2011 Hyundai Sonata

Problems, recalls and owner-reported issues

Steering is the leading concern among 3,376 owner complaints filed for this model year. This is the highest complaint count among 26 Sonata model years with reports.

Complaints by model year
  1. 3,376

Of the 2011 reports, 116 involved a crash and 112 involved a fire. 85 people were injured and 3 people died.

Primary concernSteering1,171 reports · 35% of complaints
Owner complaints3,376Filed with NHTSA
Recall relationship14 safety recallsNHTSA campaign records

What owners report most often

  1. Steering1,171
  2. Engine967
  3. Electrical system443
  4. Air bags418
  5. Exterior lighting248
  6. Other or unspecified213
  7. Service brakes175
  8. Power train173

Recalls and investigations

  1. EngineDec 28, 2018

    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 procedure, allowing fuel to leak from the pipe.

    A fuel leak in the presence of an ignition source can increase the risk of a fire.

    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. Hyundai's recall number for this recall is 180.

    Campaign 18V934000 on NHTSA.gov

  2. Seat belts, pretensionerFeb 27, 2018

    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. On April 18, 2018, Hyundai expanded the recall to include an additional 425,305 model year 2012-2013 Sonata and 2011-2012 Sonata Hybrid vehicles. In the event of a crash, the air bag control unit (ACU) may short circuit, preventing the frontal air bags, seat belt pretensioners, and side air bags from deploying.

    If the frontal air bags, seat belt pretensioners, and side air bags are disabled, there is an increased risk of injury to the vehicle occupants in the event of a vehicle crash that necessitates deployment of these safety systems.

    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. Hyundai's number for this recall is 174.

    Campaign 18V137000 on NHTSA.gov

  3. Seat belts, pretensionerOct 4, 2017

    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.

    If the seat belt linkage detaches from the seat belt anchorage, it can not properly restrain the occupant in the event of a crash, increasing the risk of injury.

    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 of charge. The recall began November 6, 2017. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 169.

    Campaign 17V617000 on NHTSA.gov

  4. Seat belts, front, anchorageMar 8, 2017

    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.

    In the event of a crash, if the seat belts detach from the anchor pretensioners, it can increase the risk of injury.

    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. The recall is expected to begin April 7, 2017. Owner's may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for the recall is 160.

    Campaign 17V152000 on NHTSA.gov

  5. Steering, electric power assist systemApr 5, 2016

    Hyundai Motor Company (Hyundai) is recalling certain model year 2011 Sonata vehicles manufactured December 11, 2009, to October 31, 2010. In the affected vehicles, the Electronic Power Steering (EPS) circuit board may be damaged and result in a loss of power steering assist.

    With a loss of power steering assist, extra steering effort will be required, especially at lower speeds, increasing the risk of a crash.

    Hyundai will notify owners, and dealers will replace the EPS control unit, free of charge. The recall began May 30, 2016. Owners may contact Hyundai customer service at 1-855-371-9640. Hyundai's number for this recall is 143.

    Campaign 16V190000 on NHTSA.gov

  6. Exterior lighting, brake lights, switchNov 16, 2015

    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.

    If the brake light switch plunger does not retract as it should when the brake pedal is not being pressed, the brake lights may stay illuminated preventing accurate communication to rearward following vehicles that the vehicle is slowing or stopping. Additionally, if the brake switch plunger is not retracted, then the transmission can be shifted out of PARK without depressing the brake pedal. Either condition increases the risk of a crash.

    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. Hyundai's number for this recall is 136.

    Campaign 15V759000 on NHTSA.gov

  7. Suspension, front, springs, coil springsOct 7, 2015

    Hyundai Motor America (Hyundai) is recalling certain model year 2011 Elantra vehicles manufactured November 12, 2010, to March 31, 2011, and Sonata vehicles manufactured December 11, 2009, to February 28, 2010, originally sold in, or currently registered in, Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin and the District of Columbia. Road salt may corrode the front coil springs, possibly resulting in the coil springs fracturing.

    If a front coil spring fractures, it may contact the tire, possibly puncturing it, increasing the risk of a crash.

    Hyundai will notify owners, and dealers will replace the front coil springs, free of charge. Interim notifications were mailed on November 17, 2015. The recall began on January 6, 2016. Owners may contact Hyundai customer service at 1-855-671-3059. Hyundai's number for this recall is 133. Note: Vehicles that were previously registered in salt belt states but are currently registered elsewhere are eligible to be inspected and repaired.

