Most common 2015 Hyundai Sonata Hybrid problems
Share of the 54 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Hyundai Sonata Hybrid complaints by model year
Best Sonata Hybrid years: 2019, 2018, 2014. Years to avoid: 2021, 2016, 2012. Compare all years →
2015 Hyundai Sonata Hybrid recalls (4)
Service brakes, hydraulic › Antilock/traction control/electronic limited slip › Control unit/module
Hyundai Motor America (Hyundai) is recalling certain 2011-2015 Elantra, Genesis Coupe, Sonata Hybrid, 2012-2015 Accent, Azera, Veloster, 2013-2015 Elantra Coupe, Santa Fe, 2014-2015 Equus, 2010-2012 Veracruz, 2010-2013 Tucson, 2015 Tucson Fuel Cell, and 2013 Santa Fe Sport vehicles.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the ABS fuse, free of charge.
Seat belts › Pretensioner
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2011-2015 Sonata Hybrid vehicles previously repaired under recall campaign 17V-152. The seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners.
Remedy: Hyundai will notify owners, and dealers will again verify the connection between the seat belt linkage and the pretensioner and additionally install a warning label to prevent future seat belt linkage detachment, free…
Seat belts › Front › Anchorage
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2011-2015 Sonata Hybrid vehicles. In the affected vehicles, the seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners.
Remedy: Hyundai will notify owners and dealers will inspect the connection between the seat belt linkages and the seat belt anchor pretensioners, repairing them as necessary, free of charge.
Visibility › Sun/moon roof assembly
Hyundai Motor America (Hyundai) is recalling certain model year 2015-2016 Sonata Hybrid vehicles manufactured December 8, 2014, to August 18, 2015, and Hyundai Sonata vehicles manufactured May 28, 2014, to March 18, 2016, equipped with the panoramic sunroof option.
Remedy: Hyundai will notify owners, and dealers will repair the wind deflector anchor plate, free of charge. The recall began December 2016. Owners may contact Hyundai customer service at 1-800-633-5151.
NHTSA defect investigations
Federal safety investigators have looked into 4 possible defects involving the 2015 Hyundai Sonata Hybrid:
Electrical overstress
The Office of Defects Investigation (ODI) opened this investigation to determine if the failure of airbags to deploy during severe crashes, in certain vehicles, was the result of a safety related defect. During the investigation a complex failure was studied that can result in non-deployment of subject vehicle air bags and other restraint system devices in severe crash events.
Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles.
Loss of Motive Power
The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021.
Hyundai and Kia ABS Module Fires
The Office of Defects Investigation (ODI) has received eight Hyundai Motor America (Hyundai) and eight Kia America, Inc. (Kia) Part 573 Recall Reports between 2016 and 2023. The combined 16 safety recalls all involve the antilock braking system (ABS) modules or Hydraulic Electronic Control Units (HECU) manufactured by the equipment supplier Mando.
What 2015 Hyundai Sonata Hybrid owners say
Electrical system all 24 →
The 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. …
The 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. …
Engine & cooling all 21 →
The 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 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, [phone]) 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. …
Brakes
The 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 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. …
2015 Hyundai Sonata Hybrid engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.4L 4-cyl hybrid | 6-speed dual-clutch | FWD | 35 / 38 / 37 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2015 Hyundai Sonata Hybrid a good car?
Based on 54 owner complaints filed with NHTSA, the 2015 Sonata Hybrid rates better than average: 48% fewer complaints than a typical year of the Sonata Hybrid at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2015 Hyundai Sonata Hybrid?
The electrical system — 24 complaints, 44% of all complaints for this model year, most often about 12v/24v/48v battery. Next are the engine & cooling (21) and brakes (14).
How many recalls does the 2015 Hyundai Sonata Hybrid have?
There are 4 recalls for the 2015 Hyundai Sonata Hybrid, the most recent from September 22, 2023 (control unit/module). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Hyundai Sonata Hybrid?
The best years by complaints, compared at the same age, are 2019, 2018 and 2014. Years to avoid or approach with caution: 2021, 2016 and 2012. See the full Hyundai Sonata Hybrid years comparison.
At what mileage do 2015 Hyundai Sonata Hybrid problems happen?
The median mileage reported in complaints is about 51,000 miles; 47% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.