Sedan, hybrid, built in South Korea. Owner complaints on file from May 28, 2015 to Sep 21, 2026.
Owner complaints about this model year, by the year they were filed with NHTSA.
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 23V-651 | Sep 22, 2023 | Anti-Lock Brake System (ABS) module may leak brake fluid internally and cause an electrical short, which can result in an engine compartment fire…Park outside | Brakes | 1,649,478 | Part replacement |
| 17V-617 | Oct 4, 2017 | Seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners | Seat belts | 443,545 | Repair or modification |
| 17V-152 | Mar 8, 2017 | In the affected vehicles, the seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners | Seat belts | 977,778 | Repair or modification |
| 16V-726 | Oct 11, 2016 | Due to a bonding issue with the sunroof wind deflector, the sunroof panel on the affected vehicles may detach while driving | Visibility and wipers | 62,811 | Repair or modification |
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
53 complaints on file, page 1 of 3.
The contact owns a 2015 Hyundai Sonata. The contact stated that while driving approximately 65 MPH, the vehicle failed to properly accelerate. Later, while attempting to accelerate from a yield sign, the vehicle suddenly stalled. The vehicle was later towed to the local dealer to be diagnosed, and it was determined that the engine bearings had failed and the engine needed to be replaced. The manufacturer was notified of the failure. The failure mileage was 97,000.
NHTSA complaint 11765767The contact's sister-in-law owned a 2015 Hyundai Sonata Hybrid. The contact stated that while the vehicle owner was driving 55 MPH, the owner noticed smoke coming from under the hood. The owner parked and exited the vehicle, and while attempting to inspect the vehicle, the owner noticed flames coming from underneath the hood, and the fire extended to the cabin of the vehicle. The Fire Department extinguished the fire and informed the owner that the fire had gone through the firewall and entered the interior of the vehicle. The front seats of the vehicle were completely burned. The vehicle was towed to a local tow yard and was deemed a total loss. The vehicle was under liability insurance. A Police report was filed. The contact sustained back pain from riding in the police officers vehicle. Additionally, the contact stated that the dealer had repaired the vehicle for ABS failure two weeks prior to the incident. The dealer was notified of the fire incident but informed the contact that an inspection could not reveal the cause of the fire. The manufacturer was contacted by phone, and a case was filed. The failure mileage was approximately 98,000.
NHTSA complaint 11764359The Hybrid system kept crashing ! Triggering the auto theft and would not connect to fob , told it was immobilzer, and/or shortage in EV battery!!!
NHTSA complaint 11754721Component Involved: Hybrid Propulsion System High Voltage Battery / EV Battery Electrical System Power Train Incident Summary: I am reporting a serious and repeated safety defect involving my 2015 Hyundai Sonata Hybrid. This vehicle has experienced three separate incidents where warning messages related to the EV/hybrid battery system appeared, followed by a sudden loss of forward propulsion. During these events, the vehicle would not move properly or lost the ability to accelerate safely. This defect creates a major safety hazard because it can occur while driving, increasing the risk of being rear-ended, stranded in traffic, collision, injury, or property damage. I transport my small children in this vehicle and no longer feel it is safe. Detailed Timeline: Initial Incident: Vehicle displayed warning messages involving the EV/hybrid battery system and lost the ability to move forward properly. Vehicle had to be shut off and restarted. Independent Mechanic Inspection: Vehicle was inspected by an independent mechanic who advised the hybrid battery system likely needed repair or replacement and recommended service through Hyundai dealership. Dealer Visit #1 – Stew Hansen Hyundai (3/18/2026): Vehicle was taken to authorized Hyundai dealer for diagnosis. Dealer stated they could not duplicate the issue and no repair was made. Second Failure: After release from dealer, same dangerous loss-of-power condition occurred again, resulting in towing and additional inconvenience. Dealer Visit #2 – Stew Hansen Hyundai (4/8/2026): Vehicle returned to dealer for same issue. Dealer performed software update and stated this should correct problem. Dealer advised vehicle had been driven approximately 40 miles and was safe to release. Third Failure (4/12/2026 approx.): Only two days after picking vehicle up on 4/10/2026, same warning messages and propulsion failure occurred again. Safety Concern: This repeated loss of propulsion without warning is extremely dangerous.
NHTSA complaint 11731825Idle and warning to not drive, 2025 very subtle cut off now full warning
NHTSA complaint 11730590We pulled up at Hillgreen circle Cockysville MD To drop my boyfriend off at his apartment. I went to pull in the parking spot.I went to put the car into park and it had no brakes. I was slamming them and pumping them. It excellerated and took off. Jumped the curb,went down the hill and into the apartment building. A red light had came on the dash, right before it took off. Seemed like it was changing to gas or the electric mode,or the other way around. The airbag on the passenger side came out deflated,and filled with smoke going into the car. He was the belted front passenger and his elbow went in to the front window. You can tell by looking at it,the hole and spidered around it. He broke his right elbow. It is available anytime at the moment. It's at Hyundaii in Glen burnie. I need to get it to state farms lot,to get the Kelly blue book value. We look forward to hearing from you
NHTSA complaint 11717654The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated that while driving 5 MPH and making a left turn, the vehicle made an abnormal knocking sound. The contact stated that upon pulling into an apartment complex parking lot, the contact noticed that there was smoke coming out from underneath the hood. There was no warning light illuminated. The contact immediately parked and exited the vehicle. The contact stated that upon opening the hood, the contact noticed a small fire and was able to extinguish the fire with a water bottle. The contact was able to push the vehicle into a parking space with the assistance of her son. There was no injury sustained. No police report was filed. The vehicle was towed to an independent mechanic, where it was diagnosed that a fluid leak from an unknown hose had caused the fire, and there was a hole in the engine block. The contact also stated that there was a puddle of fluid on the ground. The vehicle was not repaired. The contact became aware that the VIN was included in NHTSA Campaign Number: 23V651000(Service Brakes, Hydraulic), which the contact related to the failure. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 115,395.
NHTSA complaint 11653864The contact owns a 2015 Hyundai Sonata Hybrid. The contact took the vehicle to the dealer to be repaired under NHTSA Campaign Number: 23V651000 (Service Brakes, Hydraulic) and Manufacturer recalls: 964 (Auxiliary Canister Installation), 966 (Engine Monitoring Module, ECU Software Update), and 994 (Hybrid Safety Fuse). The contact stated that after the repairs were completed while attempting to start the vehicle at the dealer, the vehicle failed to start. The vehicle remained at the dealer who was unable to determine the cause of the failure. The vehicle had not been repaired. The manufacturer was made aware of the failure and confirmed that the vehicle was not covered under warranty for any further repairs. The failure mileage was 170,000.
NHTSA complaint 11618944The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while driving at various speeds, a message advising to pull over and to park the vehicle was displayed. The vehicle was taken to the dealer for diagnostic testing several times. The dealer replaced the HECU and the battery inverter assembly; however, the failure persisted. Additionally, the contact stated that while his son was driving at an undisclosed speed, the contact's son noticed that there was white smoke coming from the rear middle seat of the vehicle. An unknown warning light was illuminated. The contact's son pulled to the side of the road and turned off the vehicle. The vehicle failed to restart and was towed to the dealer, where it was diagnosed that the hybrid battery pack had failed, causing the hybrid battery to melt. The dealer determined that the hybrid battery pack needed to be replaced. The vehicle was not repaired. The contact related the failure to Hyundai Campaign Number: 994. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 37,000.
NHTSA complaint 11605140The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while driving 45 MPH, the vehicle started overheating, and smelled an abnormal electrical burning odor inside the cabin. Several unknown warning lights were illuminated. The contact veered to the side of the road, turned off the vehicle and inspected under the hood. The contact stated that the vehicle failed to restart and was towed to the residence. The contact received notification of NHTSA Campaign Number: 23V651000 (Service Brakes, Hydraulic) which he related to the failure. The dealer was notified of the failure. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.
NHTSA complaint 11584561The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated that while driving at an undisclosed speed, the message "Turn off the Engine Immediately" was displayed. Several unknown warning lights were illuminated. The vehicle was taken to the dealer, who was unable to duplicate the failure. The vehicle was not repaired. Later, the contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power. The contact was able to pull to the shoulder of the roadway, where the vehicle failed to restart with several unknown warning lights illuminated. The vehicle was towed back to the dealer, who then diagnosed failures with the ABS and transmission. The vehicle was repaired, but the failure reoccurred. The manufacturer was notified of the failure but provided no assistance. The failure mileage was unknown.
NHTSA complaint 11583377The contact owns a 2015 Hyundai Sonata Hybrid. The contact received notification of NHTSA Campaign Number: 23V651000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue. The manufacturer was made aware of the issue and confirmed that parts were not yet available. The contact had not experienced a failure. VIN tool confirms parts not available. A person stated the wrong email address is listed, never filed a complaint.
