Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2017 Subaru Outback owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2017 Subaru Outback. The contact stated while driving at an undisclosed speed, the Auto Cruise Control feature failed to function properly. The contact stated that the Auto Cruise Control feature only operated as needed 35% of the time. Additionally, the contact stated that the Lane Keep Assist message was displayed while attempting to use the Cruise Control feature. There was no warning light illuminated. The was taken to the dealer however, the vehicle was not diagnosed. The contact stated that a software update was completed; however, the failure persisted. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 74,000.
The contact owns a 2017 Subaru Outback. The contact stated that the vehicle would not start. The contact stated that the battery in the vehicle had been replaced three times. The contact stated that two batteries were replaced in one week and the last battery was replaced a week ago. The contact stated no warning light was illuminated. The vehicle was not taken to a local dealer however, the contact had spoken to a local dealer who suggested that the battery be replaced. The battery was replaced however, the failure persisted. The manufacturer was not informed of the failure. The failure mileage was approximately 90,000.
The contact owns a 2017 Subaru Outback. The contact stated that the battery drained without warning. Additionally, the liftgate would inadvertently open. The vehicle was taken to the local dealer where it was diagnosed and determined that a battery replacement was needed. An electronic update was completed. The battery had been replaced three times. The manufacturer was contacted but no further assistance was provided. The approximate failure mileage was 35,000.
The contact owns a 2017 Subaru Outback. The contact stated while attempting to start the vehicle, the vehicle failed to start. The contact was able to jump start the vehicle. The vehicle was taken to the dealer and the battery was replaced; however, the failure recurred several times. The manufacturer was contacted and stated that the contact would be notified of what the manufacturer was responsible to cover. The failure mileage was 70,000.
The contact owns a 2017 Subaru Outback. The contact stated that while attempting to start the vehicle, the vehicle failed to start. The vehicle was jump started. The contact had the battery replaced; however, the failure persisted. The vehicle was taken to the dealer to be diagnosed; however, the mechanic found not fault with the vehicle. The manufacturer was not contacted. The failure mileage was 40,000.
Vehicle battery needed to be charged over 27 times because it is stone dead. Was told over a year ago vehicle needed a DCM module but there were non a viable..As of 9/5/2023 this module is still unavailable vehicle has only 8,800 miles. Cannot drive vehicle anywhere and be assured it will start and get you back home.Dealership have replaced battery 3 times. This vehicle needs to be recalled.
The contact owns a 2017 Subaru Outback. The contact stated that while attempting to start the vehicle, the vehicle would not start. The contact had the vehicle jump started. The contact replaced the battery, but the failure persisted. The vehicle was not diagnosed. The manufacturer was contacted and stated that there was no recall on the VIN for the failure. The failure mileage was 25,000.
This has been a constant problem with this car. The battery is dead within 3 days. Has a constant battery drain. Subaru service can't find it. Big safety problem in cold weather. Car leaves wife stranded. The problem is clearly evident on the web blogs.
was at a stop in the middle lane going to turn left, got hit straight head on by a driver driving in the middle lane. his air bags deployed, none of mine deployed. the front end and drivers side of the subaru was impacted
I am the original owner of a 2017 Subaru Outback Limited. There is an undiagnosed drain on the electrical system that causes the car not to start. The first time I replaced the battery, but two months later the car wouldn't start after being left in the garage over the weekend. I had to call AAA to jump the car. The Subaru dealership couldn't find any issues with the electrical system or the battery. A month later, I drove it to work and the car wouldn't start when I got in it to go home and had to be jumped to start. About three weeks later we made a six-hour road trip, parked the car at the hotel and not only would it not start in the morning, it was so dead that the back hatch wouldn't open so I could get the jumper cables out of the spare tire compartment. Fortunately a good samaritan in the parking lot had cables and jump started the car. …
Electrical complaints in other Outback years
Frequently asked questions
How common are electrical problems on the 2017 Subaru Outback?
NHTSA has 392 complaints about the electrical system of the 2017 Subaru Outback, 43% of the model year's 919 complaints. The component named most often is 12v/24v/48v battery (6 mentions).
Is there a recall for 2017 Subaru Outback electrical problems?
No. NHTSA lists no electrical system recall for the 2017 Subaru Outback, though it has 4 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2017 Subaru Outback electrical problems start?
Half of the complaints with a recorded mileage happened before about 32,000 miles, and 39% before 25,000 miles.
Is it dangerous?
Owners linked 5 crashes, 1 fire and 4 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.