P245F ISO / SAE reserved

P245F ISO / SAE reserved OBD Code: System: Subsystem:  P245F – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: ISO / SAE reserved Location: Analysis: Possible Causes:       Tech description:

P245C Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Low

P245C Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Low OBD Code: System: Subsystem:  P245C – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P245D Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High

P245D Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High OBD Code: System: Subsystem:  P245D – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2459 Diesel Particulate Filter Regeneration Frequency

P2459 Diesel Particulate Filter Regeneration Frequency Possible causes – Exhaust leak – Improperly installed or loose Exhaust Gas Temperature (EGT) – Low engine compression – Corroed fuel injector – Water in the fuel system What about the obd code? The P2459 will set if the Engine Control Module (ECM) detects that the average time between…

P2455 Diesel Particulate Filter Differential Pressure Sensor Circuit High

P2455 Diesel Particulate Filter Differential Pressure Sensor Circuit High OBD Code: System: Subsystem:  P2455 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit High Location: Analysis: Possible Causes:    End of Range – Circuit Higher Than Expected   Tech description:

P2456 Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic

P2456 Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P2456 – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic Location: Analysis: Possible Causes:    Periodically Unstable Circuit   Tech description: