body module wont reconize new window module you have to program bcm to read new switch On some vehicles if you just operate everything (complete cycle) from the drivers side then everything will work as intended. sometimes you have to work the pass side window (complete cycle) befor the pass window will work with auto setting. also make sure the window lock out button on drivers switch wasn't turned on by mistake.
Look for leaking window or door seals, especially if it has been raining.
i found the computer located on the drivers side up under the dash
8 seats.
Passenger floorboard
Bad window seal?
take it to the dealer!!
you take it off
Why ?
For the year 2012, the Yukon XI has an overall 4 of 5 star crash test rating. Other areas like, Front Passenger, And Side Passenger, have 5 of 5 star ratings.
On the top passenger side next to the dist.
To the right of the glove box.
It is screewed into the passenger side of the engine block just in front of the starter.