NHTSA campaign 21V727000
Hazard
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.
Consequence
A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.
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.
The text above is quoted verbatim from the NHTSA record. Confirm the affected units and the remedy with the manufacturer or NHTSA. Recall data may be incomplete, delayed, or superseded.