The 2023 Hyundai Sonata has 2 NHTSA recall campaigns affecting an estimated 137,152 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 136 complaints with NHTSA, most often about the fuel/propulsion system. Last updated July 5, 2026.
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.
Consequence
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…
POWER TRAIN23V5260002023-07-2752,109 affected
Defect
Hyundai Motor America (Hyundai) is recalling certain 2023-2024 Palisade Tucson, 2023 Sonata, Elantra, and Kona vehicles. The electronic controller for the Idle Stop & Go oil pump assembly may contain damaged electrical components that can cause the pump controller to overheat.
Consequence
An electric oil pump assembly that overheats increases the risk of a vehicle fire.
Remedy
Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will inspect and replace the electric oil pump controller, as necessary, free of charge. Owner notification letters were mailed starting September 7, 2023. Owners may contact Hyundai customer service at…
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“The contact owns a 2023 hyundai sonata. The contact stated that while driving at an undisclosed speed, the transmission shifted into neutral(n) and failed to shift into park or drive on three occasions. The vehicle was restarted. After restarting the vehicle, the vehicle was shifted into drive,…”
“Was driving and stopped at a stoplight. When I went to drive it started sputtering and if I wouldn’t have driven into a gas station, it would’ve given out in the middle of the road. It wouldn’t let me switch to drive or reverse , only neutral or park. It threw a code p0301, cylinder 1…”
“The contact owns aâ 2023 hyundai sonata. The contact stated that while his wife was driving at an undisclosed speed, the message "engine overheated" displayed. The contact checked the hyundai app, but it showed no failure. The contact's wife drove to their son's residence, who inspected and…”
“See attached document for complaint.”
“This is an extremely common issue plaguing hyundai & kia vehicles with the theta iii 2.5l turbo engine, such as kia k5 gt, hyundai sante fe, hyundai santa cruz, & hyundai sonata n-line. Its a failing itm (integrated thermal management) unit or otherwise known as an itms unit. There is a rod within…”
“This is an extremely common issue plaguing hyundai & kia vehicles with the theta iii 2.5l turbo engine, such as kia k5 gt, hyundai sante fe, hyundai santa cruz, & hyundai sonata n-line. Its a failing itm (integrated thermal management) unit or otherwise known as an itms unit. There is a rod within…”
“Car was parked, full stop, doors shut, seatbelt on. Foot on brake. Car then seemed to lurch forward by itself forward hitting parking cement block. Put in reverse to back away and car stayed still...then I tapped the gas again to back up and insted vehicle plowed forward.instead.of reverse ...went…”
“Car was parked, full stop, doors shut, seatbelt on. Foot on brake. Car then seemed to lurch forward by itself forward hitting parking cement block. Put in reverse to back away and car stayed still...then I tapped the gas again to back up and insted vehicle plowed forward.instead.of reverse ...went…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2023 Hyundai Sonata as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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