All you need to do is break the bead to change the sensor, the tire doesn't have to be dismounted. @iamdub showed an easy method a while back using a scissor jack and the trailer hitch to open 'er up.
https://www.tahoeyukonforum.com/thr...s-gmt800-tahoe-yukon-today.12502/post-1392558
https://www.tahoeyukonforum.com/thr...s-gmt800-tahoe-yukon-today.12502/post-1392558