    Campaign 15V629000 on NHTSA.gov

  8. EngineSep 10, 2015

    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. In the affected vehicles, metallic debris may not have been fully removed during manufacturing of the engine crankshaft. If the debris was not completely removed, oil flow may be restricted through the connecting rod bearings, causing connecting rod damage. A worn connecting rod bearing will produce a metallic, cyclic knocking noise from the engine and possible engine failure.

    Engine failure would result in a vehicle stall, increasing the risk of a crash.

    Hyundai will notify owners, and dealers will inspect the vehicles and replace the engine assembly, as necessary, free of charge. Additionally, Hyundai Motor America will increase the warranty for the engine sub-assembly (short block) to 10 years/120,000 miles for both original and subsequent owners of 2011 and 2012 Sonatas manufactured at Hyundai Motor Manufacturing Alabama equipped with 2.0 liter and 2.4 liter Gasoline Direct injection engines. Interim notifications were mailed to owners starting on October 8, 2015. A second notification will be mailed when parts are available. Owners may contact Hyundai customer service at 1-855-671-3059 or by visiting www.HyundaiUSA.com/Campaign132. Hyundai's number for this recall is 132.

    Campaign 15V568000 on NHTSA.gov

  9. Power train, automatic transmissionJul 18, 2014

    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.

    If the transmission shift cable detaches, the transmission gear selection may not match the indicated gear and the vehicle may move in an unintended or unexpected direction, increasing the risk of a crash. Furthermore, when the driver parks the vehicle, despite selecting the 'PARK' position, the transmission may not be in 'PARK.' If the vehicle is not in the 'PARK' position and the parking brake is not applied, there is a risk the vehicle will roll away as the driver and other occupants exit the vehicle or anytime thereafter. A vehicle rollaway increases the risk of injury to exiting occupants and bystanders.

    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. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 123.

    Campaign 14V434000 on NHTSA.gov

  10. Service brakes, hydraulicJul 18, 2014

    Hyundai Motor Company (Hyundai) is recalling certain model year 2011 Sonata vehicles manufactured from December 11, 2009, through September 1, 2010. The affected vehicles may experience a brake fluid leak from the two brake lines that connect the brake system's master cylinder to the Hydraulic Electronic Control Unit (HECU) due to insufficient seal between the inner brake hose and metal brake line fitting.

    If the brake lines leak brake sufficient fluid, the brake warning lamp in the instrument cluster will illuminate and longer stopping distance will be required, increasing the risk of a vehicle crash.

    Hyundai will notify owners, and dealers will replace the brake hoses with a revised service part, free of charge. The recall began in September 2014. Owners may contact Hyundai customer service at 1-800-633-5151. Hyundai's number for this recall is 122.

    Campaign 14V433000 on NHTSA.gov

  11. Exterior lighting, brake lights, switchApr 1, 2013

    Hyundai Motor Company (Hyundai) is recalling certain model year 2006-2009 Accent, model year 2007-2011 Azera, Sonata and Sante Fe,2006-2011 Tucson, 2009-2011 Elantra Touring, 2007-2010 Elantra, 2008-2011 Veracruz, 2009-2011 Genesis, 2010-2011 Genesis Coupe, 2007-2008 Entourage, and 2006-2008 Tiburon vehicles. Originally, in April 2013, Hyundai recalled 1,059,824 model year 2007-2009 Accent and Tucson, model year 2007-2010 Elantra, model year 2007-2011 Santa Fe, model year 2008-2009 Veracruz, model year 2010-2011 Genesis Coupe, and model year 2011 Sonata vehicles. In September 2013, Hyundai informed the agency that it was adding more vehicles to this campaign, representing an additional 652,512 units. The total number of vehicles being recalled is now 1,712,336. In the affected vehicles, the stop lamp switch may malfunction. A malfunctioning stop lamp switch may cause the brake lights to not illuminate when the brake pedal is depressed or may cause an inability to deactivate the cruise control by depressing the brake pedal. Additionally, a malfunctioning stop lamp switch may also result in intermittent operation of the push-button start feature, affect the operation of the brake transmission shift interlock feature, preventing the shifter from being moved out of the PARK position and cause the Electronic Stability Control (ESC) malfunction light to illuminate.

