Stuck in 4L - Pushed 2H and will not Return on 2001 GMC Yukon XL 1500

Had a good snow storm and put vehicle into 4WD L, Push-Button Automatic. When trying to return to 2WD H, Push-Button Automatic flashed, but did not switch back. What do I do at this point?

Asked by for the 2001 GMC Yukon XL 1500
1 answer
This is a very common problem amongst GM SUV, it is usually the switch, that needs replaced.