2015 Subaru Impreza electrical system problems
20 owner complaints filed with NHTSA name the electrical system on the 2015 Subaru Impreza — 26% of all complaints for this model year.
What owners report
“Battery Drain when plugging into the USB port: This is second battery that had to be replaced since purchase of the vehicle.”
filed May 1, 2023
“I purchased a Subaru for reliability and safety reasons. This car has placed my family in some dangerous situations. Every time the outside temp is 90+ degrees F and it is driven on a road trip of 200+ miles, the car's acceleration shuts off. There is never any warning or check engine/trans lights…”
filed Aug 3, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This 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, 2026This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability. (This is an revised version of the orignal bulletin.)
16-156-25R · Service Bulletin/Repair Instructions · issued Jun 2, 2026
Electrical System problems in other Impreza years
| Year | Reports | Share |
|---|---|---|
| 2024 Impreza | 3 | 10% |
| 2020 Impreza | 4 | 5% |
| 2019 Impreza | 19 | 10% |
| 2018 Impreza | 12 | 8% |
| 2017 Impreza | 21 | 17% |
| 2016 Impreza | 14 | 19% |
| 2014 Impreza | 17 | 16% |
| 2013 Impreza | 33 | 13% |
| 2012 Impreza | 30 | 12% |
| 2011 Impreza | 9 | 16% |
| 2010 Impreza | 5 | 11% |
| 2009 Impreza | 8 | 8% |
Other reported problem areas on the 2015 Subaru Impreza
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.