    Failure to illuminate the stop lamps during braking or inability to disengage the cruise control could increase the risk of a crash. Additionally, when the ignition is in the 'ON' position, the transmission shifter may be able to be moved out of Park without first applying the brake. This may lead to unintentional movement of the car which may increase the risk of a crash.

    Hyundai will notify owners, and dealers will replace the stop lamp switch, free of charge. The safety recall began on April 22, 2013. Owners may contact Hyundai at 1-800-633-5151. Hyundai's recall campaign number is 110.

    Campaign 13V113000 on NHTSA.gov

  12. Steering, gear box, shaft sectorOct 1, 2010

    HYUNDAI IS RECALLING CERTAIN MODEL YEAR 2011 SONATA VEHICLES MANUFACTURED FROM DECEMBER 11, 2009, THROUGH SEPTEMBER 10, 2010. ON SOME OF THESE VEHICLES THE STEERING COLUMN INTERMEDIATE SHAFT UNIVERSAL JOINT CONNECTIONS MAY HAVE BEEN EITHER IMPROPERLY ASSEMBLED OR INSUFFICIENTLY TIGHTENED.

    IMPROPER ASSEMBLY OR INSUFFICIENT TIGHTENING OF THE CONNECTIONS COULD RESULT IN A COMPLETE SEPARATION OR COMPROMISED ATTACHMENT OF THE CONNECTIONS, SUCH THAT THE DRIVER COULD EXPERIENCE A LOSS OF, OR REDUCTION IN, STEERING CAPABILITY INCREASING THE RISK OF A CRASH.

    DEALERS WILL INSPECT THE STEERING COLUMN INTERMEDIATE SHAFT UNIVERSAL JOINT CONNECTIONS FOR PROPER ASSEMBLY AND TORQUE. IN ADDITION DEALERS WILL UPDATE THE POWER STEERING SOFTWARE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 11, 2010. OWNERS MAY CONTACT HYUNDAI CUSTOMER SERVICE CENTER AT 1-787-999-3333.

    Campaign 10V457000 on NHTSA.gov

  13. Steering, gear box, shaft sectorSep 20, 2010

    HYUNDAI IS RECALLING CERTAIN MODEL YEAR 2011 SONATA VEHICLES MANUFACTURED FROM DECEMBER 11, 2009, THROUGH SEPTEMBER 10, 2010. ON SOME OF THESE VEHICLES THE STEERING COLUMN INTERMEDIATE SHAFT UNIVERSAL JOINT CONNECTIONS MAY HAVE BEEN EITHER IMPROPERLY ASSEMBLED OR INSUFFICIENTLY TIGHTENED.

    IMPROPER ASSEMBLY OR INSUFFICIENT TIGHTENING OF THE CONNECTIONS COULD RESULT IN A COMPLETE SEPARATION OR COMPROMISED ATTACHMENT OF THE CONNECTIONS, SUCH THAT THE DRIVER COULD EXPERIENCE A LOSS OF, OR REDUCTION IN, STEERING CAPABILITY INCREASING THE RISK OF A CRASH.

    DEALERS WILL INSPECT THE STEERING COLUMN INTERMEDIATE SHAFT UNIVERSAL JOINT CONNECTIONS FOR PROPER ASSEMBLY AND TORQUE. IN ADDITION DEALERS WILL UPDATE THE POWER STEERING SOFTWARE FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING OCTOBER 2010. OWNERS MAY CONTACT HYUNDAI CUSTOMER ASSISTANCE CENTER AT 1-800-633-5151.

    Campaign 10V426000 on NHTSA.gov

  14. Latches/locks/linkages, doors, latchMar 2, 2010

    HYUNDAI-KIA HAS NOTIFIED NHTSA ABOUT A DEFECT IN CERTAIN MODEL YEAR 2011 SONATA VEHICLES MANUFACTURED FROM DECEMBER 11, 2009 THROUGH FEBRUARY 15, 2010. THE FRONT INSIDE DOOR LOCK SWITCH CAN REMAIN IN THE UNLATCHED POSITION.

    THE DOOR MAY NOT BE IN THE LOCKED POSITION AND MAY OPEN WHILE THE VEHICLE IS IN MOTION, POSSIBLY RESULTING IN INJURY TO THE DRIVER OR PASSENGER.

