2021 Hyundai Sonata Hybrid Blue recalls and complaints
NHTSA lists 4 recalls for the 2021 Hyundai Sonata Hybrid Blue; the most frequently affected component is fuel system, gasoline. Owners filed 40 complaints, most often about electrical system. Among the 5 model years of this model in the database, 2021 ranks #2 for number of recalls.
Fuel system, gasolineCampaign 25V796000 · 18 Nov 2025
Problem: Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Sonata vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
Risk: A melted fuel tank can leak, increasing the risk of a fire.
Remedy: Dealers will inspect and replace the check valve. The fuel tank assembly will be inspected for damage and replaced if necessary. Additionally, dealers will inspect and update the engine control unit software. All repairs will be performed as necessary, free of charge. Owner notification letters were mailed beginning March 13, 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 286. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on November 19, 2025.
Power train — Automatic transmissionCampaign 22V746000 · 06 Oct 2022
Problem: Hyundai Motor Company (Hyundai) is recalling certain 2021-2022 Santa Fe, Sonata, Veloster N, 2022 Santa Cruz, Elantra N, and Kona N vehicles. The vehicle's "fail-safe" limited-mobility drive mode may be impaired, when prompted by a transmission oil pump malfunction, which can result in a complete loss of drive power.
Risk: Loss of drive power increases the risk of a crash.
Remedy: Dealers will inspect and replace the transmission, as necessary. Dealers will also update the transmission control unit software. All repairs will be performed free of charge. Owner notification letters were mailed January 10, 2023. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 236.
Visibility — WindshieldCampaign 21V00M000 · 28 Dec 2021
Problem: Hyundai Motor America (Hyundai) is recalling certain 2020-2021 Santa Fe, 2021 Sonata, and Elantra vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash.
Risk: A windshield that detaches from a vehicle during a crash can increase the risk of injury.
Remedy: Dealers will remove and reinstall the front windshield panel, free of charge. Owner notification letters were mailed June 20, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 216.
Problem: Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Santa Fe and Sonata vehicles equipped with 2.5L turbocharged engines. Fuel may leak at the pipe connection between the high-pressure fuel pump and fuel rail.
Risk: A fuel leak increases the risk of a fire.
Remedy: Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 207.
What owners complain about
Share of the 40 most recent complaints stored for this model year, by component. Owners can list more than one component.
Electrical system23 · 58%
Engine13 · 32%
Unknown or other6 · 15%
Forward collision avoidance2 · 5%
Fuel/propulsion system2 · 5%
Power train1 · 2%
Structure1 · 2%
Visibility/wiper1 · 2%
When complaints were filed
20232
202422
202510
20266
From owner complaints
Antifreeze is coming out of the exhaust. Heater is only blowing cold air. Repair shop said it is a common problem with the Hyundai hybrids. Was told I had to take it back to the dealership. The y repair shop said this is very common and is wondering why a recall has not been issued by the NTHSB. Dealership has been…
The vehicle has been turning completely off after use for over a year now. At first it would happen every now and then at the beginning and all you'd have to do was restart the car manually. Now every time the car is turned off it needs to be restarted manually now. The car will also shut itself off while you are…
the car randomly goes into dead or limp mode and unable to start. need to jump start it to come alive. No codes shown once its jumstarted. it has happened at random on several occasions.
When the vehicle is turned off the 12v Lithium battery will die. This is a intermittent occurrence that has happened approximately 7 times since [XXX]. Today is December 12, 2024. The car is currently at All Start Hyundai dealership in Pittsburg, CA. This dealership initially denied the car had a problem because they…
Recall and complaint records from the US National Highway Traffic Safety Administration (NHTSA). A recall listed here may not apply to every vehicle of this model year — always check your VIN with NHTSA or a dealer.