Anybody experience the P0507 high idle check engine light? Tune related?

[DanMPower]

After going Unitronic Stage 2 E85 my 2018 RS3 threw the P0507 (idle control system has excessively high RPM) code a few weeks after, not sure if it was related to the tune or strictly coincidence, the car idled perfectly so I cleared the code and it never came back. Fast forward a few months later, I'm Stage 3 E85 now and it just threw the same code yesterday while I was idling in my garage. My idle is perfect, doesn't hunt, surge or anything, idles around 800 in comfort and 1100 in dynamic/sport.

Has anybody else had this code pop up? Is there some kind of idle relearn procedure I can try? Possibly my Unitronic 4" CF intake causing it?

Thanks guys, any input is greatly appreciated.

[o1turbo30v]

Ive seen that code on a failing PCV on other vehicles

[DanMPower]

A little update, this little hose right here was the culprit. I guess when I removed it to install my injectors to go Stage 2 the twisting action made a tear in it underneath which I couldn't see, this caused a tiny leak and increased my idle just enough to trip the CEL. Replaced it and now all is perfect!