    HYUNDAI-KIA WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES BY REPLACING LATCHES AFFECTED BY THIS RECALL CAMPAIGN FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 12, 2010. OWNERS MAY CONTACT HYUNDAI CUSTOMER ASSISTANCE CENTER AT 1-800-633-5151.

    Campaign 10V070000 on NHTSA.gov

Representative owner complaints: power train

173 reports, newest first. Show all

  1. Power train, Jul 16, 2011

    WHILE BACKING UP MY CAR AT A SLOW SPEED THE CAR ABRUPTLY STOPPED AS IF I HIT A BRICK WALL AND MADE A LOUD CRASHING SOUND. THE INDICATOR LETTERS IN THE DASHBOARD WERE BLANK AND THE SHIFTER GEARS LETTERS WERE NOT ILLUMINATED. CAR WAS ABLE TO GET INTO DRIVE AND WAS PARKED, I TURNED THE MOTOR OFF FOR A FEW MINUTES AND RESTARTED THE CAR. WAS ABLE TO GET IT HOME AND WILL CALL THE DEALER ASAP. *TT

  2. Power train, Jul 2, 2011

    BRAKE SWITCH FAILURE. LEFT CAR IMMOBILE. *TR

  3. Power train, Jun 13, 2011

    I STOPPED BY THE GAS STATION TO FILL UP AND TURNED OFF MY CAR. AFTER FILLING THE GAS TANK I ATTEMPTED TO START MY CAR AND WAS UNABLE TO GET THE CAR OUT OF "PARK." I TRIED MULTIPLE TIMES AND EVEN ASKED THE GAS ATTENDANT TO TRY AND THEY WERE UNABLE TO GET THE VEHICLE OUT OF PARK AS WELL. THIS LASTED FOR ABOUT 10 MINUTES BEFORE I WAS ABLE TO GET THE CAR OUT OF PARK AND PROCEED ON MY WAY. *TR

  4. Power train, Electrical system, Jun 5, 2011

    ONE MORNING WHEN GETTING READY TO GO TO WORK, I TRIED TO START MY 2011 SONATA. I PRESSED ON THE BRAKE, WHICH WAS VERY HARD, PUSHED THE BUTTON BUT THE VEHICLE WOULD NOT START. THE LIGHTS, RADIO AND AIR CONDITIONER WOULD ALL COME ON BUT THE ENGINE WOULD NOT START. THE CAR WAS IN PARK AND THE GEAR SHIFT COULD NOT BE MOVED. I ATTEMPTED MULTIPLE TIMES FOR THE NEXT 10 MINUTES TO START THE VEHICLE BUT WAS UNABLE. MY HUSBAND TRIED PUTTING JUMPER CABLES ON THE BATTERY TO SEE IF THAT WAS THE PROBLEM BUT IT DID NOT START. I WAITED ABOUT 5 MINUTES AND TRIED AGAIN BUT THE VEHICLE STILL WOULD NOT START. FINALLY AFTER ALMOST 20 MINUTES, THE BRAKE PEDAL WAS EASY TO PUSH ON AND THE VEHICLE STARTED. IT CAUSED ME TO BE LATE TO WORK BUT I DID NOT HAVE ANOTHER OCCURRENCE UNTIL ABOUT A WEEK LATER WHEN I HAD BEEN DRIVING FOR SOME TIME AND STOPPED FOR ABOUT 30 MINUTES. I GOT BACK IN THE CAR AND ONCE AGAIN THE BRAKE WAS VERY HARD AND THE VEHICLE WOULD NOT START. AFTER MULTIPLE TIMES OVER THE NEXT 10 MINUTES, IT FINALLY STARTED. *TR

  5. Power train, Apr 25, 2011

    WHILE VERY COLD (IN THE MORNING DURING ALL WINTER) MY 2011 SONATA HAD SHIFTED FROM 3RD TO 4RT GEAR VERY FAST AND I HAD VERY HIGH RPMS. I WAS TOLD THAT I HAVE TO LEAVE MY CAR WITH THEM FOR COUPLE OF DAYS AND THEY DID NOT PROVIDE ME WITH THE LOANER. *TR

