ODB2 code P0404

What is your question?

What does this mean specifically for a VW Routan? And what is the fix? P0404 is an OBD-II generic code that the engine control module (ECM) detected the engine exhaust gas recirculation (EGR) valve or sensor is out of specification range or its performance has gone out of specification parameters

How long has your 2010 Volkswagen Routan had this problem?

a few days