2020 Yukon idle question

[Meshe12]

I have a 2020 Yukon that stalled in a drive thru. Ever since then I seem to notice that at idle it seems to have an intermittent heartbeat vibration while stopped but in drive gear. I can’t figure out if it was there before and I’m just now paranoid about it stalling or if it’s not right. I took it to the dealership and they reprogrammed the engine control module.. but it still does it. I only feel it if it idles below the third line (see photo). Has anyone else experienced this? Is it normal?  

Edited September 12, 2020 by Meshe12
Correction

[14burrito]

Feels like a lean miss? I believe its AFR/idle set speed too low. Get a tuner, up it 50rpm over command and idle quality will be much much better.