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

P244D Volvo 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–…

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

P244C Volvo 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–…

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

P2449 Volvo Secondary Air Injection System High Air Flow (Bank 2) OBD Code: System: Subsystem:  P2449 Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo…

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

P2448 Volvo Secondary Air Injection System High Air Flow (Bank 1) OBD Code: System: Subsystem:  P2448 Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo…

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

P2447 Volvo Secondary Air Injection System Pump Stuck Off (Bank 2) OBD Code: System: Subsystem:  P2447 Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo…

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

P2446 Volvo Secondary Air Injection System Pump Stuck On (Bank 2) OBD Code: System: Subsystem:  P2446 Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo…

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P2445 Volvo Secondary Air Injection System Pump Stuck OFF

P2445 Volvo 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…

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P2444 Volvo Secondary Air Injection System Pump Stuck ON Bank 1

P2444 Volvo 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…

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

P2443 Volvo Secondary Air Injection System Switching Valve Stuck Closed (Bank 2) OBD Code: System: Subsystem:  P2443 Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo…

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

P2442 Volvo Secondary Air Injection System Switching Valve Stuck Open (Bank 2) OBD Code: System: Subsystem:  P2442 Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo…

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

P2441 Volvo 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)…

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P2440 Volvo Secondary Air Injection System Switching Valve Stuck Open

P2440 Volvo Secondary Air Injection System Switching Valve Stuck Open 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) receives the…

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

P2439 Volvo Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 2) OBD Code: System: Subsystem:  P2439 Volvo – (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…

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

P2438 Volvo Secondary Air Injection System Air Flow / Pressure Sensor Circuit High (Bank 2) OBD Code: System: Subsystem:  P2438 Volvo – (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…

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

P2437 Volvo Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low (Bank 2) OBD Code: System: Subsystem:  P2437 Volvo – (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…

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P2436 Volvo Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2)

P2436 Volvo Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2) OBD Code: System: Subsystem:  P2436 Volvo – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected…

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P2435 Volvo Secondary Air Injection System Air Flow / Pressure Sensor Circuit (Bank 2)

P2435 Volvo Secondary Air Injection System Air Flow / Pressure Sensor Circuit (Bank 2) OBD Code: System: Subsystem:  P2435 Volvo – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Secondary Air Injection System Air Flow / Pressure Sensor Circuit (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Circuit Issue   Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo…

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