2021 Tesla Model Y vehicle speed control problems
158 owner complaints filed with NHTSA name the vehicle speed control on the 2021 Tesla Model Y — 15% of all complaints for this model year.
What owners report
“I am submitting this complaint to request an investigation into a serious safety defect involving my Tesla vehicle. On multiple occasions, the vehicle has experienced a significant and unexpected loss of acceleration when I attempted to enter or cross intersections. Despite pressing the…”
filed Jun 9, 2026
“The vehicle began experiencing repeated Autopilot/FSD failures while driving. Symptoms included sudden Autopilot disengagements, cruise control becoming unavailable, and loss of road visualization/navigation display functionality. The issue progressively worsened over time. The vehicle was first…”
filed May 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Model Y years
| Year | Reports | Share |
|---|---|---|
| 2026 Model Y | 24 | 8% |
| 2025 Model Y | 10 | 11% |
| 2024 Model Y | 33 | 11% |
| 2023 Model Y | 165 | 15% |
| 2022 Model Y | 137 | 16% |
| 2020 Model Y | 37 | 14% |
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.