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ProblemsByVin Index / 2021-SUBARU-LEGACY / COMPLAINTS
Full complaint record · NHTSA

2021 Subaru Legacy owner complaints

31 complaints filed with NHTSA on this vehicle . Showing the 300 most recent — grouped by category for scanning.

other 4 complaints shown

12/28/2024 ODI #11632889.0

Dear NHTSA Team, I am writing to report a recurring and distressing issue with my Subaru Legacy 2021 which I believe raises significant safety concerns. Since purchasing the vehicle, I have experienced consistent problems with the battery. Despite replacing the battery five times, the vehicle has repeatedly stopped functioning, including a recent incident where it stalled in the middle of the road. This required me to call law enforcement and a towing service, adding considerable mental and financial stress. These unexpected breakdowns are not only inconvenient but also pose serious safety risks to myself and others on the road. I am concerned that this issue may not be isolated and could affect other Subaru owners as well. I kindly request your assistance in investigating this matter

11/18/2021 ODI #11440874.0

Info screen froze and didn't come back of for 5 minutes while driving

07/29/2024 ODI #11605046.0

Without any reason a random issue came up. Special feature components lit up on dashboard. Everything but “check engine lit up and the car features were disabled. Disabled items were eye sight, lane assist, ABD, electrical parking brake, hill assist, vehicle dynamics control. With all these lights on my power steering was also disabled. Took to dealer a year ago and all they did was “updated computer system. 3 months later the t started happening again but only intermittently but for past 3 days it’s been constant

06/22/2022 ODI #11470429.0

spontaneous windshield crack. parked the car at night and there was nothing wrong with the windshield. Next day i go to drive and there is a seven inch crack starting mid way up the screen on the passenger side. There is no sign of an impact and the crack is very wide. I can get a finger nail inside the crack.

visibility 4 complaints shown

6 total in this category · moderate · avg repair $350 · see visibility cluster analysis →
12/10/2021 ODI #11443359.0

The component that failed is the windshield. The windshield has a 14 inch stress crack. The crack suddenly appeared, there was no impact. The crack interferes with the Subaru Eyesight Driver Assistance. The Subaru Eyesight Driver Assistance could malfunction while driving. The integrity of the windshield has been compromised. I brought the car to the Subaru dealership and they said it was not covered under warranty even though the car only has 6,000 miles on it. The Subaru dealership said they took pictures of the windshield and submitted them to Subaru of America. Subaru of America will not replace the windshield. According to Subaru when the windshield is replaced the Eyesight Driver Assistance must be recalibrated adding an additional expense.

10/07/2021 ODI #11435842.0

Windshield spontaneously cracked while using defrost function on 9/9/2021. Crack started from bottom center of windshield, at the ceramic defrost line, below rubber seal. Crack approximately 6 inches long. Called Subaru within minutes and directed to take to dealership to have photo taken and submitted to Subaru for warranty work. Visited dealership and photos taken on 9/13/2021. Have been told by dealership multiple times still waiting on Subaru to approve the warranty work. Since then the crack has continued to spread and now goes up approximately 2/3rd of the windshield bottom towards top.

07/15/2022 ODI #11474196.0

Three times within a 1 year period, the windshield cracked without an object hitting it. First time in July, 2021, second time in September, 2021, and third time in June, 2022. After the first time, I had the windshield replaced at my own expense. The second time, Subaru completed the replacement at no cost. The third time, Subaru completed the replacement but refused to pay for it, claiming that an object likely hit the windshield. However, the crack occurred overnight while the car was in my driveway. I believe the windshield is obviously defective and I should be remunerated for at least the last replacement and any future such replacements.

06/10/2021 1,100 mi ODI #11420446.0

The contact owns 2021 Subaru Legacy. The contact stated while entering the vehicle, she noticed a crack on the passenger’s side of the front windshield that expanded to the center of the windshield. The contact was unsure what caused the crack in the windshield. The contact reached out to the local dealer and was informed that the vehicle would not be repaired unless the contact paid for the glass warranty. The vehicle was not inspected nor diagnosed. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 1,100.

electrical 4 complaints shown

4 total in this category · moderate · avg repair $850 · see electrical cluster analysis →
11/03/2024 ODI #11623360.0

ODS sensor recall still not fixed/remedy available, used heat for first time since i purchased the car, minor cracks in the windshield, car radio/monitors randomly go black, reverse camera won’t work, restarts on there own after a while

10/01/2021 ODI #11435081.0

Battery died completely, left me stranded at a gas station. I had to call and get a jump. I've had the car 9 weeks, it only has 690 miles on it. No warning lights prior, did notice a slightly longer crank a couple days prior. I was told by the dealer that I don't drive enough, and I should keep my key at least 30 feet away when the keys are in the house, because that can silently drain the battery. I had not left any lights on or had done anything to drain the battery prior to this occurring. I drove to the gas station with no problem, upon restarting after getting gas, no power, car was dead. I couldn't even move the shifter knob into neutral.

