P2450 Citroen Evaporative Emission (EVAP) System Switching Valve Performance / Stuck Open

P2450 Citroen Evaporative Emission (EVAP) System Switching Valve Performance / Stuck Open OBD Code: System: Subsystem:  P2450 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Switching Valve Performance / Stuck Open Location: Analysis: Possible Causes:    Stuck Open   Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006…

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

P2451 Citroen Evaporative Emission (EVAP) System Switching Valve Stuck Closed OBD Code: System: Subsystem:  P2451 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Switching Valve Stuck Closed Location: Analysis: Possible Causes:    Stuck Closed   Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004 Citroen,2003 Citroen,2002…

P244D Citroen Exhaust Temperature Too High For Particulate Filter Regeneration Bank 1

P244D Citroen Exhaust Temperature Too High For Particulate Filter Regeneration Bank 1 Possible causes – Check coolant level– Check fuel quality– Faulty Upstream Exhaust Temperature– Upstream Exhaust Temperature harness is open or shorted– Upstream Exhaust Temperature circuit poor electrical connection– Inspect tailpipes for abnormal sediment; for example black soot, white ash, oil, coolant, or fuel–…

P244B Citroen Diesel Particulate Filter Differential Pressure Too High Bank 1

P244B Citroen Diesel Particulate Filter Differential Pressure Too High Bank 1 Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004 Citroen,2003 Citroen,2002 Citroen,2001 Citroen,2000 Citroen,1999 Citroen,1998 Citroen,1997 Citroen,1996 Citroen,

P244C Citroen Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1

P244C Citroen Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1 Possible causes – Check coolant level– Check fuel quality– Faulty Upstream Exhaust Temperature– Upstream Exhaust Temperature harness is open or shorted– Upstream Exhaust Temperature circuit poor electrical connection– Inspect tailpipes for abnormal sediment; for example black soot, white ash, oil, coolant, or fuel–…

P2447 Citroen Secondary Air Injection System Pump Stuck Off (Bank 2)

P2447 Citroen Secondary Air Injection System Pump Stuck Off (Bank 2) OBD Code: System: Subsystem:  P2447 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Pump Stuck Off (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Stuck Off   Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005…

P2448 Citroen Secondary Air Injection System High Air Flow (Bank 1)

P2448 Citroen Secondary Air Injection System High Air Flow (Bank 1) OBD Code: System: Subsystem:  P2448 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System High Air Flow (Bank 1) Location: Analysis: Possible Causes:  Bank 1     Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004…

P2449 Citroen Secondary Air Injection System High Air Flow (Bank 2)

P2449 Citroen Secondary Air Injection System High Air Flow (Bank 2) OBD Code: System: Subsystem:  P2449 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System High Air Flow (Bank 2) Location: Analysis: Possible Causes:  Bank 2     Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004…

P244A Citroen Diesel Particulate Filter Differential Pressure Too Low Bank 1

P244A Citroen Diesel Particulate Filter Differential Pressure Too Low Bank 1 P244A Citroen Information for specific makes Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004 Citroen,2003 Citroen,2002 Citroen,2001 Citroen,2000 Citroen,1999 Citroen,1998 Citroen,1997 Citroen,1996 Citroen,

P2444 Citroen Secondary Air Injection System Pump Stuck ON Bank 1

P2444 Citroen Secondary Air Injection System Pump Stuck ON Bank 1 Possible causes – Short in Air Pump circuit– Air pump assembly– Faulty Pressure Sensor– Pressure Sensor harness is open or shorted– Pressure Sensor circuit poor electrical connection What about the obd code? If the pressure level from the sensor has not reached a certain…

P2445 Citroen Secondary Air Injection System Pump Stuck OFF

P2445 Citroen Secondary Air Injection System Pump Stuck OFF Possible causes – Air pump fuse– Vacuum hose– Air pump assembly– Faulty Pressure Sensor– Air pump harness is open or shorted– Air pump circuit poor electrical connection– Pressure Sensor harness is open or shorted– Pressure Sensor circuit poor electrical connection What about the obd code? If…

P2446 Citroen Secondary Air Injection System Pump Stuck On (Bank 2)

P2446 Citroen Secondary Air Injection System Pump Stuck On (Bank 2) OBD Code: System: Subsystem:  P2446 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Pump Stuck On (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Stuck On   Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005…

P2441 Citroen Secondary Air Injection System Switching Valve Stuck Closed Bank 1

P2441 Citroen Secondary Air Injection System Switching Valve Stuck Closed Bank 1 Possible causes – Faulty Vacuum Switching Valve (VSV)– Vacuum Switching Valve (VSV) harness is open or shorted– Vacuum Switching Valve (VSV) circuit poor electrical connection– Faulty Pressure Sensor– Faulty Air Switching Valve What about the obd code? If the Engine Control Module (ECM)…

P2442 Citroen Secondary Air Injection System Switching Valve Stuck Open (Bank 2)

P2442 Citroen Secondary Air Injection System Switching Valve Stuck Open (Bank 2) OBD Code: System: Subsystem:  P2442 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Switching Valve Stuck Open (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Stuck Open   Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007…

P2443 Citroen Secondary Air Injection System Switching Valve Stuck Closed (Bank 2)

P2443 Citroen Secondary Air Injection System Switching Valve Stuck Closed (Bank 2) OBD Code: System: Subsystem:  P2443 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Switching Valve Stuck Closed (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Stuck Closed   Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007…

P2437 Citroen Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low (Bank 2)

P2437 Citroen Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low (Bank 2) OBD Code: System: Subsystem:  P2437 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low (Bank 2) Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Lower Than…

P2438 Citroen Secondary Air Injection System Air Flow / Pressure Sensor Circuit High (Bank 2)

P2438 Citroen Secondary Air Injection System Air Flow / Pressure Sensor Circuit High (Bank 2) OBD Code: System: Subsystem:  P2438 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit High (Bank 2) Location: Analysis: Possible Causes:  Bank 2  End of Range – Circuit Higher Than…

P2439 Citroen Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 2)

P2439 Citroen Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 2) OBD Code: System: Subsystem:  P2439 Citroen – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Periodically Unstable Circuit…