need help 4wd ???????? front shaft stuck spinning

[newbie1276]

whats up people. i recently had to put my 2001 yukon in auto 4wd. now when i drive it thers a humming noise coming from front and checked truck when rolling front driveshaft spining when in 2wd any clues on what could cause this and how too fix. i tried backing up few feet to disengage. shifting transfer case through all settings nothing seem to work any help greatly appreciated thanks in advance

 

[Archie]

I am Having the same problem!!!

Sounds like the same problem my wife is having with her tahoe.
I replaced front actuator , transfer case switch, dash buttons , and 4wd module under dash... Still seems like it is stuck in 4wd...