2017–2018 Kia Optima Hybrid, 2017–2018 Kia Optima PHEV Recall: Connecting rod bearings inside the engine may wear prematurely, which can…
NHTSA campaign 21V844000 · Engine · filed Oct 29, 2021 · verified Jul 30, 2026
The 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.
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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Kia | Optima Hybrid | 2017, 2018 |
| Kia | Optima PHEV | 2017, 2018 |
Related recalls
More Kia Optima Hybrid recalls
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- 2016–2018 Kia Optima and 3 other models — Trunk latch base may crack, preventing the opening of the…
- 2012–2015 Kia Forte and 5 other models — An engine compartment fire can occur while driving
- 2010–2013 Kia Forte and 4 other models — In the event of a crash, the air bag control unit (ACU) may…
Other campaigns involving Kia vehicles
Source: NHTSA recall database, campaign 21V844000 (manufacturer number SC218). Data last verified Jul 30, 2026.