2011 Hyundai Sonata Hybrid Transmission and drivetrain Problems
- Complaints
- 10about this part
- Share
- 10%of 96 total for the year
- Median mileage
- 76,919miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the transmission and drivetrain of the 2011 Hyundai Sonata Hybrid, 10% of the 96 complaints for this model year. Where a mileage was given, the median is 76,919 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I am experiencing a second issue with the transmission in my 2011 hybrid sonata. The transmission died once at around 80,000 miles and was rebuilt by Hyundai approximately 2 years ago. At the time it originally failed, my transmission experienced the same symptoms that many other owners complained about before it finally experienced a total failure and was dead on the road. Recently (now at 120k miles) my car has started showing the same symptoms that preceded the original failure. …”
NHTSA complaint #11011511, filed 2017-07, 121,000 miles“I was coming off of an on ramp to get onto the highway and due to traffic I had to let off the gas. The vehicle suddenly accelerated by itself, causing me to nearly lose control of the vehicle. Another incident took place at a school crosswalk area. I lightly pressed the brakes and the vehicle accelerated by itself causing my head to whip back and me to press harder on the brake. Nearly hitting kids as they crossed in front of my vehicle.”
NHTSA complaint #10545285, filed 2013-09, 85,000 miles“Charging system malfunctioned, sensors melted in valve trane, radiator elbow and fill neck blew off, complete engine failure and battery failure. I have had a problem with the check brake light and an alarm going off. However, when I stopped driving and had it towed to the dealership they could find nothing. Prior to this incident, I took a photo of my dash, I had 76,499 miles and the coolant meter did not read hot. I had had the coolant system flushed at 65,000 miles, and I had all oil and fluids checked again after this incident. …”
NHTSA complaint #10983518, filed 2017-05, 76,919 miles“Check charging system and check brake light came on at 76000 miles driveing 65 MPH in the highway after 3 hours. Collant did not read hot, battery read dead. Vehichle quickly decellerated and I pulled over. Radiator blew neck off and several components of the cooloing system and hoses were melted there is a strong smell of fludge/fule based residue/combustion in cooling system that blew off neck. Battery so week I could not use the key to open a door or the trunk, or move seats. Coolant had just been topped of and system was flushed within 10,000 miles. …”
NHTSA complaint #10984281, filed 2017-05, 76,919 miles“We were driving on i81n in virginia when it sounded like we were driving over gravel.I thought it could have been a tire. Found tires were ok. Waited to pull out safely. Seconds after we entered i81n, we began to lose power, A/C and a warning light indicating to check hybrid system came on in message board. We pulled off at exit 277n and had enough power to find a safe place to pull over.I discovered that the serpentine belt was shredded. We were towed to a Hyundai dealer where the car sat overnight on 9/6/15 until service opened on 9/8/15. …”
NHTSA complaint #10762516, filed 2015-09, 53,060 milesRelated service bulletins
- 10238380Jun 9, 2023On certain Sonata hybrid (YF HEV) vehicles, the HEV safety plug or power relay assembly (PRA) may cause the following symptoms and one or more current related DTCs. Follow the…
- 10190049Mar 30, 2021The Powertrain warranty coverage for certain engine repairs and/or replacement where the engine damage, defect, or failure is related to connecting rod bearing wear, has been…
- 10176194May 21, 2020If you are servicing an applicable vehicle with the following symptoms and DTC, follow the Service Procedure on Page 4. ï· Check Engine light on ï· DTC P0880/P088000 - TCM…
- 10174807Apr 17, 2020The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
- 10174799Apr 9, 2020If you are servicing an applicable vehicle with a âCheck Engineâ light on and one or more of the DTC listed below, follow the repair procedure and replace the related…
- 10172227Feb 20, 2020If you are servicing an applicable vehicle with a âCheck Engineâ light on and one or more of the DTC listed below, follow the repair procedure and replace the related…
- 10170899Jan 2, 2020This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear).
- 10170511Dec 17, 2019If you are servicing a vehicle with a transmission slipping concern, follow the Service Procedure shown below and perform a stall test. This TSB provides a procedure to test each…
- 10165455Aug 12, 2019If you are servicing an applicable vehicle with a ?Check Engine? light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid…
- 10163279Jun 4, 2019This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear).
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 1 | 11% |
| 2023 | 3 | 20% |
| 2022 | 2 | 11% |
| 2021 | 4 | 7% |
| 2019 | 2 | 40% |
| 2018 | 1 | 11% |
| 2017 | 10 | 12% |
| 2016 | 14 | 11% |
| 2015 | 7 | 13% |
| 2014 | 1 | 4% |
| 2013 | 14 | 13% |
| 2012 | 31 | 20% |
| 2011 | 10 | 10% |
Other parts of the 2011 Hyundai Sonata Hybrid
40 complaintsSteering
18 complaintsBrakes
17 complaintsElectrical system
17 complaintsOther or unknown
9 complaintsAir bags
8 complaintsElectronic stability control
6 complaintsVehicle speed control
5 complaintsSeat belts
3 complaintsWheels
3 complaintsFuel system
2 complaintsSuspension
2 complaints
← All problems reported for the 2011 Hyundai Sonata Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology