2015 Subaru Legacy electrical system problems
37 owner complaints filed with NHTSA name the electrical system on the 2015 Subaru Legacy — 23% of all complaints for this model year.
What owners report
“I have had several battery issues that I just believed to be bad luck and would get a new battery under warranty but it has gotten worse lately. It led me to look online and I notice I am not nearly the only one as this complaint has been brought up my numerous people. It is in regards to my 2015…”
filed Apr 9, 2024
“We have owned two 2015 Subaru Legacy sedans. Both of them have had major battery problems. We've had to have battery tenders (trickle-chargers) installed on both cars, and we're still having battery problems. We've been stuck in various parking lots, unable to start the car, and had to get jumps…”
filed Nov 9, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This 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 Legacy years
| Year | Reports | Share |
|---|---|---|
| 2022 Legacy | 3 | 9% |
| 2021 Legacy | 5 | 16% |
| 2020 Legacy | 15 | 12% |
| 2019 Legacy | 35 | 28% |
| 2018 Legacy | 40 | 34% |
| 2017 Legacy | 29 | 25% |
| 2016 Legacy | 51 | 35% |
| 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 2015 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.