I found pretty much that when it comes up, once it finally clears, it stays cleared until you re tune. I think it's the EBP sensor. I cleaned it out one day at work when I got that code and it went away for a good while, maybe 6 months. I got it again maybe a month ago.
Sometimes it won't clear and I have to re tune it to make it go away. But then again it came up while idling at work, and I just left it running and went to do some work, maybe an hour to an hour and a half I came back and it was gone. Lol weird stuff.
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