NHTSA Complaint #11452687 — 2021 TESLA MODEL Y

I have owned two Tesla Model Y's, this one from 2021 and a 2022 version as well. Both vehicles have exhibited the type of "phantom braking" that I have now seen described by several other owners. When attempting to use either the full Autopilot system (which includes both adaptive cruise control and lane keeping assist), or when using just the adaptive cruise control (without lane keeping), the vehicle would brake suddenly and forcefully. This appears to be in response to a threat perceived by the car, but it would happen on totally clear roads, in great weather, without some of the typical false indicators experienced by "vision" based systems. It's noteworthy that both of my cars used the vision-only system, as this vehicle was one of the first ones that Tesla produced that did not include a radar-based system. I experienced phantom braking so often with this car that I was completely unable to use cruise control. On a ~1,000 mile road trip through Wyoming and South Dakota (with minimal traffic in clear conditions on well-marked roads), I experienced over 100 phantom braking incidents in 4 days of highway driving. After that trip, I never used cruise control again regularly, but I would occasionally attempt to see if it fixed itself, and every time I would turn it on, I would have a phantom braking incident within minutes. I was able to capture a few videos of this behavior that I can send, as well, but I apparently can't do that as part of this form so please let me know how I could provide those, if required. Finally, the dates that I'm entering below are for the first occurrence of the phantom braking that I experience, but between the two vehicles, I have probably had it happen to me 150-200 times now. I have since sold the second Tesla (largely to avoid these issues), but please let me know if I can provide more info. These cars are not safe right now, and I've been looking for a way to remedy that for a while.