2018 Tesla Model X vehicle speed control problems
19 owner complaints filed with NHTSA name the vehicle speed control on the 2018 Tesla Model X — 10% of all complaints for this model year.
What owners report
“While driving on FSD (Full Self Driving) the vehicle was turning off the road into a parking lot and sped up and hit a vehicle while I was pressing the brake to the floor! I had to brace for impact when I hit the vehicle. I have requested the data and telemetry logs from Tesla. Everything was fine…”
filed Aug 3, 2026
“During a recent incident where a tire issue caused damage to the wiring harness for the parking brake, resulting in a Parking Brake Failure notification on the screen, the vehicle would not stop or turn off. The vehicle displayed N for neutral on the dash, but the vehicle would drive forward unless…”
filed Feb 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Model X years
| Year | Reports | Share |
|---|---|---|
| 2024 Model X | 2 | 8% |
| 2023 Model X | 7 | 4% |
| 2022 Model X | 12 | 10% |
| 2021 Model X | 3 | 8% |
| 2020 Model X | 18 | 15% |
| 2019 Model X | 11 | 11% |
| 2017 Model X | 16 | 6% |
| 2016 Model X | 35 | 8% |
Other reported problem areas on the 2018 Tesla Model X
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.