2021 Tesla Model Y forward collision avoidance problems
577 owner complaints filed with NHTSA name the forward collision avoidance on the 2021 Tesla Model Y — 54% of all complaints for this model year.
What owners report
“The Tesla will randomly when the Adaptive Cruise Control is engaged brake from highway speeds down to 30mph. This happens when you go by off ramps and at some intersections on the highway. 1) At the intersection of [XXX] and [XXX] in [XXX] it happens sometimes especially if there is a vehicle next…”
filed Sep 16, 2026
“On or about XXX my Tesla Model Y downloaded FSD version 14 Lite. One day after downloading the software, I used FSD and the new software caused the computer to overheat. This killed the car computer and made FSD, adaptive, cruise control, lane keep assist, reverse camera, and many other functions…”
filed Sep 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- A factory reset muted the Pedestrian Warning System (PWS) soundsCampaign 24V153000 · Feb 27, 2024
- Fisheye and narrow camera cable terminals were incorrectly installed in the cable harness…Campaign 22V317000 · May 9, 2022
- Boombox function allows sounds to be played through an external speaker while the vehicle…Campaign 22V235000 · Apr 12, 2022
- Boombox function allows sounds to be played through an external speaker while the vehicle…Campaign 22V063000 · Feb 4, 2022
- A communication error may cause false forward-collision warning (FCW) or unexpected…Campaign 21V846000 · Oct 29, 2021
Forward Collision Avoidance problems in other Model Y years
| Year | Reports | Share |
|---|---|---|
| 2026 Model Y | 106 | 29% |
| 2025 Model Y | 45 | 46% |
| 2024 Model Y | 120 | 38% |
| 2023 Model Y | 474 | 41% |
| 2022 Model Y | 493 | 57% |
| 2020 Model Y | 105 | 38% |
Other reported problem areas on the 2021 Tesla Model Y
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.