Let me be more clear. Im on a flat highway. Cruise set at 75mph. Transmission flipping from 5th to 6th, back to 5th, etc. On the first small incline it downshifts to 4th gear. Then? Sticks right there in 4th and never shifts again if cruise isnt cancelled manually. 4th gear at 75mph is 4600rpms. So yea, its loud and definitely not working as it should. I have video of it but im cursing so bad in the vid i wont post it. My dealer saw it, but just has no idea what to do. Ive had both tranny tsbs done. No change. I can drive without using cruise control but it then is shift happy and shifts 4,5,6,5,6,4,5,4,5,6,5,6,5,6..... and on and on. Never stays in any 1 gear more than 3 seconds... kansas is flat. No hills. Life is short. Will sell/trade when im not so upside down. Eta 1 yr.