2015 Hyundai Sonata Hybrid problems & reliability
51 owner complaints filed with NHTSA for the 2015 Hyundai Sonata Hybrid, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (5 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 23 | 45% |
| Engine → | 17 | 33% |
| Service Brakes | 8 | 16% |
| Power Train | 7 | 14% |
| Unknown OR Other | 6 | 12% |
| Service Brakes, Hydraulic | 5 | 10% |
| Vehicle Speed Control | 4 | 8% |
| Engine and Engine Cooling | 2 | 4% |
| Fuel/propulsion System | 2 | 4% |
| Hybrid Propulsion System | 2 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 50,500 miles (middle 50% between 24,000 and 88,699 miles), based on 37 complaints that included mileage.
Complaints by incident year
What owners report
“The Hybrid system kept crashing ! Triggering the auto theft and would not connect to fob , told it was immobilzer, and/or shortage in EV battery!!!”
Electrical System · filed Aug 4, 2026
“Component 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…”
Electrical System · filed Apr 17, 2026
“We 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…”
Electrical System · filed Feb 12, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Hyundai and Kia ABS Module Fires
Audit Query AQ23002 · opened Nov 17, 2023 · open
- Pedestrian alert sounds
Defect Petition DP22005 · opened Jan 27, 2023 · closed Aug 7, 2023 · led to recall 22V063000
- Loss of Motive Power
Defect Petition DP22003 · opened Sep 12, 2022 · closed Dec 12, 2023
- Electrical overstress
Engineering Analysis EA19001 · opened Apr 19, 2019 · closed Sep 19, 2024 · led to recall 20V024
Technical service bulletins
115 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2015 Hyundai Sonata Hybrid. The 10 most recent:
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co.…
DTN DL · Other · issued Apr 10, 2026
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety…
DTN DCS · Other · issued Apr 10, 2026
This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H-2 (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the…
26-01-033H TSB · Warranty Program/Extension · issued Mar 26, 2026
This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the latest…
26-01-033H DN · Warranty Program/Extension · issued Mar 26, 2026
A Class Action settlement regarding the TRW Airbag was recently decided. Based on the Class Action, customers are eligible for certain settlement benefits. Please see attached for details. Impacted vehicles are also…
TRW Settlement DCS · Other · issued Dec 19, 2025
A Class Action settlement regarding the TRW Airbag was recently decided. Based on the Class Action, customers are eligible for certain settlement benefits. Impacted vehicles are also noted below. For further information…
TRW Summary Notice · Other · issued Dec 19, 2025
Hyundai has settled a class action lawsuit that alleges that certain Hyundai and Kia Class Vehicles (defined below) contain defective ZF-TRW airbag control units (“ZF-TRW ACUs”) that are vulnerable to a condition called…
TRW Settlement Notice · Other · issued Dec 19, 2025
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of…
25-BD-012H TSB · Service Bulletin/Repair Instructions · issued Nov 6, 2025
Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction…
24-01-068H · Service Campaign · issued Aug 19, 2024
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and…
24-BD-001H · Service Bulletin/Repair Instructions · issued Feb 14, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2015 Hyundai Sonata Hybrid has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2015 Hyundai Sonata Hybrid?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 50,500 miles — budget accordingly if the car is approaching that mileage.