I just purchased a 2021 GMC Savana cargo van off a car lot. The screen is defaulted at the pesky service the TPMS system. I have tried to access the learn screen to reset the tire sensors, but when I toggle through the options and am at the " Learn" screen that screen goes completely blank. It won't allow me to select the "check" button because that screen feature is blank. I turned on the key, went over to the four buttons on the left, selected the second from the top, scrolled through the selections but the screen goes blank when I should see the " select the check button to enter the LEARN feature. totally blank screen. Any ideas?

I believe they stopped including the TPMS learn feature that Joe Average consumers could use back in like 2014 or thereabouts. Definitely before 2021. It is possible that it may have been grandfathered on older platforms like your van, but I thought they just took it out of everything.

If I'm correct, it will need a tool to set them up.