The problem
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.
The risk
A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.
The fix
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.
Recall details
| NHTSA campaign | 21V-727 (21V727000) |
|---|---|
| Manufacturer number | 209 |
| Manufacturer | Hyundai Motor America |
| Component | Engine |
| Report date | September 17, 2021 |
| Owners notified | January 15, 2022 |
| Vehicles affected | 95,515 |
| Initiated by | NHTSA investigation |
Vehicles covered
Owner complaints about the engine & cooling
Frequently asked questions
Is the recall 21V-727 repair free?
Yes. Hyundai dealers will fix the problem at no cost: 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.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 95,515 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.