P2451 Audi Evaporative Emission (EVAP) System Switching Valve Stuck Closed OBD Code: System: Subsystem: P2451 Audi – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Evaporative Emission (EVAP) System Switching Valve Stuck Closed Location: Analysis: Possible Causes: Stuck Closed Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi…
Category: Audi
P2452 Audi Diesel Particulate Filter Differential Pressure Sensor Circuit
P2452 Audi Diesel Particulate Filter Differential Pressure Sensor Circuit OBD Code: System: Subsystem: P2452 Audi – (ASE) Powertrain Auxiliary Emission Controls Trouble Code Description: Diesel Particulate Filter Differential Pressure Sensor Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi…
P244C Audi Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1
P244C Audi 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–…
P244D Audi Exhaust Temperature Too High For Particulate Filter Regeneration Bank 1
P244D Audi 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–…
P244E Audi Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 2
P244E Audi Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 2 Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8 V10,Audi…
P244F Audi Exhaust Temperature Too High For Particulate Filter Regeneration Bank 2
P244F Audi Exhaust Temperature Too High For Particulate Filter Regeneration Bank 2 Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8 V10,Audi…
P2449 Audi Secondary Air Injection System High Air Flow (Bank 2)
P2449 Audi Secondary Air Injection System High Air Flow (Bank 2) OBD Code: System: Subsystem: P2449 Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi…
P244A Audi Diesel Particulate Filter Differential Pressure Too Low Bank 1
P244A Audi Diesel Particulate Filter Differential Pressure Too Low Bank 1 P244A Audi Information for specific makes Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi…
P244B Audi Diesel Particulate Filter Differential Pressure Too High Bank 1
P244B Audi Diesel Particulate Filter Differential Pressure Too High Bank 1 Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS 5,Audi S6,Audi R8 V10,Audi R8…
P2445 Audi Secondary Air Injection System Pump Stuck OFF
P2445 Audi 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 Audi Secondary Air Injection System Pump Stuck On (Bank 2)
P2446 Audi Secondary Air Injection System Pump Stuck On (Bank 2) OBD Code: System: Subsystem: P2446 Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi…
P2447 Audi Secondary Air Injection System Pump Stuck Off (Bank 2)
P2447 Audi Secondary Air Injection System Pump Stuck Off (Bank 2) OBD Code: System: Subsystem: P2447 Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi…
P2448 Audi Secondary Air Injection System High Air Flow (Bank 1)
P2448 Audi Secondary Air Injection System High Air Flow (Bank 1) OBD Code: System: Subsystem: P2448 Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi…
P2442 Audi Secondary Air Injection System Switching Valve Stuck Open (Bank 2)
P2442 Audi Secondary Air Injection System Switching Valve Stuck Open (Bank 2) OBD Code: System: Subsystem: P2442 Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi…
P2443 Audi Secondary Air Injection System Switching Valve Stuck Closed (Bank 2)
P2443 Audi Secondary Air Injection System Switching Valve Stuck Closed (Bank 2) OBD Code: System: Subsystem: P2443 Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi…
P2444 Audi Secondary Air Injection System Pump Stuck ON Bank 1
P2444 Audi 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…
P2439 Audi Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 2)
P2439 Audi Secondary Air Injection System Air Flow / Pressure Sensor Circuit Intermittent / Erratic (Bank 2) OBD Code: System: Subsystem: P2439 Audi – (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 Audi Secondary Air Injection System Switching Valve Stuck Open
P2440 Audi 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 Audi Secondary Air Injection System Switching Valve Stuck Closed Bank 1
P2441 Audi 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)…
P2436 Audi Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2)
P2436 Audi Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance (Bank 2) OBD Code: System: Subsystem: P2436 Audi – (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…