NHTSA complaint 11564585The contact owns a 2015 Hyundai Sonata Hybrid. The contact received notification of NHTSA Campaign Number: 23V651000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The local dealer was made aware of the issue and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
NHTSA complaint 11556958The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated that while driving at an undisclosed speed, several unknown warning lights were illuminated. The contact stated that while depressing the brake pedal, the brake pedal went to the floorboard. The contact stated that the warning light to turn off the vehicle was illuminated. The contact turned the vehicle off and the vehicle failed to restart. The vehicle was towed to the dealer; however, the dealer refused to service the vehicle. The vehicle was then towed to the residence. The vehicle was towed to another Hyundai dealer where the vehicle was diagnosed with a failed transmission and battery. The contact was informed that the transmission and battery needed to be replaced. The vehicle was repaired. The contact stated while driving away from the dealer, she heard an unusual knocking sound coming from the engine compartment. The vehicle was taken back to the dealer. The service technician accompanied the contact for a test drive and confirmed the knocking coming from the engine compartment. The contact was informed that the new transmission that was installed was defective, and the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 74,680.
NHTSA complaint 11556952The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while stopped in traffic, the vehicle independently jolted with a message indicating a Hybrid System safety failure. Additionally, there was a message to stop driving the vehicle with an alarm sounding. The contact veered to the side of the road. The contact was able to continue driving. The contact received notification of NHTSA Campaign Number: 23V651000 (Service Brakes, Hydraulic) the following day; however, the part to do the recall repair was not yet available. The contact stated that the failure recurred while driving. The contact veered to the side of the road. The vehicle was then taken to an independent mechanic, where it was test-driven; however, the mechanic was unable to duplicate the failure. The local dealer was contacted and informed the contact that the earliest availability was on December 23, 2023. The vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 97,500. VIN tool confirms parts not available.
NHTSA complaint 11556073The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while driving approximately 60 - 65 MPH, the battery warning light illuminated. The charging system failure message was displayed. The vehicle was taken to the local dealer where it was diagnosed and determined that the system needed to be reprogramed. The vehicle was repaired; however, the failure persisted. While driving at an undisclosed speed, the check engine warning light illuminated, and the vehicle stalled. The vehicle was taken to an unknown local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 75,000.
NHTSA complaint 11500083The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while driving 45 MPH, there was a message that the vehicle was not safe to drive displayed on the instrument panel. The check engine warning light was illuminated. The contact stated that the vehicle began to stall; however, while depressing the accelerator pedal, the vehicle failed to accelerate. The vehicle was not drivable. The contact towed the vehicle to the local dealer, where it was diagnosed with needing both batteries to be replaced. The vehicle was repaired but continued to experience the failure. The contact took the vehicle to a second local dealer: Interstate Hyundai (609 Constitution Dr, West Monroe, LA 71292, (318) 387-2667) where it was diagnosed with needing both Manufacturer Communications 964 & 966 to be completed. The dealer completed manufacturer repairs, but the vehicle continued to experience the failure. The manufacturer had not been informed of the failure. The failure mileage was approximately 95,000.
NHTSA complaint 11494614The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic who replaced the fuel cap and performed other tests on the engine. The check engine warning light disappeared however, two weeks later the warning light returned. The dealer was contacted and a message was left. The manufacturer was not contacted. The failure mileage was 134,298.
NHTSA complaint 11467740The contact owns a 2015 Hyundai Sonata Hybrid. The contact stated while driving 20 mph, the vehicle loss motive power and the check charging system warning light illuminated before the vehicle stalled. The contact was able to coast and move the vehicle to the side of the roadway and waited for several minutes and restarted the vehicle. The contact continued to drive to his destination. The failure recurred several times. The local dealer was contacted and informed of the failure. The contact was informed that since the vehicle was experiencing the failure intermittently, the vehicle could not be diagnosed until the failure occurred and the vehicle was taken in with while the failure was happening. The vehicle was not diagnosed nor repaired. The manufacturer was made aware of the failure. The failure mileage was 29,000.
NHTSA complaint 11426645TL* THE CONTACT OWNS A 2015 HYUNDAI SONATA HYBRID. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, WITH THE AIR CONDITIONER ACTIVATED AND MAKING A TURN, THE VEHICLE HESITATED AND LOSS POWER. THERE WAS NO WARNING LIGHT ILLUMINATED. THE CONTACT CALLED HEADQUARTER HYUNDAI (985 RINEHART RD, SANFORD, FL 32771, (407)292-0000) HOWEVER, THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 110,000.
NHTSA complaint 11403734Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.