2023 Toyota Highlander engine problems
27 owner complaints filed with NHTSA name the engine on the 2023 Toyota Highlander — 16% of all complaints for this model year.
What owners report
“The contact owns a 2023 Toyota Highlander. The contact stated that while driving at lower speeds, pulling into an uphill driveway, the vehicle had independently accelerated while the accelerator pedal was depressed. In addition, the contact stated that she was not able to depressed in time and had…”
filed May 6, 2026
“weather conditions were severe due to a snowstorm, causing ice buildup on the road, low visibility, and slippery pavement. Despite driving cautiously, I lost control of the vehicle, which resulted in going off the road, down an embankment, and crashing into a tree. Immediately after the impact, I…”
filed Jun 27, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Highlander years
| Year | Reports | Share |
|---|---|---|
| 2024 Highlander | 4 | 10% |
| 2022 Highlander | 10 | 4% |
| 2021 Highlander | 44 | 9% |
| 2020 Highlander | 16 | 5% |
| 2019 Highlander | 69 | 15% |
| 2018 Highlander | 33 | 13% |
| 2017 Highlander | 44 | 17% |
| 2016 Highlander | 9 | 8% |
| 2015 Highlander | 9 | 5% |
| 2014 Highlander | 3 | 2% |
| 2013 Highlander | 31 | 15% |
| 2012 Highlander | 17 | 9% |
Other reported problem areas on the 2023 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.