Also recalled in Canada2017–2018 KIA OPTIMANHTSA Campaign #21V844000
The official notice
Defect
Kia Motors America (Kia) is recalling certain 2017-2018 Optima Hybrid and Optima Plug-In 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.
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 Knock Sensor Detection System (KSDS). Repairs will be performed free of charge. Owner notification letters were mailed November 29, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC218.
10,731 vehicles affectedMfr ref: SC218Updated June 10, 2026