SO, I have problem with 6l80 tranny in Escalade 2007. The main symptoms/ delay shifting from 2-3 gear but only when box is hot 60°C- (140°F)- always happens at light throttle +-3000rpm, +-20mph, also changing gears after that is no smooth. When I reset adaptapts car i running very smooth till first delay between 2-3 than after looks like ETC trying to compensate this and changing adaptations than I am getting knocks when shifting. Overy couple of weeks its throwing random codes for solenoid P0797, P2715 and other-for different solenoids. I've already changed valve body without TEHCM (second hand unit), replaced laminated discs in TEHCM, but problem is still the same. I am in Belgium, so there is no mechanics with the experience with USA cars. Does anyone have any suggestions, or have similar issue? SHould I concentrate on solenoids or search the problem in the mechanics of the box? Thanks in advance for all the suggestions.