I have right over 75000 miles. Today going about 40 mph in rolling traffic my trans felt like it shifted down and the back up pretty hard about 3 or 4 times over a span of 3 or 4 miles. I think it was 4th and 5th gear . It was in tow haul mode. I was just cruising, not slowing down or speeding up. Temps were normal at 168. I turned off tow haul and locked it in 4th and it was fine for another 30 minutes of driving. I have the solenoid recall I need to get fixed. One time it did something similar and went into limp mode but this time it didn't. I'm about to drive 50 miles home and see how it does.