Recall 21V727000: Engine
Official campaign-level recall information with affected vehicle links and a VIN-first buyer check.
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 2017 Tucson and Sonata Hybrid vehicles. The connecting rod bearings inside the engine may wear prematurely, which can result in engine damage.
Safety risk
A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.
Recall remedy
Dealers will inspect the engine. If bearing damage is found, the engine will be replaced. Dealers will also install a software update containing a new Knock Sensor Detection System (KSDS). Repairs will be performed free of charge. Owners were notified of the defect on November 16, 2021. Owner notification letters were mailed January 15, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 209.
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 21V727000?
Hyundai Motor America (Hyundai) is recalling certain 2017 Tucson and Sonata Hybrid vehicles. The connecting rod bearings inside the engine may wear prematurely, which can 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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