09 Tahoe transmission problem

[FATBOY2003]

Short version, I have issues with the tranny, been to the dealer twice, they haven't figured it out. It slips between 1st & 2nd but doesn't do it all the time. Anyone else out there seen this? Almost got hit twice now due to the slipping.

 

[Jounier11]

:welcome: Go here this area is ONLY for 2007-2013 Hoe's:http://tahoeforum.com/forumdisplay.php?f=2