2012 Hyundai Sonata Hybrid propulsion system Problems
- Complaints
- 3about this part
- Share
- 0%of 1,559 total for the year
- Median mileage
- 145,133miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the hybrid propulsion system of the 2012 Hyundai Sonata, 0% of the 1,559 complaints for this model year. Where a mileage was given, the median is 145,133 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.
“2012 Hyundai Sonata. Consumer writes in regards to manufacturers false mpg claims and vehicle acceleration issues. The consumer noticed, when the vehicle was cold, it seemed as though the vehicle could not decided if it wanted to be in electric or gas mode, as it was chugging as the consumer was trying to drive up the hill. The dealer informed the consumer, that a computer upgrade needed to be performed on the vehicle. After the computer was upgraded, the consumer experienced another failure. In october 2015, the vehicle once again stopped without any warning. …”
NHTSA complaint #10816133, filed 2015-12Hybrid propulsion system: other model years
Other parts of the 2012 Hyundai Sonata
568 complaintsSteering
301 complaintsElectrical system
235 complaintsAir bags
170 complaintsBrakes
158 complaintsExterior lighting
141 complaintsOther or unknown
125 complaintsFuel system
114 complaintsTransmission and drivetrain
97 complaintsVehicle speed control
84 complaintsSeat belts
75 complaintsBody and structure
39 complaints
← All problems reported for the 2012 Hyundai Sonata
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