2021 Hyundai Kona recalls & complaints
Source: NHTSA, updated daily. Last checked 2026-10-19. Recalls apply to specific VINs — run your VIN to confirm.
1 safety recall, most serious first
1. Engine
What's wrong, in plain English: Engine problems range from stalling to fire. 0L Nu MPI engines. The piston oil rings may not have been properly heat-treated, which could result in engine damage.
What could happen: A damaged engine may stall, increasing the risk of a crash. In addition, oil may leak onto hot exhaust components, increasing the risk of a fire.
The fix: Dealers will inspect and, if necessary, replace the engine, free of charge. In addition, Hyundai will deploy Piston Ring Noise Sensing System (PNSS) software. Owner notification letters were mailed August 24, 2021. Owners may contact Hyundai customer service at 1-855-371-9460.
What to do
- Check whether your car is affected: enter your 17-digit VIN at nhtsa.gov/recalls. A recall covers specific VINs, not every 2021 KONA.
- Book a repair at any authorized Hyundai dealer. Quote NHTSA campaign 21V301000.
- The repair is free. By US law, safety recall repairs cost the owner nothing, no matter the car's age or mileage.
- Manufacturer hotline: 1-855-371-9460.
- Buying this car used? Ask the seller for proof the recall was completed, or run the VIN yourself before paying.
Official wording from NHTSA
Component: ENGINE
Summary: Hyundai Motor America (Hyundai) is recalling certain 2019-2020 Elantra, 2019-2021 Kona and Veloster vehicles equipped with 2.0L Nu MPI engines. The piston oil rings may not have been properly heat-treated, which could result in engine damage.
Consequence: A damaged engine may stall, increasing the risk of a crash. In addition, oil may leak onto hot exhaust components, increasing the risk of a fire.
Remedy: Dealers will inspect and, if necessary, replace the engine, free of charge. In addition, Hyundai will deploy Piston Ring Noise Sensing System (PNSS) software. Owner notification letters were mailed August 24, 2021. Owners may contact Hyundai customer service at 1-855-371-9460.
Notes: 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.safercar.gov.
Useful for owners
- OBD2 code reader — see what the car's computer is reporting
- Compact car fire extinguisher
- 2021 Hyundai Kona owner's manual
Owner complaints filed with NHTSA
Most complained-about parts: Engine (82), Unknown Or Other (19), Transmission / drivetrain (14), Electrical system (11), Forward Collision Avoidance (5).
Complaints are unverified reports from owners. A pattern (many complaints about the same part) matters more than any single one.
Read recent complaints (8)
10/13/2026 · Unknown Or Other
My 2021 Kona has undergone five separate oil consumption checks. The engine is depleting oil at an abnormal rate, creating a clear risk of sudden catastrophic engine failure and highway stalling. Dealership service personnel have repeatedly dismissed consumption data despite documented top-offs between 500 and 1,000 miles. Furthermore, this vehicle has alre…
10/05/2026 · Engine
All 4 fuel injectors failed. They were replaced but the check engine light came back on. Crank shaft sensor was then replaced and now the check engine light is back on. Driving the car waiting for something to fail is not safe
10/02/2026 · Engine
My exact engine was as in a recall but not my car which failed prematurely at 84,000. I have taken extensive maintenance in the car in the for the past 2 years. Hyundai made me pay to tow my car to a dealership denied me for a goodwill replacement with the same exact problems as the same exact recalled engine and stuck me with the bill.
09/30/2026 · Engine
My 2021 Kona Limited 1.6L Turbo is consuming oil so rapidly that the Low Oil Pressure light has activated on the highway, creating a sudden risk of stalling and engine failure, that the dealership and Hyundai are declining service. According to research, when your oil pressure light flashes, your engine is moments away from locking up. If that happens at 6…
09/11/2026 · Engine
"The vehicle suffered sudden internal engine failure while in operation due to catastrophic oil starvation, presenting a severe risk of engine stalling and loss of propulsion on the road. Active diagnostic codes are P0014, P0017, and P0303. An independent mechanic confirmed the engine was found 3 quarts low on oil with absolutely no external leaks or poolin…
08/21/2026 · Engine
At approximately 100,500 miles, the 2.0L Nu engine experienced a sudden, catastrophic internal failure while operating, causing a loss of power and stalling. Failed Component & Availability: The engine block assembly failed internally due to severe low compression (95 psi) across multiple cylinders and intake valve leakage. The original failed engine compo…
08/18/2026 · Engine
2021 Hyundai Kona, VIN [XXX], 45,575 miles. Engine unexpectedly stalled while driving on 45 mph road and stopped at a light. Oil-pressure warning appeared when the engine stalled. Upon checking afterward, the oil level was below the measurable dipstick range with only droplets visible. Approximately 3.5 quarts were added. Vehicle restarted and was driven ho…
07/22/2026 · Electrical system
The contact owns a 2021 Hyundai Kona. The contact stated that while driving at an undisclosed speed, the horn button was depressed but was inoperable. The dealer was contacted and notified of the failure. The contact was informed that the horn needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure…