took mine in for same problem squeal at start up,recalls and an oil change they tell me the sqeal is normal and they r changing oil well they go to back it out truck wont move trans problem..i now drive a 4 cyl Silverado while my 6.2 high country rests
u really don't need tpms tool to do trailer tires set mine up yesterday very easy just let air out of tire till horn honks then go to the next,,
was gonna order tool until I read owners manual..
that's mine exactly
droppin it at dealer Monday for the shake and the driver seat butt heat not workin back is.. hope they resolve both love my truck got it set up just the way I like it