2021 Hyundai Sonata recalls and problems

The 2021 Hyundai Sonata has 4 recalls and 135 owner complaints on file with NHTSA; the most reported problem area is engine.

2021 Hyundai Sonata
Photo: 2021 Hyundai Sonata by AIMHO'S REBELLION 8490s, CC BY-SA 4.0, via Wikimedia Commons
How the 2021 compares
Fewest complaintsMost complaints

Low complaint count among 27 Sonata model years — 22nd most.

4recalls
135complaints
7crashes
0fires
13injuries
41,000median miles

Owner complaints filed with NHTSA, not verified and not adjusted for sales. Ranking compares this model's own years only.

Does your car have an open recall?
Recalls apply to specific vehicles. Only a VIN lookup on NHTSA's official site shows whether yours is affected and still unrepaired.
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4 recalls

Fuel System

Nov 17, 2025 · NHTSA campaign 25V796000 · 85,043 vehicles

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

Oct 6, 2022 · NHTSA campaign 22V746000 · 56,148 vehicles

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 & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Visibility

Dec 28, 2021 · NHTSA campaign 21V00M000 · 26,413 vehicles

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 & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Fuel System

Jul 9, 2021 · NHTSA campaign 21V524000 · 15,752 vehicles

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 & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Recall text as published by NHTSA and the manufacturer.

What owners complain about

Owner complaints filed with NHTSA; one complaint can name several areas. Not verified by NHTSA.

Complaints by year filed

2021: 9 complaints20212022: 18 complaints20222023: 22 complaints20232024: 15 complaints20242025: 29 complaints20252026: 42 complaints202642

NHTSA investigations

Loss of Motive Power

DP22003 · opened Sep 12, 2022 · closed Dec 12, 2023
Summary

The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021. The Petitioners cited examples of complaints indicating that the subject vehicles were experiencing rapid loss of engine oil due to oil drain plug back outs, resulting in loss of motive power and/or catastrophic engine damage. Additional complaints were provided which alleged that the oil drain pans lack sufficient structural integrity and are susceptible to cracking. The petition itself can be reviewed at NHTSA.gov under ODI number 11481745. On September 12, 2022, the Office of Defects Investigation (ODI) opened Defect Petition (DP22-003) to evaluate the Petitioners’ request. The Petitioners have provided additional complaints within four supplemental letters dated January 31, 2023, March 21, 2023, May 23, 2023, and August 4, 2023. ODI’s evaluation included the review and analysis of the complaints and supporting information submitted by the Petitioners, as well as additional complaints submitted directly to NHTSA which referenced either the oil drain plug or a crack in the oil pan. After reviewing the available data, ODI has not identified evidence that would support opening a defect investigation into the oil drain pan as…

2021 vs. other Hyundai Sonata years

Owner complaints by model year; the darker bar is the 2021. Click a bar to switch year.

Questions

Does the 2021 Hyundai Sonata have recalls?

Yes — NHTSA lists 4 recall campaigns covering the 2021 Hyundai Sonata, the latest from Nov 17, 2025 (fuel system). A recall applies to specific vehicles: enter your VIN at nhtsa.gov/recalls to see whether yours is affected and still open.

What are the most common problems with the 2021 Hyundai Sonata?

Owner complaints filed with NHTSA most often mention engine (35), fuel system (34), unknown or other (32). Complaints are consumer reports and are not verified by NHTSA.