2019 Subaru Legacy electrical system problems
35 owner complaints filed with NHTSA name the electrical system on the 2019 Subaru Legacy — 28% of all complaints for this model year.
What owners report
“Due to a dead battery issue in 2025, I bought a new battery. A year later, the car wouldn't start & I finally got it jumped. Ran fine for 3 weeks, then wouldn't start again. I brought car back to the Interstate battery shop, who tested the alternator, which was fine, but he said the battery was…”
filed Mar 30, 2026
“Unintended acceleration, on 2 occasions. First occasion, car was in DRIVE waiting at a traffic stop and the engine radically increased it's RPM from idle to over 6000 RPM, remaining there. Braking control maintained the automobile's position. Shifting the car into neutral caused RPM to increase…”
filed Mar 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Announcement provides diagnostic assistance for CVT issues.
SubaruNet Announcement (C · Other · issued Aug 21, 2026This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or…
15-308-23R · Service Bulletin/Repair Instructions · issued Aug 20, 2026This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. (This is an revised version of the original bulletin.)
15-304-22R · Service Bulletin/Repair Instructions · issued Aug 13, 2026Techtips newsletter locator index.
Article Locator · Other · issued Aug 5, 2026This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin
15-333-25R · Service Bulletin/Repair Instructions · issued Aug 1, 2026
Electrical System problems in other Legacy years
| Year | Reports | Share |
|---|---|---|
| 2022 Legacy | 3 | 9% |
| 2021 Legacy | 5 | 16% |
| 2020 Legacy | 15 | 12% |
| 2018 Legacy | 40 | 34% |
| 2017 Legacy | 30 | 25% |
| 2016 Legacy | 51 | 35% |
| 2015 Legacy | 37 | 23% |
| 2014 Legacy | 11 | 21% |
| 2013 Legacy | 6 | 9% |
| 2012 Legacy | 4 | 4% |
| 2011 Legacy | 19 | 11% |
| 2010 Legacy | 12 | 8% |
Other reported problem areas on the 2019 Subaru Legacy
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.