09/12/2021 ODI #11432643.0

There seems to be an issue with the infotainment system. The system will randomly turn off which also turns off the safety features. I would like to associate this while CarPlay is in use, but I have witnessed it happen without CarPlay. Subaru has already replaced the head unit under warranty, but the problem continues. For the cost of the car, this should not be an issue.

06/17/2024 ODI #11594923.0

recall not fixed yet, what happens if a car hits me & the passenger airbags don’t work? unsafe, doesn’t seem like it’s being fixed in a timely manner

airbags 3 complaints shown

4 total in this category · moderate · avg repair $1,100 · see airbags cluster analysis →
11/29/2024 ODI #11627940.0

A Recall was issued Mar 22, 2024 for a dangerous safety issue. AN AIR BAG That Does NOT Deploy During A Crash CAN Increase THE Risk OF Injury. Remedy Dealers Will Replace THE ODS Sensors ON THE Front Passenger Seat, Free OF Charge. Interim Letters Informing Owners OF THE Safety Risk Were Mailed MAY 17, 2024. Owners Will Receive A Second Letter Once THE Remedy IS Available. Owners MAY Contact Subaru Customer Service AT 1-844-373-6614. Subaru's Number FOR This Recall IS Wra-24. NHTSA issued their Recall for this problem. NHTSA Recall Number24V227000 Recall Status Recall Incomplete, remedy not yet available Now 8 months later Subaru drivers are still forced to drive around with this dangerous defect. This is totally unacceptable, irresponsible and local Subaru dealers have received no par

11/12/2024 ODI #11624870.0

Subaru has failed to remedy recall on airbags.

06/11/2024 ODI #11593648.0

The contact owns a 2021 Subaru Legacy. The contact received notification of NHTSA Campaign Number: 24V227000 (Air Bags); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

powertrain 2 complaints shown

11/21/2025 ODI #11700919.0

Car intermittently will studder and not go into first gear or go into second gear dangerously having car bog down and almost stall and then it violently downshifts having car RMP Hague go very high then slip and have no power to wheels and then a few seconds later go into second gear violently taking off again. Have tried taking issue to dealer but won’t even look unless check engine light comes on. Which it sometimes will for this issue and will shut back off before my short drive to dealership. Very frustrated especially being my first new car paying monthly to have this problem

07/21/2025 ODI #11674975.0

CVT Transmission Failure. Failure occurred at approximately 66,706 miles on 5/16/25. The Check Engine and AT Temp lights appeared in the instrument cluster. The driving conditions when this happened were a safety concern. First, the vehicle would crawl, shutter, and almost stall with high RPMs when attempting to climb a hill. Second, on a level surface at any given time the vehicle would not respond then lunge forward unexpectedly. The vehicle was inspected by a Subaru Dealership and the diagnosis was "Internal failure of transmission". The transmission needs to be replaced. The same driving conditions and error codes were experienced by an AAMCO Transmission repair facility. The diagnosis was codes P0843 and P0867 present prompting the transmission to be replaced. This repair wa

engine 2 complaints shown

3 total in this category · moderate · avg repair $3,100 · see engine cluster analysis →
10/27/2025 60,000 mi ODI #11695854.0

The contact owns a 2021 Subaru Legacy. The contact stated that while driving at various speeds during colder weather, the heater failed to operate as intended. Additionally, the Eyesight system was inoperable. The check engine and other unknown warning lights were displayed. In addition, the contact stated that the engine failed to warm up as intended after being started, and the engine temperature was 107°F, which was below the normal engine temperature of 200°F. The vehicle was taken to a local dealer, where it was diagnosed, and determined that the Thermal Control Valve needed to be replaced. The contact related the failure to Technical Service Bulletin: 09-119-24; however, the vehicle was not repaired because the vehicle had a Salvaged Title. The manufacturer was made aware of the fail

07/07/2025 ODI #11671806.0

Subaru has released a service bulletin regarding concerns with the Thermo Control Valve in specific vehicles. Unfortunately, individuals with vehicles bearing a rebuilt title, including myself, are required to cover expenses exceeding $2,000 out of their own pockets. Despite evidence indicating that the issue with the engine area is unrelated to the vehicle's rebuilt title, Subaru has chosen not to initiate a recall. This unequal treatment of titled vehicle owners is unjust, especially considering that these vehicles have passed all necessary local inspections and regulations to be deemed roadworthy. All vehicles falling within the designated mileage and age parameters should qualify for assistance. It is my belief that a recall must be issued, as this is a mechanical flaw present since th

Showing 300 of 31 total complaints. The full federal record is available at nhtsa.gov/vehicle/2021/Subaru/Legacy#complaints.
Source: National Highway Traffic Safety Administration (NHTSA) owner complaint database. Last synced 2026-06-14. Complaints are owner-submitted and unverified — the existence of a complaint is not proof of a defect, but a pattern of complaints around the same component is a signal worth weighing. Verify any specific filing at nhtsa.gov.
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