Toyota Highlander electrical system problems by year
625 NHTSA owner complaints name the electrical system across 24 Highlander model years. The most reported year is 2019 with 56 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2024 Highlander | 6 | 14% | — | |
| 2023 Highlander | 12 | 7% | — | |
| 2022 Highlander | 17 | 7% | — | |
| 2021 Highlander | 26 | 5% | — | |
| 2020 Highlander | 18 | 6% | — | |
| 2019 Highlander | 56 | 12% | 12,500 mi | |
| 2018 Highlander | 24 | 9% | 14,900 mi | |
| 2017 Highlander | 46 | 17% | 36,000 mi | |
| 2016 Highlander | 14 | 13% | — | |
| 2015 Highlander | 52 | 27% | 50,050 mi | |
| 2014 Highlander | 35 | 26% | 40,000 mi | |
| 2013 Highlander | 26 | 13% | 38,150 mi | |
| 2012 Highlander | 29 | 16% | 48,151 mi | |
| 2011 Highlander | 23 | 13% | 42,500 mi | |
| 2010 Highlander | 53 | 25% | 67,376 mi | |
| 2009 Highlander | 20 | 15% | 72,900 mi | |
| 2008 Highlander | 43 | 11% | 84,500 mi | |
| 2007 Highlander | 23 | 19% | 118,000 mi | |
| 2006 Highlander | 26 | 9% | 95,000 mi | |
| 2005 Highlander | 25 | 11% | 58,885 mi | |
| 2004 Highlander | 18 | 6% | 63,750 mi | |
| 2003 Highlander | 15 | 6% | 113,500 mi | |
| 2002 Highlander | 13 | 4% | — | |
| 2001 Highlander | 5 | 4% | — |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.