  6. Service brakes, Hydraulic, Power train, Apr 24, 2011

    FAILED COMPONENTS: BRAKES & SHIFT GEAR THE BRAKE PEDAL IS NOT WORKING MOST OF THE TIME WHEN SHIFTING THE GEAR FROM PARK TO DRIVE MODE (FOLLOWED BY REVERSE MODE) I NEED TO PRESS THE BRAKE PEDAL VERY HARD UP TO SEVERAL TIMES TO SHIFT THE GEAR. I BROUGHT THE VEHICLE TO THE DEALER AND IT WORKS FINE FOR TWO DAYS. IT STARTED HAPPENING AFTER TWO FIRST SERVICES TO THE VEHICLE BY DEALER. I BROUGHT THE VEHICLE AGAIN TO DEALER AFTER 1 WEEK AND EXPLAINED THE PROBLEM AGAIN. THEY DID SOME TROUBLESHOOTING AGAIN, THEY TOLD ME THAT THEY DIDN'T IDENTIFY THE PROBLEM THIS TIME. I SPOKE WITH HYUNDAI CUSTOMER SUPPORT AND THEY DIRECTED ME TO ANOTHER DEALER AND ASKED ME TO DOCUMENT THE PROBLEM. I TOOK THE VEHICLE TO ANOTHER DEALER AND THEY TOLD ME THAT THIS IS A COMMON ISSUE AND SUGGESTED THAT I UNLOCK THE "SHIFT LOCK" IN CASE OF EMERGENCIES! I TOLD THEM THAT SHIFT LOCK IS ONLY USEFUL IN CASE OF EMERGENCIES. BUT THE BRAKE PEDAL IS NOT RELEASING THE GEAR MOST OF THE TIME WHICH IS NOT ACCEPTABLE. THERE IS NO ANSWER FROM THE DEALER. TRYING TO CONTACT HYUNDAI OFFICIAL SUPPORT BUT NOTHING HEARD BACK FROM THEM AT (AFTER 2 WEEKS.) STATUS UPDATE 02/23/12

  7. Power train, Electrical system, Apr 12, 2011

    MY NEW HYUNDAI SONATA SE 2011 FAIL TO START OR TO TURN OFF ( I HAVE TO RESTART THE CAR IN ORDER TO DO IT). BESIDES THAT ONCE IN A WHILE THE TRANSMISSION INDICATOR DOES NOT SHOW ANY LETTER ON (R OR D OR P OR N).AGAIN,I HAVE TO RESTART THE CAR THEN IT GOES ON NORMALLY.WHEN DRIVING THE TRANSMISSION DOWNSHIFTS ABNORMALLY. *TR

  8. Power train, Apr 5, 2011

    THE TRANSMISSION IN MY 2011 HYUNDAI SONATA HAS FAILED TWICE. THERE IS A SOLENOID PROBLEM. FIRST TIME IT BLEW 2 SOLENOIDS @ 1,400 MILES, FELT LIKE I HIT A CINDER BLOCK THE 2ND TIME @ 2,700 MILES, THE TRANSMISSION BLEW OUT ON A MAJOR HIGHWAY. DEALER ADVISES MULTIPLE 2011 SONATA'S COMING IN WITH SOLENOID ISSUES. *TR

  9. Power train, Feb 23, 2011

    AFTER A FEW DAYS, I HAD PROBLEMS WITH THE TRANSMISSION; LOTS OF DOWNSHIFTING AFFECTING PERFORMANCE AND BRAKING. I HAD OTHER ISSUES AS WELL, WHICH NONE OF THEM COULD BE ISOLATED. HYUNDAI OF NEW PORT RITCHEY SAID THEY COULD NOT FIND AN ERROR CODE IN THE COMPUTER SYSTEM AND THEREFORE, THEY FELT THERE WAS NO PROBLEM. AFTER A FEW DAYS AND JUST A FEW HUNDRED MILES ON THE CAR, I ATTEMPTED TO RETURN THE VEHICLE FOR A REFUND. THE DEALER REFUSED TO TAKE THE CAR BACK AND WOULD NOT RETURN MY MONEY. THEY BASICALLY SAID, YOU PURCHASE IT, YOU PAID FOR IT, YOU OWN IT. SO THE PROBLEM IS MINE.

