2011 Hyundai Sonata Hybrid Engine cooling Problems
- Complaints
- 1about this part
- Share
- 1%of 96 total for the year
- Median mileage
- 130,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2011 Hyundai Sonata Hybrid, 1% of the 96 complaints for this model year. Where a mileage was given, the median is 130,000 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.
“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 attempted to restart the vehicle; however, the vehicle failed to start. The vehicle was towed to a dealer, where it was diagnosed, and the contact was advised that the engine had overheated and needed to be replaced. The vehicle was not repaired. …”
NHTSA complaint #11657515, filed 2025-04, 130,000 milesRelated service bulletins
- 10247189Oct 13, 2023This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
- 10240082Jul 11, 2023A class action lawsuit against Hyundai Motor America (âHMAâ) alleges that certain Hyundai vehicles (âClass Vehiclesâ) were manufactured, marketed, sold, and/or leased…
- 10227320Nov 3, 2022Certain vehicles may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit abnormal noise, or no crank/no start condition related to…
- 10227317Nov 3, 2022Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or…
- 10227316Nov 3, 2022The warranty coverage for engine repair or replacement regarding engine damage or malfunction from connecting rod bearing wear has been extended to 15 years or 150,000 miles from…
- 10227313Nov 3, 2022Op code/part number (reference guide for service campaign t6g)
- 10217251Jul 28, 2022Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or…
- 10211675Apr 28, 2022The Powertrain warranty coverage for certain engine repairs and/or replacement where the engine damage or malfunction is related to connecting rod bearing wear, has been extended…
- 10211667Apr 28, 2022Hyundai 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…
- 10211666Apr 28, 2022Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or…
Engine cooling: other model years
Other parts of the 2011 Hyundai Sonata Hybrid
40 complaintsSteering
18 complaintsBrakes
17 complaintsElectrical system
17 complaintsTransmission and drivetrain
10 complaintsOther or unknown
9 complaintsAir bags
8 complaintsElectronic stability control
6 complaintsVehicle speed control
5 complaintsSeat belts
3 complaintsWheels
3 complaintsFuel system
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 30, 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