Category: Acura

P2453 Acura Diesel Particulate Filter Differential Pressure Sensor Circuit Range / Performance

P2453 Acura Diesel Particulate Filter Differential Pressure Sensor Circuit Range / Performance OBD Code: System: Subsystem:  P2453 Acura – (ASE)  Powertrain  Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Range / Performance Location: Analysis: Possible Causes:    Out of Expected Range   Tech description: Acura Vehicle: Acura ILX, Acura MDX, Acura…

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

P244D Acura 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–…

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

P2450 Acura Evaporative Emission (EVAP) System Switching Valve Performance / Stuck Open OBD Code: System: Subsystem:  P2450 Acura – (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: Acura Vehicle: Acura ILX, Acura MDX, Acura RDX, Acura…

P244A Acura Diesel Particulate Filter Differential Pressure Too Low Bank 1

P244A Acura Diesel Particulate Filter Differential Pressure Too Low Bank 1 P244A Acura Information for specific makes Acura Vehicle: Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX

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

P244C Acura 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–…

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

P2446 Acura Secondary Air Injection System Pump Stuck On (Bank 2) OBD Code: System: Subsystem:  P2446 Acura – (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: Acura Vehicle: Acura ILX, Acura MDX, Acura RDX, Acura RLX,…

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

P2447 Acura Secondary Air Injection System Pump Stuck Off (Bank 2) OBD Code: System: Subsystem:  P2447 Acura – (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: Acura Vehicle: Acura ILX, Acura MDX, Acura RDX, Acura RLX,…

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

P2448 Acura Secondary Air Injection System High Air Flow (Bank 1) OBD Code: System: Subsystem:  P2448 Acura – (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: Acura Vehicle: Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura…

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

P2449 Acura Secondary Air Injection System High Air Flow (Bank 2) OBD Code: System: Subsystem:  P2449 Acura – (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: Acura Vehicle: Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura…

P2444 Acura Secondary Air Injection System Pump Stuck ON Bank 1

P2444 Acura 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 Acura Secondary Air Injection System Pump Stuck OFF

P2445 Acura 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…

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

P2443 Acura Secondary Air Injection System Switching Valve Stuck Closed (Bank 2) OBD Code: System: Subsystem:  P2443 Acura – (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: Acura Vehicle: Acura ILX, Acura MDX, Acura RDX,…

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

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

P2440 Acura Secondary Air Injection System Switching Valve Stuck Open

P2440 Acura 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…

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

P2441 Acura 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 Acura Secondary Air Injection System Switching Valve Stuck Open (Bank 2)

P2442 Acura Secondary Air Injection System Switching Valve Stuck Open (Bank 2) OBD Code: System: Subsystem:  P2442 Acura – (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: Acura Vehicle: Acura ILX, Acura MDX, Acura RDX,…

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

P2436 Acura Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2) OBD Code: System: Subsystem:  P2436 Acura – (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…