06wrx cel p2442
My 06 wrx with 58k miles CEL just came on and the code is P2442 Secondary air injection system switch valve stuck open bank 2. Any idea what this is and how i can fix this myself? I read on other forums that it can be the 10A fuse but I checked all the fuses because mine was not labeled and they are all good. This happened to me awhile back and it went away on its own but now its still there for about 3 months now and inspection is coming up soon. All help is appreciated and Thanks in advance.