Most common 2012 Hyundai Sonata problems
Share of the 1,558 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Hyundai Sonata complaints by model year
Best Sonata years: 2025, 2019, 2020. Years to avoid: 2011, 2013, 2012, 2015, 2017. Compare all years →
2012 Hyundai Sonata recalls (8)
Engine
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2013-2014 Santa Fe Sport vehicles previously repaired under recall numbers 15V-568 and 17V-226. The high pressure fuel pipe that connects to the fuel pump outlet may have been damaged, misaligned, or improperly torqued during the engine replacement…
Remedy: Hyundai will notify owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began March 1, 2019. Owners may contact Hyundai customer service at 1-855-371-9460.
Air bags › Air bag/restraint control module
Hyundai Motor America (Hyundai) is recalling certain 2011-2013 Sonata and 2011-2012 Sonata Hybrid vehicles. On February 27, 2018, Hyundai Motor Company (Hyundai) notified NHTSA that they were recalling 154,753 model year 2011 Sonata vehicles.
Remedy: Hyundai will notify owners, and dealers will install an external wire filter kit, free of charge. The recall began October 15, 2018. Owners may contact Hyundai customer service at 1-855-371-9460.
Seat belts › Pretensioner
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2011-2015 Sonata Hybrid vehicles previously repaired under recall campaign 17V-152. The seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners.
Remedy: Hyundai will notify owners, and dealers will again verify the connection between the seat belt linkage and the pretensioner and additionally install a warning label to prevent future seat belt linkage detachment, free…
Seat belts › Front › Anchorage
Hyundai Motor America (Hyundai) is recalling certain 2011-2014 Sonata and 2011-2015 Sonata Hybrid vehicles. In the affected vehicles, the seat belt linkages for both front seat belts may detach from the seat belt anchor pretensioners.
Remedy: Hyundai will notify owners and dealers will inspect the connection between the seat belt linkages and the seat belt anchor pretensioners, repairing them as necessary, free of charge.
Exterior lighting › Brake lights › Switch
Hyundai Motor America (Hyundai) is recalling certain model 2011-2012 Sonata vehicles. The brake pedal stopper pad can deteriorate allowing the brake light switch plunger to remain extended when the brake pedal is released.
Remedy: Hyundai will notify owners, and dealers will replace the brake pedal stopper pad with an improved part, free of charge. The recall began on January 6, 2016. Owners may contact Hyundai customer service at 1-855-671-3059.
Engine
Hyundai Motor America (Hyundai) is recalling certain model year 2011-2012 Sonata vehicles manufactured December 11, 2009, to April 12, 2012 at Hyundai Motor Manufacturing Alabama and equipped with either a 2.0 liter or 2.4 liter Gasoline Direct injection engine.
Remedy: Hyundai will notify owners, and dealers will inspect the vehicles and replace the engine assembly, as necessary, free of charge.
Show 2 more recalls
Power train › Automatic transmission
Hyundai Motor Company (Hyundai) is recalling certain model year 2011-2014 Sonata vehicles manufactured December 11, 2009, through May 29, 2014. In the affected vehicles, the transmission shift cable may detach from from the shift lever pin.
Remedy: Hyundai will notify owners, and dealers will inspect and, as necessary, repair the connection between the shift cable and shift lever, free of charge. The recall began in September 2014.
Air bags › Side/window
Hyundai is recalling certain model year 2012-2013 Hyundai Sonata passenger cars, manufactured from January 24, 2012, through June 21, 2012. The curtain side airbags on these vehicles may inflate without deployment command due to an error during manufacturing.
Remedy: Hyundai dealers will notify owners, and dealers will replace the curtain side airbags free of charge. This recall began on August 31, 2012. Owners may contact Hyundai at 1-800-633-5151.
NHTSA defect investigations
Federal safety investigators have looked into 7 possible defects involving the 2012 Hyundai Sonata:
Scope and Timeliness
NHTSA opened Recall Query (RQ) 17-004 to investigate the timeliness and scope of Hyundai?s Theta II GDI engine recalls (Recall Nos. 15V-568 and 17V-226), and Hyundai?s compliance with reporting requirements. On November 23, 2020, the Agency entered into a Consent Order with Hyundai to administratively resolve NHTSA?s assertions of violations of law in connection with RQ17-004.
Non-crash Vehicle Fires
During this Preliminary Evaluation (PE), the Office of Defects Investigation (ODI) assessed the scope, frequency and potential safety-related consequences of non-crash vehicle fires caused by both engine failures and failures of other vehicle systems/components in model year (MY) 2011-2014 Hyundai Sonata and Santa Fe vehicles equipped with Theta II and Lambda II engines (approximately 1.3 million vehicles).
Air bags may be disabled during crash
The Office of Defects Investigation (ODI) opened PE18-003 on 3/16/18 to investigate incidents involving crashes, resulting in significant collision related damage, where the frontal airbags failed to deploy. ODI reviewed complaint data, available design, test, and field data on the model year (MY) 2011 Hyundai Sonata, MY 2012-2013 Kia Forte and Forte Koup vehicles.
Engine Fires
On March 29, 2019, the Office of Defects Investigation (ODI) opened two Preliminary Evaluations (PE19-003 on Hyundai and PE19-004 on Kia) to broadly investigate incidents of non-crash fires (regardless of origin or operational status of the vehicle) on various model year Hyundai and Kia vehicles.
Loss of Motive Power
The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021.
Throttle control system vulnerabilities
The Office of Defects Investigation (ODI) of the National Highway Traffic Safety Administration (NHTSA) received a petition letter dated October 10, 2021, requesting an investigation of possible defects in the electronic throttle control (ETC) system on certain Kia vehicles resulting in the opening of DP21-003.
