NHTSA campaign 21V727000 · Hyundai campaign 209
Hyundai Recall 21V-727: Engine Damage May Cause Stall or Fire
- Recall influenced by NHTSA's Office of Defects Investigation
NHTSA recall 21V727000 (Hyundai campaign 209) was reported by Hyundai Motor America on September 17, 2021, with 95,515 vehicles potentially affected (per NHTSA). NHTSA's record lists the Hyundai Sonata Hybrid and Hyundai Tucson for the 2017 model year. Owners were notified on January 15, 2022, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V727000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Hyundai VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V727000 (also written 21V-727 or 21V727)
- Filed by
- Hyundai Motor America
- Hyundai campaign number
- 209
- Report received
- Potentially affected
- 95,515 vehicles (per NHTSA)
- Component
- Engine
- Owners notified
Repair completion: 93.59% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V727000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Hyundai
All Hyundai recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 21V727000.
Defect description
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 consequence
A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.
Manufacturer 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.
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.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V727000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.