2015 Subaru Legacy electrical system problems

Related recalls

No recalls on file.

What owners say

1. Filed Apr 9, 2024NYElectrical SystemSeats & Seat Belts

   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 Subaru legacy and how I’m not certain if my car will start if I make a few short trips where I’m “in and out” of the car more than 3 times in a short period of time. There is…

   NHTSA complaint #11582009 · source
2. Filed Nov 9, 2022ORElectrical System

   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 from others. This is a royal pain, and a potential safety hazard if we are stuck in a remote location. We've been told by our mechanic that this vehicle does not really "turn off"…

   NHTSA complaint #11492991 · source
3. Filed Oct 1, 2022TXElectrical System

   Car battery is draining very frequently which is causing the battery to die. Even for short periods of not using the car, the will fail to start due to the drained battery.

   NHTSA complaint #11487413 · source
4. Filed Sep 18, 2022WAElectrical System

   Battery continually dies. Driven daily and even after driving same day battery will be dead. Issue occurs more frequently when headlights are set on auto. Seems battery drains when car is off but still pulling a charge. Have been stranded numerous times since purchasing the car 2 years ago. Have had battery checked and told it is fine.

   NHTSA complaint #11485015 · source
5. Filed Jul 4, 2022MOElectrical System

   The battery has a parasitic drain, and if left off for more than 8 hours, is completely dead on attempt at restart. This has also killed my passenger side forward window which can no longer go up or down.

   NHTSA complaint #11472283 · source
6. Filed Mar 23, 2022NJElectrical SystemEngine

   I just brought this car a few months ago and i have been having alot of problem with it from engine oil low when it not to tpms light coming on and going off to now eletric parking brake locked up now i cant move my car and i work seven days a week and always maintain my cars was getting checked its really weird

   NHTSA complaint #11458082 · source
7. Filed Mar 4, 2022PAElectrical System

   Extremely high, abnormal parasitic draining of my battery, in my 2015 Legacy whenever vehicle is not running. This parasitic drain on battery will leave you stranded, if parked for a few days, causing a safety issue, as you can imagine. I always connect and use a battery tender/maintainer with hood up, after every time I use car, when I return car to garage. If I did not have a garage, I would have to connect to this battery charger/maintainer and close the hood to deter…

   NHTSA complaint #11455212 · source
8. Filed Feb 13, 2022TXDriver Assistance & Safety TechElectrical System

   I am the original owner of the vehicle in question. I have been experiencing excessive electrical drain issues throughout the life of my vehicle. I have had to jump it at least 10 times and have replaced the battery 4 times throughout my 7 years of ownership. This is quite excessive and has caused safety issues in the past as you never know when the battery suddenly no longer has enough power to start the vehicle. My fiancé was recently on a ferry and upon landing the…

   NHTSA complaint #11451733 · source
9. Filed Jan 2, 2022MDElectrical System

   Electrical system drains battery very frequently. I have had alternator checked and is fine. This vehicle drains batteries leaving the car unable to start. The batteries will be dead by the 2 year warranty. I see there is a lawsuit in NJ showing the CAN electrical system does not go to sleep when the car is off.

   NHTSA complaint #11445842 · source
10. Filed Jul 13, 2021NYElectrical SystemOther / Unknown

    When the car sits unused for more than several days, it goes completely dead. I have had both my mechanic and the dealer check the entire charging system ( battery, alternator, engine drive belt etc ) to no avail. Everything tests as working within given parameters and my 2015 vehicle w/ 67,000 miles is currently on it's 4th battery ! The dealer has refused to perform the two Technical Service Bulletin(s) issued by Subaru corporate unless l pay for them, as they claim they…

    NHTSA complaint #11424580 · source
11. Filed Jul 10, 2021VTBrakesElectrical SystemAcceleration & Cruise Control

    I have experienced two separate occasions where my vehicle accelerated even though my foot was on the brake pedal. Once, I was slowing down on a main street for a stop light behind several other cars. My vehicle began to accelerate and would have rammed the car in front of me if I had not been able to swerve into an empty turn lane. Due to the acceleration, I figured I must have accidentally hit the gas pedal, so I lifted my foot and hit the other pedal--which was the…

    NHTSA complaint #11424191 · source
12. Filed Jun 7, 2021WAElectrical SystemOther / Unknown

    CAN ( Controller Area Network) is causing a parasitic draining of my battery causing me to have to jump my car regularly and I changed the battery less than a year ago. I know that I'm not the only person that has had this issue, I'm aware of the current class action lawsuit out against Subaru for this current situation. This is a very costly a serious issue that demands attention now. It's very dishonest of Subaru to tell you that nothing's wrong or offer any fix, all while…

    NHTSA complaint #11419898 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology