2012 Toyota Highlander electrical system problems
29 owner complaints filed with NHTSA name the electrical system on the 2012 Toyota Highlander — 16% of all complaints for this model year.
What owners report
“I think there is odometer fraud by this company selling this car. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)”
filed Jul 5, 2025
“2012 TOYOTA HIGHLANDER was locked & battery was dead. Could not unlock using either the key fob or the mechanical key in the fob. Was told even the mechanical key requires battery power.”
filed Dec 1, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Highlander years
| Year | Reports | Share |
|---|---|---|
| 2024 Highlander | 6 | 15% |
| 2023 Highlander | 12 | 7% |
| 2022 Highlander | 16 | 7% |
| 2021 Highlander | 25 | 5% |
| 2020 Highlander | 16 | 5% |
| 2019 Highlander | 55 | 12% |
| 2018 Highlander | 24 | 9% |
| 2017 Highlander | 46 | 18% |
| 2016 Highlander | 14 | 13% |
| 2015 Highlander | 51 | 27% |
| 2014 Highlander | 35 | 26% |
| 2013 Highlander | 25 | 12% |
Other reported problem areas on the 2012 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.