Category: Chevrolet

P245F Chevrolet ISO / SAE reserved

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

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

P245C Chevrolet Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Low OBD Code: System: Subsystem:  P245C Chevrolet – (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 Chevrolet Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High

P245D Chevrolet Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit High OBD Code: System: Subsystem:  P245D Chevrolet – (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:

P2458 Chevrolet Diesel Particulate Filter Regeneration Duration

P2458 Chevrolet Diesel Particulate Filter Regeneration Duration OBD Code: System: Subsystem:  P2458 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Regeneration Duration Location: Analysis: Possible Causes:       Tech description:

P2459 Chevrolet Diesel Particulate Filter Regeneration Frequency

P2459 Chevrolet 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 Chevrolet will set if the Engine Control Module (ECM) detects that the average…

P245B Chevrolet Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Range / Performance

P245B Chevrolet Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Range / Performance OBD Code: System: Subsystem:  P245B Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description:

P2454 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit Low

P2454 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit Low OBD Code: System: Subsystem:  P2454 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Low Location: Analysis: Possible Causes:    End of Range – Circuit Lower Than Expected   Tech description:

P2455 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit High

P2455 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit High OBD Code: System: Subsystem:  P2455 Chevrolet – (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 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic

P2456 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem:  P2456 Chevrolet – (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:

P2457 Chevrolet Exhaust Gas Recirculation (EGR) Cooling System Performance

P2457 Chevrolet Exhaust Gas Recirculation (EGR) Cooling System Performance OBD Code: System: Subsystem:  P2457 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Exhaust Gas Recirculation (EGR) Cooling System Performance Location: Analysis: Possible Causes:       Tech description:

P2451 Chevrolet Evaporative Emission (EVAP) System Switching Valve Stuck Closed

P2451 Chevrolet Evaporative Emission (EVAP) System Switching Valve Stuck Closed OBD Code: System: Subsystem:  P2451 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Switching Valve Stuck Closed Location: Analysis: Possible Causes:    Stuck Closed   Tech description:

P2452 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit

P2452 Chevrolet Diesel Particulate Filter Differential Pressure Sensor Circuit OBD Code: System: Subsystem:  P2452 Chevrolet – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Location: Analysis: Possible Causes:    Circuit Issue   Tech description: