this code is related to my Disa valve. my disa is only like a year old since I swapped it trying to figuring out my lean code errors. I did have to disconnect the disa to fix my CCV hose leak. I check and it plugged back in. no idea why it's not throwing errors. any thoughts?

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2003 X5 3.0i Silver (build 07/03)
2006 X5 3.0i Blue
1977 Ferrari 308 GTB
1994 Ferrari 348TS Speciale #14/15
1989 Ferrari Testarossa