  10. Steering, Service brakes, Hydraulic, Power train, Tires, Service brakes, Electric, Equipment, Other or unspecified, Electronic stability control (ESC), Traction control system, Feb 11, 2011

    VIBRATION IN STEERING, GRINDING NOISE IN TRANSAXE, LOW TIRE PRESSURE (BY DEALER), REFUSAL TO PERFORM 3,750 MILE MAINTINCE SECDULE (DEALER REFUSED). *TR

  11. Power train, Feb 6, 2011

    HYUNDAI SONATA SE 2011, 630 MILES. WHILE TRAVELING ON AN OPEN STRETCH OF HIGHWAY AT A STEADY SPEED OF 70MPH, THERE WAS A SUDDEN LOUD 'THUMP' SOUND. THE ENTIRE VEHICLE JERKED VIOLENTLY WITH SUDDEN DECELERATION AS IF IT HIT A SOLID OBJECT. DRIVER DID NOT SEE ANY OBSTRUCTION OR IMPERFECTIONS ON THE ROAD PRIOR TO THE NOISE. DRIVER REALIZED THAT THE SPEED WAS ALMOST INSTANTLY REDUCED FROM 70MPH TO ~63MPH. RPMS WERE RACING UNUSUALLY HIGH, AROUND 3000 WHEN TYPICAL OPERATING RANGE IS 2000. DRIVER SHIFTED FROM AUTOMATIC 'DRIVE' GEAR TO SHIFTRONIC AND REALIZED THAT THE TRANSMISSION WAS STUCK IN 4. NEITHER THE MANUAL OR AUTOMATIC TRANSMISSION COULD CHANGE THE GEAR. DRIVER IMMEDIATELY TOOK VEHICLE TO DEALER. DEALER'S SERVICE DEPARTMENT ACKNOWLEDGED THAT THE TRANSMISSION WAS STUCK IN GEAR 4, BUT TECHNICIAN WAS ABLE TO RESET THE TRANSMISSION BY TURNING OFF THE ENGINE AND RESTARTING. BASED ON THE COMPUTERIZED ERROR CODES, DEALER REPLACED THE BODY VALVE HARNESS AND SOLENOID. *TR

  12. Power train, Jan 11, 2011

    WHEN DRIVING AT HIGHWAY SPEED THE CAR MADE A HUGE THUD, IT AUTOMATICALLY SHIFTED FROM 6TH TO 4TH GEAR AND REMAINED STUCK IN FOURTH GEAR UNTIL YOU TURN OFF THE CAR. TOOK CAR TO DEALER AND ENTIRE TRANSMISSION HAD TO BE REPLACED. *TR

  13. Power train, Jan 10, 2011

    I WAS MERGING ONTO A BUSY FREEWAY FROM AN ON RAMP SO HAD TO GO SLOWLY TILL THERE WAS AN OPENING. WHEN I STEPPED ON THE ACCELERATOR WHEN THERE WAS A BREAK IN THE TRAFFIC NOTHING HAPPENED. I JUST ROLLED INTO ONCOMING TRAFFIC AT TEN MILES AN HOUR. IT TOOK THE CAR 5 TO 10 SECONDS TO FINALLY ACCELERATE AND THEN IT SLOWLY GAINED SPEED. THIS IS THE SECOND TIME THIS HAS HAPPENED. VERY SCARY. I DO NOT KNOW WHAT COMPONENT FAILED. THE CAR WAS RUNNING, IT JUST WAS NOT ACCELERATING. TRANSMISSION? ENGINE? SOME COMPUTER FUNCTION?

  14. Power train, Dec 28, 2010

    I RECENTLY PURCHASED 2011 HYUNDAI SONATA 2.0T LIMITED. THE CAR HAS 1200+ MILES ON IT AND I HAVE IT FOR 4+ WEEKS. ONE MAJOR PROBLEM IS THE CAR IS PULLING TO THE LEFT AND THE STEERING WHEEL IS NOT AT ABSOLUTE CENTER. STEERING THIS CAR FEELS VERY HEAVY WHEN I TURN TO THE RIGHT AND VERY LIGHT WHEN I TURN TO THE LEFT. I AM NOT SURE WHAT IS GOING ON AND WHY THIS PROBLEM. CAN YOU PLEASE HELP? I HAVE SUBMITTED AN EMAIL TO HYUNDAI AND WILL BE TAKING THE CAR IN TO THE DEALER THIS WEEK TO HAVE IT CHECKED. VIN = [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

  15. Power train, Dec 23, 2010

    MY 2011 HYUNDAI SONATA TRANSMISSION WENT AFTER 2 MONTHS. THE RPMS WENT HAYWIRE AND IT SWITCH GEARS. I TOOK IT TO THE DEALERSHIP AND CHANGED THE TRANSMISSION. I HOPE THIS DOESN'T HAPPEN AGAIN. HOWEVER I 'M FINDING ALOT ON THE INTERNET IN REFERENCE TO THIS ISSUE. *LN