Non-crash Vehicle Fires
In a letter dated June 11, 2018, the Center for Auto Safety (CAS) petitioned the National Highway Traffic Safety Administration (NHTSA) to initiate a safety defect investigation into non-collision related fires on model year (MY) 2011-2014 Kia Optima and Sorento, and Hyundai Sonata and Santa Fe vehicles. In a letter dated July 24, 2018, CAS requested that MY 2010-2015 Kia Soul vehicles be added to the petition.
What 2012 Hyundai Sonata owners say
Engine & cooling all 577 →
The contact owned a 2012 Hyundai Sonata. The contact stated that various functions on the steering wheel including the horn, cruise control, and other electrical functions; all failed to operate as needed. The vehicle was taken to an independent mechanic where the contact was informed that a warranty had been placed on the vehicle for the clock spring which they linked to the failure. The steering wheel also began to stick soon after the diagnosis. The dealer was notified of the failure; however, the dealer could not provide an appointment until months out. The contact then stated that while driving at 65 MPH, the vehicle began to hesitate upon the depression of the accelerator pedal. The contact began to pull over as the EPS(Electrical Power Steering) and several other warning lights appeared on the instrument panel. …
The contact owned a 2012 Hyundai Sonata. The contact stated that while driving to her residence at unknown speeds, the vehicle suddenly caught fire while making a U-turn. The brakes and emergency brake were inoperable. The seatbelt was inoperable. The driver jumped out of the window. A pedestrian attempted to alert her of the fire. The vehicle exploded after exiting the vehicle. The contact sustained an injury to her leg, but no medical attention was provided. The fire department extinguished the fire. A police report was filed. There was no report of a crash or airbag deployment. The vehicle was towed to a tow lot. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 136,000. The vehicle was auctioned off by the towing company.
Steering all 301 →
The contact owned a 2012 Hyundai Sonata. The contact stated that various functions on the steering wheel including the horn, cruise control, and other electrical functions; all failed to operate as needed. The vehicle was taken to an independent mechanic where the contact was informed that a warranty had been placed on the vehicle for the clock spring which they linked to the failure. The steering wheel also began to stick soon after the diagnosis. The dealer was notified of the failure; however, the dealer could not provide an appointment until months out. The contact then stated that while driving at 65 MPH, the vehicle began to hesitate upon the depression of the accelerator pedal. The contact began to pull over as the EPS(Electrical Power Steering) and several other warning lights appeared on the instrument panel. …
The contact owns a 2012 Hyundai Sonata. The contact stated while driving 30 MPH, the vehicle downshifted unintendedly and decelerated. The contact stated that she shifted into neutral(N). The contact pulled over to the side of the road and remained there for several minutes. The contact was able to continue driving; however, the failure recurred while driving. The contact stated that the failure had been recurring increasingly. The vehicle was taken to the dealer, where the failure recurred while the vehicle was being test-driven; however, the dealer informed the contact that they could not determine the cause of the failure. The dealer informed the contact that the steering wheel needed to be disassembled to inspect the paddle shifters. The vehicle was not diagnosed nor repaired. The manufacturer was notified of the failure. The failure mileage was 100,300.
Electrical system all 235 →
The contact owned a 2012 Hyundai Sonata. The contact stated that various functions on the steering wheel including the horn, cruise control, and other electrical functions; all failed to operate as needed. The vehicle was taken to an independent mechanic where the contact was informed that a warranty had been placed on the vehicle for the clock spring which they linked to the failure. The steering wheel also began to stick soon after the diagnosis. The dealer was notified of the failure; however, the dealer could not provide an appointment until months out. The contact then stated that while driving at 65 MPH, the vehicle began to hesitate upon the depression of the accelerator pedal. The contact began to pull over as the EPS(Electrical Power Steering) and several other warning lights appeared on the instrument panel. …
The contact owns a 2012 Hyundai Sonata. The contact stated that the rear taillights failed to illuminate upon depression of the brake pedal. There was no warning light illuminated. The contact had taken the vehicle to a dealer where she was informed that the socket to replace the light bulb had melted and that due to the failure, both light bulbs could not be replaced. The contact also mentioned that a white smoke had emitted from her driver side headlight when she attempted to replace the light bulb. The contact was able to replace the driver side headlight bulb; however, the driver side headlight bulb would illuminate very dim. The manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 160,000.
2012 Hyundai Sonata engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.4L 4-cyl hybrid | 6-speed automatic | FWD | 34 / 39 / 36 |
| 2.4L 4-cyl | 6-speed automatic | FWD | 24 / 34 / 27 |
| 2.4L 4-cyl | 6-speed manual | FWD | 24 / 34 / 27 |
| 2.0L 4-cyl turbo | 6-speed automatic | FWD | 22 / 33 / 26 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2012 Hyundai Sonata a good car?
Based on 1,558 owner complaints filed with NHTSA, the 2012 Sonata rates avoid: 4.4× as many complaints as a typical year of the Sonata at the same age. It is one of the Sonata years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2012 Hyundai Sonata?
The engine & cooling — 577 complaints, 37% of all complaints for this model year, most often about engine › oil/lubrication › sump/tank › drain plug. Next are the steering (301) and electrical system (235).
How many recalls does the 2012 Hyundai Sonata have?
There are 8 recalls for the 2012 Hyundai Sonata, the most recent from December 28, 2018 (engine). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Hyundai Sonata?
The best years by complaints, compared at the same age, are 2025, 2019 and 2020. Years to avoid or approach with caution: 2011, 2013, 2012, 2015 and 2017. See the full Hyundai Sonata years comparison.
At what mileage do 2012 Hyundai Sonata problems happen?
The median mileage reported in complaints is about 80,000 miles; 26% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.