Recall campaign

Recall 21V301000: Engine

Official campaign-level recall information with affected vehicle links and a VIN-first buyer check.

NHTSA recall 21V301000 data summary graphic
21V301000campaign
2affected model pages
28/04/2021recall date

Reviewed June 2026 from NHTSA recall campaign records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Recall 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.

Safety risk

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.

Recall 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.

What to compare next

After checking this safety campaign, compare the same vehicle against manufacturer service bulletins, model-level owner complaint patterns and the used-car recall checklist.

Frequently asked questions

What is recall campaign 21V301000?

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.

How do I know if this recall applies to my car?

Use the exact 17-character VIN. A campaign can affect only certain production ranges, trims or equipment configurations.

Are recall repairs free?

Safety recall remedies are generally performed by franchised dealers at no charge when the exact VIN is affected and the remedy is available.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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