  16. Power train, Dec 13, 2010

    I OWN A 2011 HYUNDAI SONATA SE. 11000 MILES. ON DECEMBER 11,2010 WHILE ON I-16 IN SAVANNAH, GEORGIA, I WAS DRIVING MY SONATA AND IT FELT LIKE MY FRONT END BOTTOMED OUT. RPMS REVVED UP AND STAYED AT 5000 AND I WAS ONLY TRAVELING AT 65MPH. IT WAS LIKE I WAS STUCK IN 2ND GEAR. GEARS WOULDN'T SHIFT UP OR DOWN. THIS WENT ON FOR 10 MILES. WHEN I SLOWED AND ACCELERATED IT WAS VERY HESITANT. I STOPPED THE CAR AND TURNED THE IGNITION OFF FOR 20 MINUTES. WHEN I STARTED IT AGAIN, IT SHIFTED NORMALLY. NO OTHER OCCURRENCES SINCE THEN. *TR

  17. Power train, Dec 11, 2010

    ON 12/2/2010, I WAS DRIVING AT HIGHWAY SPEED (APPROXIMATELY 60 MPH) AND THE CAR VIOLENTLY JOLTED, AS IF I HAD RUN OVER A LARGE OBJECT. IF I HAD NOT HAD BOTH HANDS ON THE STEERING WHEEL, I MIGHT HAVE LOST CONTROL OF THE VEHICLE. SUBSEQUENTLY, I WAS ABLE TO DRIVE THE VEHICLE, BUT IT SEEMED TO BE OVER-REVVING, AS IF IT WAS STUCK IN THE WRONG GEAR. I RETURNED THE VEHICLE TO THE DEALERSHIP THAT NIGHT. AFTER READING THE COMPUTER ERROR CODE, THE SERVICE MANAGER INDICATED THAT THEY WOULD HAVE TO REPLACE THE TRANSMISSION. I WAS PROVIDED WITH A LOANER VEHICLE. ON 12/8/10, I RECEIVED A CALL FROM THE SERVICE MANAGER. HE STATED THAT IN THESE CIRCUMSTANCE, THE TRANSMISSION IS TYPICALLY REPLACED WITH A REBUILT TRANSMISSION WITH A NEW HOUSING. HE INDICATED THAT THE DEALERSHIP WAS TRYING TO OBTAIN A NEW TRANSMISSION FOR ME. THEY WERE EXPERIENCING DIFFICULTY BECAUSE THERE WAS 80 SOME REQUESTS FOR NEW TRANSMISSIONS AND ONLY 70 SOME AVAILABLE (COUNTY?, STATE?, CENTRAL FLORIDA?) UPDATED 01/20/11 *BF

  18. Power train, Nov 11, 2010

    I WAS DRIVING MY 2011 HYUNDAI SONATA SE. I WAS TRAVELING AT 45 MPH WHEN THE CAR SHUTTERED MADE A LOUD "CLUNKING" NOISE AND DOWNSHIFTED INTO 4TH GEAR. CAR WOULD THEN FAIL TO SHIFT INTO 5TH OR 6TH GEAR. WOULD NOT ACCELERATE TO HIGHWAY SPEEDS. I HAD THE CAR TOWED TO THE DEALER. THEY COULD NOT REPLICATE THE PROBLEM BUT DID FIND CODE DTC PO0748. THE DEALER REPLACED THE TRANSMISSION AT THE MANUFACTURES DIRECTION. THE VEHICLE WAS ONE MONTH OLD AND HAD 2121 MILES ON IT. *TR

  19. Power train, Oct 4, 2010

    EL HYUNDAI SONATA 2011 CUANDO ES K LO VAN A RECOJER ?TENGO UNO CON EL PROBLEMA DE LA DIRECCION,YA LO LLEVE AL DEALER SUPUESTAMENTE LO ARREGLARON Y AHORA ESTA PEOR Y ELLOS NO ME DAN INFORMACION DE CUANDO LO SACAN DE CIRCULACION DICEN NO ESTAN ENTERADOS DE NADA, POR FAVOR AYUDENME,CONDUSCO CON 3 NINAS,GRACIAS. *TR

