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Other or unknownPart report

2012 Hyundai Sonata Other or unknown Problems

Complaints
125about this part
Share
8%of 1,559 total for the year
Median mileage
79,500miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 125 complaints about the other or unknown of the 2012 Hyundai Sonata, 8% of the 1,559 complaints for this model year. Where a mileage was given, the median is 79,500 miles. 5 of these say a crash was involved and 11 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“After having to have my engine replaced due to my crank shaft getting clogged with metal pieces on the highway and destroying the engine. I've been having issues with the replacement engine feeling like it's stalling out or losing throttle either during a turn or shortly after. It's never popped and error code and only happens now and then.”

NHTSA complaint #11324543, filed 2020-05, 126,000 miles

“I stopped at a light on 23 in chillicothe ohio .when the light turned green tried to accelerate and nothing. All the dash light came on and had a odd smell.and hasn't started since will not turn over.. Checked the fuses starter alternator and battery. All are in working order. Had to have in towed to my house in south point ohio.”

NHTSA complaint #11355020, filed 2020-09, 17,000 miles

“Was changing lanes and tried to pick up speed. At which point my engine locked up and no longer turn over. This caused my power steering to fail, brakes to be applied despite me not pressing them. Then my car began to smell like it was burning. I was going 50 on a highway when this accrued during rush hour.”

NHTSA complaint #11268779, filed 2019-10, 125,521 miles

“My 2012 sonta has two cracks in dashboard. I had my car at dealer for almost a month.when I went to the dealer to pick it I noticed two cracks in dashboard. I questioned the dealer they didn't know what happened. They told me they left my car in the sun.”

NHTSA complaint #11339631, filed 2020-07, 132,000 miles

“I was parked. I started the car and put it in reverse to move it closer to a building, from one side of a dirt driveway to the other. When I started backing up everything seemed fine but after a few, maybe 3 seconds, the engine started roaring and the car took off at tremendous speed. I don't know how fast the car went.I hit the building, that's what stopped the car. I don't know if it would have stopped otherwise.”

NHTSA complaint #11103587, filed 2018-06, 62,000 miles

Other or unknown: other model years

YearComplaintsShare of year
2025318%
2024919%
202378%
20221011%
20213224%
20203016%
20192314%
20185916%
201710313%
20169213%
201516915%
20148511%
20131819%
20121258%
20112176%
20103711%
20094810%
2008215%
2007223%
2006323%
200564%
2004126%
200363%
2002144%
200142%
200031%
199954%
199824%
199724%
199614%
199328%
199127%
198919%

Other parts of the 2012 Hyundai Sonata

Engine
568 complaints
Steering
301 complaints
Electrical system
235 complaints
Air bags
170 complaints
Brakes
158 complaints
Exterior lighting
141 complaints
Fuel system
114 complaints
Transmission and drivetrain
97 complaints
Vehicle speed control
84 complaints
Seat belts
75 complaints
Body and structure
39 complaints
Suspension
36 complaints

← All problems reported for the 2012 Hyundai Sonata

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