Loss of power at highway speeds
 

2014 RLX P-AWS with 62k miles and a transmission flush done at 60k.

Did a 700 mile road trip last weekend and when cruising on the interstate north of 75mph, or more, with the cruise control on I would get these random "blips" where it felt like for a 1/10 of a second the car lost power or like shut off and instantly turned back on. At one point it was happening like every 15 minutes so I disengaged the cruise control and started to pedal it and when pedaling it I didn't feel it.

I am not sure if this is a tranny issue or a cruise control issue?

My one friend did say he has felt that same thing on his truck but it was because it was extremely windy and what happened was you're going 80mph and you get a front gust of say 35mph it can feel like the car loses power for a brief moment till you're thru the gust or the car adjust. It was EXTREMELY windy up in Minnesota last weekend. Gust north of 50mph.

Anyone else having these issues? Does the wind thing sound plausible?

Sounds plausible.