  20. Power train, Sep 27, 2010

    TL* THE CONTACT OWNS A 2011 HYUNDAI SONATA. THE CONTACT STATED WHILE HE STOPPED ON AN INCLINE, HE SHUT THE VEHICLE OFF WHILE IT WAS SHIFTED INTO DRIVE AND REMOVED THE KEY FROM THE IGNITION. ONCE HE EXITED THE VEHICLE, IT BEGAN TO ROLL FORWARD INDEPENDENTLY. THE CONTACT RE-ENTERED THE VEHICLE AND WAS ABLE TO SHIFT INTO PARK TO STOP THE VEHICLE FROM ROLLING AWAY. AN AUTHORIZED DEALER WAS NOTIFIED AND HE WAS INFORMED THE VEHICLE WAS FUNCTIONING AS NORMAL. THE VEHICLE WAS NOT REPAIRED AND THE FAILURE CONTINUED TO RECUR INTERMITTENTLY. THE FAILURE MILEAGE WAS 1,500 AND THE CURRENT MILEAGE WAS 5,200.

  21. Power train, Electrical system, Sep 20, 2010

    OVER THE PAST 3 DAYS I HAVE BEEN UNABLE TO DEPRESS THE BRAKE PEDAL AND START MY CAR WITH THE ELECTRONIC STARTING SYSTEM. THE PROBLEM IS INTERMITTENT AND THE TIME FRAME VARIED FROM 2 MINUTES TO 15 MINUTES BEFORE THE CAR WOULD START.I CALLED MY DEALER TO MAKE A SERVICE APPOINTMENT ANT THE SERVICE DEPARTMENT COMMENTED THEY NEVER HEARD OF THIS BEFORE BUT I SEE OTHER COMPLAINTS ONLINE. BESIDES THE DANGER OF BEING STUCK SOMEWHERE I AM CONCERNED THAT THE BRAKED MAY NOT WORK FOR STOPPING OR A FIRE IF IT IS ELECTRICAL. *TR

  22. Power train, Sep 12, 2010

    WHILE DRIVING MY NEW 2011 HYUNDAI SONATA GLS SEDAN WITH 200 MILES ON THE ODOMETER, THE TRANSMISSION FAILED COMPLETELY WHEN A TRANSMISSION HOSE BLEW OFF RELEASING ALL THE OIL OUT OF THE TRANSMISSION. ONCE AT THE DEALERSHIP THEY SHOWED ME THAT HOSE CLAMP FOR THE HOSE HAD NEVER BEEN ATTACHED CORRECTLY AT THE FACTORY! THE CAR IS AT THE DEALERSHIP FOR REPAIRS. IT IS NOT KNOW AT THIS TIME IF THE TRANSMISSION HAS BEEN DAMAGED DUE TO THE LOSS OF OIL. WE WERE NOT HURT AND DIDN'T LOSE CONTROL OF THE CAR. THIS INCIDENT OCCURRED ON A FLAT PIECE OF HIGHWAY, SHOULD IT OCCURRED IN HILLY TERRAIN OR PASSING ANOTHER VEHICLE THE RESULTS COULD HAVE BEEN MUCH DIFFERENT SINCE THE CAR BECAME INOPERABLE. VERY DISAPPOINTING SINCE THE CAR HAD ONLY 200 MILES ON IT! *TR

  23. Power train, Jul 20, 2010

    TL*THE CONTACT OWNS A 2011 HYUNDAI SONATA. THE CONTACT STATED THAT THE GEAR SELECTOR WAS PLACED INTO THE PARK POSITION; HOWEVER, THE WARNING LIGHT DISPLAYED THAT THE GEAR WAS NOT WHICH MADE IT IMPOSSIBLE FOR THE AUTOMATIC DOORS TO LOCK. THE FAILURE OCCURRED INTERMITTENTLY. THE "PARK" WARNING INDICATOR WOULD CORRECT ITSELF AFTER THE VEHICLE WAS IN OPERATION OR WHEN THE ENGINE WAS TURNED OFF. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSIS. THE TECHNICIAN STATED THAT THE FAILURE WAS RELATED TO THE GEAR SHIFT. THE PART WAS UNAVAILABLE. THE VEHICLE WAS NOT REPAIRED WHEN THE COMPLAINT WAS FILED. THE FAILURE MILEAGE WAS APPROXIMATELY 500. THE VIN WAS UNAVAILABLE.