2015 Kia Optima Brakes Problems
The 2015 Kia Optima has 98 brake complaints filed with NHTSA, about 10% of its 1,008 total complaints for the year, with a median failure mileage of 86,300 miles. Three brake-related recalls (20V519000, 21V331000, 23V652000) cover HECU brake fluid leaks that can cause electrical shorts or fires.
- Brakes complaints
- 98
- 10% of 1,008
- Crashes reported
- 6
- Fires reported
- 13
- Injuries reported
- 5
- Median mileage
- 86,300 mi
- Related recalls
- 3
Typical brake symptoms owners report
- Brake fluid leaks inside the Hydraulic Electronic Control Unit (HECU), sometimes leading to smoke or fire under the hood while parked or driving.
- Owners report needing to pump the brakes repeatedly to get the vehicle to stop, especially on wet roads.
- Sudden brake lockup or loss of stopping power while driving, in some cases resulting in a crash into a curb or fixed object.
- Electronic stability or slip control activating unexpectedly during braking, cutting throttle and reducing steering control.
- Several owners say they received recall notices for HECU-related brake campaigns but could not get the repair completed because replacement parts were unavailable.
When 2015 Kia Optima brake complaints were filed
First complaint Jun 19, 2015, latest Jul 14, 2026.
Brakes recalls for the 2015 Kia Optima
- NHTSA 23V652000Sep 25, 2023Brakes1,730,192 vehiclesPark Outside
Service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module
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.
Risk: An engine compartment fire while parked or driving can increase the risk of injury.
Remedy: 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.
- NHTSA 21V331000May 10, 2021Brakes440,370 vehiclesPark Outside
Service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module
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.
Risk: An electrical short in the HECU increases the risk of a fire while parked or driving.
Remedy: 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.
- NHTSA 20V519000Aug 27, 2020Brakes440,370 vehiclesPark Outside
Service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module
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.
Risk: If the HECU short circuits, there is an increased risk of an engine compartment fire.
Remedy: 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.
Brakes complaints by Optima model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- Are there brake recalls for the 2015 Kia Optima?
- Yes. NHTSA lists three brake-related recalls covering the 2015 Optima: 20V519000, 21V331000, and 23V652000, all tied to brake fluid leaking inside the Hydraulic Electronic Control Unit (HECU), which can cause an electrical short.
- How common are brake complaints on the 2015 Kia Optima?
- NHTSA has 98 brake complaints for the 2015 Optima, which is about 10% of the 1,008 total complaints filed for that model year.
- At what mileage do brake problems typically show up?
- The median mileage at failure for brake complaints on the 2015 Optima is 86,300 miles, according to NHTSA data.
- Have brake problems on the 2015 Optima caused crashes or fires?
- NHTSA data tied to brake complaints for the 2015 Optima shows 6 crashes, 13 fires, and 5 injuries reported.
- Is the recall repair for the HECU brake issue available now?
- Some owners who filed complaints between 2022 and 2024 said replacement parts for the recall repair were not yet available at the time they were notified, according to NHTSA complaint records.