD Code: System: Subsystem:  P2413 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) System Performance Location: Analysis: Possible Causes:       Tech description:

P2410 Fuel Cap Sensor / Switch Circuit Low OBD Code: System: Subsystem:  P2410 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Fuel Cap Sensor / Switch Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2411 Fuel Cap Sensor / Switch Circuit High OBD Code: System: Subsystem:  P2411 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Fuel Cap Sensor / Switch Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2412 Fuel Cap Sensor / Switch Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P2412 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Fuel Cap Sensor / Switch Circuit Intermittent / Erratic Location: Analysis: Possible Causes:    Periodically Unstable Circuit   Tech description: