Toyota Corolla electrical system problems by year
863 NHTSA owner complaints name the electrical system across 37 Corolla model years. The most reported year is 2009 with 89 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2025 Corolla | 3 | 11% | — | |
| 2024 Corolla | 7 | 11% | — | |
| 2023 Corolla | 13 | 18% | — | |
| 2022 Corolla | 19 | 20% | — | |
| 2021 Corolla | 22 | 12% | — | |
| 2020 Corolla | 29 | 10% | 37,500 mi | |
| 2019 Corolla | 15 | 8% | — | |
| 2018 Corolla | 12 | 9% | — | |
| 2017 Corolla | 21 | 12% | 13,281 mi | |
| 2016 Corolla | 14 | 7% | — | |
| 2015 Corolla | 18 | 8% | 29,000 mi | |
| 2014 Corolla | 51 | 19% | 43,000 mi | |
| 2013 Corolla | 11 | 5% | 61,000 mi | |
| 2012 Corolla | 13 | 3% | 41,000 mi | |
| 2011 Corolla | 18 | 3% | 92,000 mi | |
| 2010 Corolla | 75 | 6% | 66,000 mi | |
| 2009 Corolla | 89 | 6% | 58,275 mi | |
| 2008 Corolla | 21 | 7% | 39,500 mi | |
| 2007 Corolla | 89 | 11% | 50,000 mi | |
| 2006 Corolla | 85 | 10% | 53,331 mi | |
| 2005 Corolla | 58 | 7% | 90,889 mi | |
| 2004 Corolla | 24 | 5% | 86,500 mi | |
| 2003 Corolla | 34 | 5% | 108,010 mi | |
| 2002 Corolla | 1 | 1% | — | |
| 2001 Corolla | 7 | 5% | — | |
| 2000 Corolla | 5 | 3% | — | |
| 1999 Corolla | 6 | 4% | — | |
| 1998 Corolla | 16 | 7% | — | |
| 1997 Corolla | 7 | 5% | — | |
| 1996 Corolla | 12 | 9% | — | |
| 1995 Corolla | 18 | 10% | — | |
| 1994 Corolla | 12 | 7% | — | |
| 1993 Corolla | 14 | 11% | — | |
| 1992 Corolla | 12 | 19% | — | |
| 1991 Corolla | 7 | 10% | — | |
| 1989 Corolla | 3 | 13% | — | |
| 1988 Corolla | 2 | 8% | — |
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.