2021 Tesla Model 3 electrical system problems
76 owner complaints filed with NHTSA name the electrical system on the 2021 Tesla Model 3 — 12% of all complaints for this model year.
What owners report
“The high voltage battery on my 2021 Tesla Model 3 Standard Range suddenly failed without any prior warning or gradual degradation. The vehicle was consistently achieving approximately 180 miles of range per full charge. Overnight, the battery charge was restricted to approximately 30% capacity…”
filed Jul 14, 2026
“The contact owns a 2021 Tesla Model 3. The contact stated that while the vehicle was set to Self-Driving Mode, the vehicle suddenly stopped abruptly without the brake pedal depressed. The contact depressed the accelerator pedal immediately to continue driving. The vehicle was taken to the dealer…”
filed Jun 24, 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
- Unit of speed (mph or km/h) may fail to display on the speedometer while in Track ModeCampaign 22V263000 · Apr 18, 2022
- A software error may cause a valve in the heat pump to open unintentionally and trap the…Campaign 22V050000 · Feb 2, 2022
Electrical System problems in other Model 3 years
| Year | Reports | Share |
|---|---|---|
| 2025 Model 3 | 19 | 17% |
| 2024 Model 3 | 42 | 20% |
| 2023 Model 3 | 51 | 12% |
| 2022 Model 3 | 56 | 7% |
| 2020 Model 3 | 40 | 9% |
| 2019 Model 3 | 91 | 15% |
| 2018 Model 3 | 167 | 17% |
| 2017 Model 3 | 2 | 8% |
Other reported problem areas on the 2021 Tesla Model 3
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.