2015 Kia Optima Service and Repair Manual
Kia sold the 2015 Optima with three distinct powertrains — a factory turbo, a naturally aspirated four and a full hybrid — and the specifications diverge sharply between them, which is exactly why a close-enough manual is not good enough here. This factory service and repair manual is matched to the year, engine and trim of your car, so the figures and sequences you work from are the ones Kia published for the 2015 Optima.
Engines covered
- 2.0L inline-four (122 cu in) — DOHC, turbocharged, gasoline
- 2.4L inline-four — DOHC, naturally aspirated, gasoline
- 2.4L inline-four full hybrid — DOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- EX
- EX Luxury
- Hybrid EX
- Hybrid LX
- Limited
- LX
- SX
- SX Turbo
- SXL Turbo
Known issues on the 2015 Optima. Four recalls are on federal record for this model year, and three of them fall under the antilock brake and traction control component. In one, brake fluid may leak inside the Hydraulic Electronic Control Unit, and if the HECU short circuits there is an increased risk of an engine compartment fire. A follow-up campaign returned to vehicles already recalled under that action, because an electrical short in the HECU increases the risk of a fire while parked or driving. A third campaign filed against the same antilock brake and traction control component warns that an engine compartment fire while parked or driving can increase the risk of injury. The remaining recall covers the gasoline fuel delivery hoses, lines and fittings on Optimas that previously received an engine replacement under recall number 17V-224, where a fuel leak in the presence of an ignition source can increase the risk of a fire. Owners have filed 1,379 complaints for the year, and 150 technical service bulletins have been issued against it.
From tracing an electrical fault in the antilock brake unit to inspecting fuel lines after an engine replacement, or routine service on the turbo, the naturally aspirated 2.4L or the hybrid, it keeps you on the factory procedure and the correct specification for your 2015 Optima.
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.
A fuel leak in the presence of an ignition source can increase the risk of a fire.
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.
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.
If the HECU short circuits, there is an increased risk of an engine compartment fire.
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.
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.
An electrical short in the HECU increases the risk of a fire while parked or driving.
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.
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.
An engine compartment fire while parked or driving can increase the risk of injury.
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.
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are ind
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are ind
CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION (CS2312) - This document is the owner notification advising that Kia is conducting Customer Satisfaction Campaign. A software upgrade that addresses the social media theft method has been m
TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR AND DECAL INSTALLATION (CS2312) - This bulletin provides information to install a Theft Deterrent Ignition Cylinder Protector on certain 2010-202
PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking
TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provid
TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. Th
TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. Th
Showing the 8 most recent of 200 technical service bulletins on file with NHTSA.
I WAS DRIVING ON THE FREEWAY AND ALL OF A SUDDEN THE CHECK ENGINE AND ALL LIGHTS CAME ON. I COULD NOT ACCELERATE OR STOP THE VEHICLE THE BRAKES DID NOT WORK I COASTED OFF TO THE SIDE OF THE FREEWAY AND HIT THE GUARD RAIL BECAUSE I HAD NO BREAKS. THEN I HAD A TOW TRUCK COME AND PULL ME OFF THE FREEWAY TO SEE IF I COULD START MY VEHICLE HOWEVER IT DID NOT START ALL THE LIGHTS WERE ON THE DASH ON AND THE CAR WAS SMOKING AND SMELL LIKE FIRE I HAD THE CAR TOWED TO THE MECHANIC TO FIND OUT WHAT IS WR
DURING COVID 19 PANDEMIC GRIEVIANCE DEPRESION HOMELESSNESS RACISM CRITICISM HATE CYBERBULLY ATTACK I LIVE IN MY 2015 KIA OPTIMA I HAD [XXX] I HAD TBONE ACCIDENT IAM NOT FAULT FOR I HAVE ALL STATE INSURANCE I NEVER GET HELPED COMPENSATED THEY CLOSED MY CLAIMS I HAD MULTPLE CITATIONS 13 IN EL CAJON 4 IN SAN DIEGO 4 3 HOLLYWOOD 1 RIVERSIDE THAT I WASNT AWARE OF AS I WENT TO DMV TO RENEW MY CAR REGISTRATION I WAS BILLED FOR $1522 PAID $2200 FOR RENEWAL THERES PEOPLE WHO CROSSED MY LIFE WHO DAMAGED
TRYING TO AVOID ANOTHER VEHICLE APPROACHING ME IN A HEAD ON COLLISION, MY ENGINE BEGAN TO STALL, BRAKES LOCKED UP WHICH CAUSED SUSPENSION ISSUES OF THE VEHICLE. DUE TO THIS, THE VEHICLE WAS COMPLETELY TOTALED AND GLOBAL LENDING SERVICES IS CONSISTENTLY REPORTING IT AS A REPOSSESSION. BOTH VEHICLES WERE IN MOTION AND IT WAS ON A LA HWY.
