Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.
2015 Kia Optima recalls
Service brakes, hydraulic: antilock/traction control/electronic limited slip, control unit/module
NHTSA campaign 23V652000 · reported September 25, 2023 · Kia America, Inc. · 1,730,192 vehicles potentially affected
- The problem
- Kia America, Inc. (Kia) is recalling certain 2010-2019 Borrego, 2014-2016 Cadenza, 2010-2013 Forte, Forte Koup, Sportage, 2015-2018 K900, 2011-2015 Optima, 2011-2013 Optima Hybrid, Soul, 2012-2017 Rio, 2011-2014 Sorento, and 2010-2011 Rondo vehicles. The Hydraulic Electronic Control Unit (HECU) may experience an electrical short, which can result in an engine compartment fire while parked or driving.
- The risk
- An engine compartment fire while parked or driving can increase the risk of injury.
- The fix
- Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the HECU fuse, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed November 14, 2023. Owner notification letters were mailed March 29, 2024 through June 18, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC284.
Service brakes, hydraulic: antilock/traction control/electronic limited slip, control unit/module
NHTSA campaign 21V331000 · reported May 10, 2021 · Kia Motors America · 440,370 vehicles potentially affected
- The problem
- Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles previously recalled under recall 20V-519. Brake fluid may leak inside the Hydraulic Electronic Control Unit (HECU), possibly resulting in an electrical short.
- The risk
- An electrical short in the HECU increases the risk of a fire while parked or driving.
- The fix
- Owners are advised to park outside and away from other vehicles and structures until the recall repair is completed. Dealers will install a new multi-fuse, and inspect the HECU for leaks, replacing the HECU if necessary, free of charge. Owner notification letters were mailed on July 2, 2021. This recall supersedes previous NHTSA recall number 20V-519. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC212.
Service brakes, hydraulic: antilock/traction control/electronic limited slip, control unit/module
NHTSA campaign 20V519000 · reported August 27, 2020 · Kia Motors America · 440,370 vehicles potentially affected
- The problem
- Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles. Brake fluid may leak inside the Hydraulic Electronic Control Unit (HECU), possibly resulting in an electrical short.
- The risk
- If the HECU short circuits, there is an increased risk of an engine compartment fire.
- The fix
- Kia will notify owners, and dealers will inspect the HECU for leaking brake fluid and replace the HECU if necessary, free of charge. Owners are advised to park outside and away from other vehicles and structures until the recall repair is completed. The recall began October 20, 2020. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC197.
Engine · Fuel system, gasoline: delivery, hoses, lines/piping, and fittings
NHTSA campaign 18V907000 · reported December 19, 2018 · Kia Motors America · 71,653 vehicles potentially affected
- The problem
- Kia Motors America (Kia) is recalling certain 2011-2017 Optima, 2012-2017 Sorento and 2011-2018 Sportage vehicles that previously received an engine replacement under recall number 17V-224, warranty, or the Knock Sensor Detection System (KSDS) Product Improvement Campaign. The high pressure fuel pipe that connects to the fuel pump outlet may have been damaged, misaligned or improperly torqued during the engine replacement procedure, possibly causing a fuel leak.
- The risk
- A fuel leak in the presence of an ignition source can increase the risk of a fire.
- The fix
- Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began January 17, 2019. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC172.
What owners report
Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.
Oct 23, 2026 · Engine
There is a known issue with this vehicle and the fix by KIA is not safe nor fair to the consumer. Kia's knock sensor recall centers on the Knock Sensor Detection System (KSDS) software update for Theta II GDI engines. The update listens for rod bearing wear, triggers a check engine light and limp mode via Code P1326…
Sep 29, 2026 · Service brakes, hydraulic · 231,000 miles
The contact owns a 2015 Kia Optima. The contact stated that while pulling into the driveway, the ABS warning light remained illuminated after the vehicle was powered off. The contact stated that the parking brake warning light unexpectedly illuminated while the vehicle was being operated. The contact stated that the…
Sep 20, 2026 · Engine
My energy in my car started messing up with only 150,000 miles it had a long knocking sound and it would not got over 20 miles while driving
Aug 24, 2026 · Engine · fire reported
My 2015 KIA optima experienced a catastrophic engine fire while I was driving. There was no warning, I just heard a boom in the engine bay the breaks stopped working and all electrical cut out. As I'm coasting, because I'm unable to stop, flames started to come in through under the dash. I couldn't turn the car off…
Aug 20, 2026 · Engine and engine cooling · 123,000 miles
The contact owns a 2015 Kia Optima. The contact stated that for over 8 years, the vehicle was experiencing excessive oil consumption. There was no warning light illuminated. The contact became aware that there was an oil leak on the ground underneath the vehicle. The vehicle was taken to the dealer on several…
Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received October 23, 2026.