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P0411 Diagnostic Trouble Code Discussion for April 2013

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2006 Mercedes-Benz C230 Sport 2.5L MIL Lamp on VIN: WDBRF52J06
P0411: Secondary air System. This vehicle came to us with a P0411 code and an inoperative secondary air pump. We replaced the air pump, with one which does work when powered up. There is power to the relay. The problem is there is no power to the air pump when the relay is bypassed. We tr...
April 04, 2013
2008 Volkswagen Jetta SEL 2.5L MIL Lamp on VIN: 3VWRM71K08
P0411: Secondary airflow incorrect. ... having issues with. Customer came in with a check engine light on. Car has a code P0411. We can turn on the air pump with the scan tool and it feels like it has good air flow. It sounds like the new secondary air valve we replaced from Vw opens when comman...
April 16, 2013
2001 Volkswagen EuroVan MV 2.8L MIL Lamp on VIN: WV2NB47081
P0411: Seconadary AIR Low Flow. MIL is on, for the third time, for P0411. Different tech diagnosed and condemed the combination valve for secondary air. Now its mine. I have run the complete physical testing of making sure PCM will run pump and air does come out when it is supposed to. To my...
April 30, 2013