2021 Tesla Model Y electrical system problems
146 owner complaints filed with NHTSA name the electrical system on the 2021 Tesla Model Y — 14% of all complaints for this model year.
What owners report
“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
“Rear passenger door is impossible to open. On using the exterior latch, the window retracts partly and the door opens 1/2 inch only. From inside, nothing works and a passenger would be trapped. Please have Tesla fix this - a very known problem, there are youtubes videos complaining about this door…”
filed Aug 29, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Hood latch assembly may fail to detect an unlatched hood condition after the hood has…Campaign 24V554000 · Jul 24, 2024
- An incorrect font size is displayed on the instrument panel for the Brake, Park, and…Campaign 24V051000 · Jan 30, 2024
- In certain circumstances when Autosteer is engaged, the prominence and scope of the…Campaign 23V838000 · Dec 12, 2023
- A software error may cause a valve in the heat pump to open unintentionally and trap the…Campaign 22V050000 · Feb 2, 2022
Related service bulletins
On certain Model S, Model X and Model Y vehicles, the interior camera requires replacement to mitigate reduced driver attentiveness detection performance in low-light conditions.
SB-24-17-005 · Service Bulletin/Repair Instructions · issued Apr 3, 2025On certain Model S, Model X and Model Y vehicles, the interior camera requires replacement to mitigate reduced driver attentiveness detection performance in low-light conditions.
SB-24-17-005 · Service Bulletin/Repair Instructions · issued Jan 16, 2025
Electrical System problems in other Model Y years
| Year | Reports | Share |
|---|---|---|
| 2026 Model Y | 52 | 14% |
| 2025 Model Y | 17 | 17% |
| 2024 Model Y | 58 | 18% |
| 2023 Model Y | 119 | 10% |
| 2022 Model Y | 119 | 14% |
| 2020 Model Y | 27 | 10% |
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.