2020 Toyota Highlander vehicle speed control problems
10 owner complaints filed with NHTSA name the vehicle speed control on the 2020 Toyota Highlander — 3% of all complaints for this model year.
What owners report
“The vehicle is a 2020 Toyota Highlander experiencing a transmission system malfunction, specifically involving the automatic transmission and/or torque converter. Component/System Failure: The transmission produces a noticeable whining noise during acceleration and exhibits abnormal shifting…”
filed Apr 2, 2026
“Vehicle: 2020 Toyota Highlander XLE Purchased: August 2020 Owner: Original owner Transmission: UA80F Dealer quote for “Transmission assembly remove and replace: $8,666.22 +tax The vehicle is experiencing delayed acceleration (lagging power) and a loud whirring noise from the transmission when the…”
filed Feb 28, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Vehicle Speed Control problems in other Highlander years
| Year | Reports | Share |
|---|---|---|
| 2024 Highlander | 1 | 3% |
| 2023 Highlander | 9 | 5% |
| 2022 Highlander | 8 | 4% |
| 2021 Highlander | 8 | 2% |
| 2019 Highlander | 13 | 3% |
| 2018 Highlander | 9 | 3% |
| 2017 Highlander | 13 | 5% |
| 2016 Highlander | 4 | 4% |
| 2015 Highlander | 11 | 6% |
| 2014 Highlander | 5 | 4% |
| 2013 Highlander | 31 | 15% |
| 2012 Highlander | 14 | 8% |
Other reported problem areas on the 2020 Toyota Highlander
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.