I purchased a kia turbo optima from bob's lamphere's beaverton oregon kia dealership 9 days later I felt the acceleration awkwardly bi wanted to return it or exchange but was told no contract was only within 5 days. I took it to kia dealership for diagnostic 3 times I had it for 9 months the last 6 weeks was the 3rd time until Feb 28th It was totaled by a uninsured motorist memes william benton penny lll Or. Driver lic# 1289466 Of 1633 n.e. 76th portland oregon 97213 he was speeding illegally b
THE VEHICLE WAS INVOLVED IN AN FATAL ACCIDENT VEHICLE COLLIDED WITH A STANDING TREE THEN OVERTURN ONTO IT ROOF THE FRONTAL AIRBAGS DRIVER AND PASSENGER NEVER DEPLOYED VERY CONCERNING
TL* THE CONTACT OWNED A 2015 KIA OPTIMA. WHILE ATTEMPTING TO DRIVE THE VEHICLE, IT ACCELERATED WITHOUT WARNING. AS A RESULT, THE CONTACT CRASHED INTO A GUIDE WIRE AND A TREE. THE CONTACT SUSTAINED BRUISES TO THE LEFT ARM AND LOWER BACK THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN INSURANCE COLLISION CENTER. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 38,000. THE VIN WAS NOT AVAILABLE
The contact owned a 2015 Kia Optima. The contact stated that while at a complete stop at the red traffic light, another vehicle, driving off a highway ramp at an undisclosed speed, crashed into the rear-end of the vehicle. An unknown red warning light was flashing. The air bags did not deploy. The seat belts failed to restrain the contact as needed, causing the contact to hit her forehead against the steering wheel, which propelled the contact's head back to the headrest, and then the contact hi
I WAS IN AN ACCIDENT I WAS AT A STOPLIGHT AND I WAS HIT FROM BEHIND 1/3 CAR HIT THE SECOND CAR IN THE SECOND CAR HIT ME STOPPED AT A LIGHT IN THE AIRBAG DID NOT DEPLOY I HAVE A TRAUMATIC BRAIN INJURY FROM IT THE CAR HAS ALREADY BEEN FIXED FROM THE ACCIDENT AND NOW IS AT KIA OF CANTON BECAUSE IT'S THROUGH A RIDE WHICH IS A RECALL BUT FROM THE ACCIDENT I AM NOW UNABLE TO WORK OR DO ANYTHING
The contact owned a 2015 Kia Optima. The contact stated that while driving at approximately 58 MPH, another vehicle crashed into the rear center passenger side of the vehicle. As a result, the vehicle rolled. The air bags failed to deploy. The contact sustained injury to the lower back, head, and neck that required medical attention. A police report was filed. The vehicle was not diagnosed or repaired. The vehicle was towed to a tow lot and deemed a total loss by the insurance company. Neither t
Driving on [XXX] to Eureka, Ca. Just outside of Laytonville, CA. the vehicle in front of me swerved into oncoming traffic lane (no vehicle in his way) to go around rock, then rock was there, I swerved to the right, but hit the rock, went up on embankment, flipped over and slid to a stop. There is an upcoming California Highway Patrol report from Mendocino County, with support witness (PG&E employee) statement given to California Highway Patrol. No airbags deployed throughout the car. Pictur
TL* THE CONTACT OWNS A 2015 KIA OPTIMA. THE CONTACT STATED THAT WHILE TURNING INTO A PARKING LOT, THE VEHICLE SUDDENLY ACCELERATED AND CRASHED INTO A WALL OF THE PARKING LOT. THE CONTACT WAS INJURED HAVING WHIPLASH; THE RIGHT ARM, CHEST AREA, AND RIGHT SHOULDER WERE ALL BRUISED BECAUSE OF THE SEAT BELT. THE CONTACT MENTIONED THAT THE STEERING WHEEL AIR BAG DEPLOYED. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC. THE CONTACT WAS DRIVEN TO THE HOSPITAL, TREATED AND RELEASED. A POLICE REPORT WAS
I WAS TRAVELING EAST ON A 4 LANE ROAD AT 45 MPH. AS I WAS PASSING THRU A GREEN LIGHT, A WESTBOUND VEHICLE MADE AN ILLEGAL LEFT TURN IN FRONT OF ME, CAUSING ME TO "T-BONE" HIS VEHICLE. ALL OF HIS AIRBAGS DEPLOYED.....NONE OF MINE DID. THE CAR WAS REPAIRED, SURPRISINGLY; YET I DO NOT FEEL SAFE DRIVING IT. I SUSTAINED CERVICAL AND LUMBAR SPINE INJURIES, AS WELL AS A SEVERE WHIPLASH AND CONCUSSION. I AM UNABLE TO WORK, DUE TO SURGERY THAT WAS NECESSARY. I JUST NEED TO KNOW IF THIS CAR IS SAFE??
TL* THE CONTACT OWNED A 2015 KIA OPTIMA. THE CONTACT STATED WHILE DRIVING 30 MPH AND SHE HAD RUN A RED LIGHT, SHE T-BONED ANOTHER VEHICLE. THE CONTACT STATED THE AIR BAGS DEPLOYED PARTIALLY. THE CONTACT SUSTAINED 2 BROKEN RIGHT RIBS, LEFT COLLAR BONE WAS SPRAINED, THE RIGHT KNEE AND RIGHT FOOT WAS FRACTURED. THE CONTACT WAS TAKEN TO THE EMERGENCY ROOM TO SEEK MEDICAL ATTENTION. THE CONTACT WAS NOT AWARE IF ANYONE WAS INJURED IN THE OTHER VEHICLE. A POLICE REPORT WAS FILED. THE VEHICLE WAS NOT DR
Kia said they fixed recall on my car and lights are still on and I hydroplane and totaled my car
WHILE DRIVING, BELOW SPEED LIMIT, THE BACK TIRE SLID ON SOME SLUSH. WHEN I TAPPED THE BREAK THE ELECTRONIC SLIP CONTROL KICKED ON, LOCKING THE STEERING WHEEL, CAUSING THE THROTTLE TO CUT OFF WITHOUT SLOWING DOWN OR CHANGING GEARS, AND THE BREAKS INSTANTLY STARTED JUMPING, I AT THIS POINT HAD ABSOLUTELY NO CONTROL OVER THE VEHICLE. THE CAR WENT OFF THE ROAD, HITTING A CEMENT POST, MY HEAD BOUNCED OFF OF THE STEERING WHEEL, CONTINUED TO CRASH FORWARD COMING TO A REST ON TOP OF A ROCK WALL, THAT IS
Showing the 15 most serious of 1007 complaints filed with NHTSA.
