2011 Hyundai Sonata Hybrid problems & reliability
96 owner complaints filed with NHTSA for the 2011 Hyundai Sonata Hybrid, alongside 6 safety recall campaigns. Last verified Sep 21, 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 components.
3 complaints report injuries (5 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 40 | 42% |
| Steering → | 18 | 19% |
| Electrical System → | 17 | 18% |
| Service Brakes → | 13 | 14% |
| Power Train → | 10 | 10% |
| Unknown / Other | 9 | 9% |
| Air Bags | 8 | 8% |
| Electronic Stability Control (esc) | 6 | 6% |
| Service Brakes, Hydraulic | 5 | 5% |
| Vehicle Speed Control | 5 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 18 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 77 complaints that included a usable odometer reading, the median reported incident mileage was 87,500 miles (middle 50% between 66,584 and 120,000 miles).
Complaints by incident year
What owners report
“The contact owns a 2011 Hyundai Sonata Hybrid. The contact stated that while driving at an undisclosed speed, there was an abnormally loud sound coming from the vehicle. The contact turned off the vehicle, and while inspecting the vehicle, the contact became aware that there was a puddle of oil on the ground…”
Engine · filed Aug 19, 2026
“The contact owns a 2011 Hyundai Sonata. The contact stated that while driving on the highway at 60 MPH, there was smoke coming from the rear of the vehicle. The contact immediately pulled over to inspect the vehicle. Upon checking under the hood, the contact noticed that the coolant level was low. The contact…”
Engine and Engine Cooling · filed Apr 29, 2025
“The contact owns a 2011 Hyundai Sonata Hybrid. The contact stated that upon starting or reversing, the steering wheel seized. There were no warning lights illuminated. The vehicle was towed to the local dealer, where an unknown diagnosis was provided. The vehicle was not repaired. The manufacturer informed the contact…”
Steering · filed Aug 23, 2024
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
- Engine Fires
Engineering Analysis EA21003 · opened Dec 22, 2021 · closed Feb 5, 2024 · led to recall 23V877
- Non-crash Vehicle Fires
Preliminary Evaluation PE19003 · opened Mar 29, 2019 · closed Dec 22, 2021 · led to recall 21V727000
- Non-crash Vehicle Fires
Defect Petition DP18003 · opened Aug 21, 2018 · closed May 10, 2019 · led to recall 19V204000
- Air bags may be disabled during crash
Preliminary Evaluation PE18003 · opened Mar 16, 2018 · closed Aug 30, 2019 · led to recall 18V363000
Technical service bulletins
111 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2011 Hyundai Sonata Hybrid. The 10 most recent:
The warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use. Refer to the warranty and service parts information…
26-BE-022H DCS · Warranty Program/Extension · issued Aug 26, 2026
The warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use for original & subsequent owners.
26-BE-022H DN · Warranty Program/Extension · issued Aug 25, 2026
The warranty coverage for the clock spring has been extended to 15 years with unlimited mileage from the date of original retail delivery or date of first use. Refer to the warranty and service parts information…
26-BE-022H TSB · Warranty Program/Extension · issued Aug 25, 2026
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
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 2011 Hyundai Sonata Hybrid has 6 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 2011 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.
- · Among complaints with usable mileage, the median reported incident mileage was 87,500 miles. This does not predict when a particular vehicle will develop a problem.