BRAKES ARE SPONGY. 63000 MILES. BRAKE PADS ARE AT 70% ON THE BACK AND 50% ON THE FRONT. BRAKE FLUID LEVEL IS OK. WHEN USING THE BRAKE PEDAL IT SEEMS TO COME TO A STOP AND THEN I AM ABLE TO PUSH DOWN MORE. PUSHING DOWN MORE IS WHAT IS REQUIRED TO STOP THEVEHICLE.
2010 Hyundai Genesis
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2010 Hyundai Genesis do not stand out strongly from the model-year median of 109.
About this comparison →How this year compares
Owner complaints by model year
Compare all Genesis years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
77 reports with mileage · 11 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes. Review the 25 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Exterior Lighting. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
88 reportsAS I WAS DRIVING, THE GROUND BECAME UNLEVELED, I TRIED TO SLOW DOWN MY SPEED AND I EXPERIENCED BRAKE FAILURE. MY BRAKE PEDAL SUNK DOWN TO THE FLOOR BEFORE MY CAR WOULD COME TO A COMPLETE STOP. FOR TWO MONTHS MY CAR HAS BEEN IN AND OUT OF HYUNDAI DEALERSHIPS TRYING TO FIGURE OUT THE ISSUE, ALL THE WHILE CHARGING ME FOR TEST, AND …
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AS I WAS DRIVING, THE GROUND BECAME UNLEVELED, I TRIED TO SLOW DOWN MY SPEED AND I EXPERIENCED BRAKE FAILURE. MY BRAKE PEDAL SUNK DOWN TO THE FLOOR BEFORE MY CAR WOULD COME TO A COMPLETE STOP. FOR TWO MONTHS MY CAR HAS BEEN IN AND OUT OF HYUNDAI DEALERSHIPS TRYING TO FIGURE OUT THE ISSUE, ALL THE WHILE CHARGING ME FOR TEST, AND NO ONE CAN CORRECT THIS ISSUE. IT'S NOW 2 1/2 MONTHS AND I'M STILL WITHOUT MY CAR. I NEED FOR HYUNDAI TO BE HELD ACCOUNTABLE. *TR
TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. WHILE DRIVING 25 MPH, THE BRAKES MALFUNCTIONED. THE CONTACT HAD TO DEPRESS THE BRAKE PEDAL TO THE FLOORBOARD IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 16,000.
I WAS DRIVING MY VEHICLE TURNING ON TO A MAIN STREET FROM A HIGHWAY. WITHOUT WARNING THE CAR ENTERED LIMP MODE. I DID NOT HAVE ANY ENGINE RESPONSE AND THE CAR WOULD NOT DO MORE THAN ABOUT 10 MILES AN HOUR. I PULLED OFF THE ROAD AND RESTARTED THE CAR. I WAS ABLE TO GET THE CAR TO THE DEALERSHIP. DEALERSHIP SAYS CAR HAS CODES FOR …
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I WAS DRIVING MY VEHICLE TURNING ON TO A MAIN STREET FROM A HIGHWAY. WITHOUT WARNING THE CAR ENTERED LIMP MODE. I DID NOT HAVE ANY ENGINE RESPONSE AND THE CAR WOULD NOT DO MORE THAN ABOUT 10 MILES AN HOUR. I PULLED OFF THE ROAD AND RESTARTED THE CAR. I WAS ABLE TO GET THE CAR TO THE DEALERSHIP. DEALERSHIP SAYS CAR HAS CODES FOR FAULTY THROTTLE POSITION SENSOR AND IT NEED TO BE REPLACED. I HAVE SEEN OTHER PEOPLE WITH A SIMILAR ISSUE.
HEADLIGHTS FLICKER ON AND OFF WHEN USING TURN SIGNALS. THEY WILL GO OFF FOR AS LONG AS TWO SECONDS AND THEN COME BACK ON. VERY UNSAFE WHEN DRIVING AT NIGHT. THIS WILL HAPPEN WHEN THE VEHICLE IS IN MOTION AND ALSO WHEN ON STOPPED POSITION WAITING TO MAKE TURN.
TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. THE CONTACT STATED THAT WHILE DRIVING AT ANY SPEED DURING NIGHT, WHEN USING THE TURNING SIGNALS THE HEAD LIGHTS TURNED OFF INTERMITTENTLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS REPAIRED BUT THE FAILURE RECURRED. THE CONTACT WAS UNAWARE OF WHAT WAS REPLACED. THE MANUFACTURE…
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TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. THE CONTACT STATED THAT WHILE DRIVING AT ANY SPEED DURING NIGHT, WHEN USING THE TURNING SIGNALS THE HEAD LIGHTS TURNED OFF INTERMITTENTLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS REPAIRED BUT THE FAILURE RECURRED. THE CONTACT WAS UNAWARE OF WHAT WAS REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE MANUFACTURER. THE FAILURE MILEAGE WAS APPROXIMATELY 110,000.
WHILE DRIVING ON HIGHWAY I-10 W WAS DRIVING AT 65 MPH, HAD TO BRAKE TO SLOW DOWN TO ABOUT 10 MPH BEHIND TRAFFIC THAT WAS SLOWING DOWN AND CAME TO COMPLETE HALT WITH FOOT ON BRAKE. WHEN TRAFFIC CLEARED, ON RELEASING BRAKE AND TRYING TO ACCELERATE AGAIN THE CAR WOULD NOT ENGAGE IN ANY GEAR. BROUGHT THE CAR TO PARK POSITION AND TUR…
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WHILE DRIVING ON HIGHWAY I-10 W WAS DRIVING AT 65 MPH, HAD TO BRAKE TO SLOW DOWN TO ABOUT 10 MPH BEHIND TRAFFIC THAT WAS SLOWING DOWN AND CAME TO COMPLETE HALT WITH FOOT ON BRAKE. WHEN TRAFFIC CLEARED, ON RELEASING BRAKE AND TRYING TO ACCELERATE AGAIN THE CAR WOULD NOT ENGAGE IN ANY GEAR. BROUGHT THE CAR TO PARK POSITION AND TURNED OFF ENGINE AND TRIED TO RESTART THE CAR, THE CAR WOULD CONTINUE TO BE ON STARTER MODE EVEN THOUGH THE ENGINE HAD STARTED. AFTER SEVERAL TRIES THE CAR RESTARTED BUT THE GEAR WOULD NOT ENGAGE. MOVED THE SHIFT TO SHIFTRONIC MODE BUT THE CAR WOULD STILL NOT ENGAGE IN ANY GEAR. HAD TO CALL IN A TOW COMPANY AND WAIT IN THE CAR FOR OVER 30 MINUTES OF HARROWING EXPERIENCE IN AN UNSAFE SITUATION. CAR WAS TOWED TO THE DEALERSHIP. THEY HAVE BEEN UNABLE TO REPLICATE THE PROBLEM. THIS IS THE 4 INSTANCE WHEN THE CAR HAS STALLED IN THE MIDDLE OF TRAFFIC IN A HIGHLY UNSAFE SITUATION. THE CAR DEALERS RESPONSE HAS BEEN UNSATISFACTORY. WONDER IF THEY HAVE CONTACTED THE MANUFACTURER ABOUT THIS HIGHLY UNSAFE FAILURE IN THE CAR. NUMBER OF PEOPLE ARE ON THE ROAD WITH RISK OF A SERIOUS ACCIDENT.
HYUNDAI IS HAVING A REAL ISSUE WITH THEIR FUEL PUMPS. MY CAR IS CURRENTLY IN THE SHOP FOR ITS 3RD FUEL PUMP AT 120K MILES. THE SAFETY ISSUE IS HOW THE PUMP GOES OUT WITH NO INDICATION OF AN ISSUE FROM THE CAR AT ALL. THIS TIME I WAS PARKED AT A GAS STATION, HOWEVER THE 2ND INCIDENT IS MORE CONCERNING. THEN, I WAS TRAVELING ON…
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HYUNDAI IS HAVING A REAL ISSUE WITH THEIR FUEL PUMPS. MY CAR IS CURRENTLY IN THE SHOP FOR ITS 3RD FUEL PUMP AT 120K MILES. THE SAFETY ISSUE IS HOW THE PUMP GOES OUT WITH NO INDICATION OF AN ISSUE FROM THE CAR AT ALL. THIS TIME I WAS PARKED AT A GAS STATION, HOWEVER THE 2ND INCIDENT IS MORE CONCERNING. THEN, I WAS TRAVELING ON THE HIGHWAY AT APPROX. 70-75 MPH. WITHOUT WARNING, THE ENGINE STOPPED AND OF COURSE SO ALL OF THE OTHER CONTROLS FROM THE ENGINE. BECAUSE I HAD A FULL LOSS OF POWER, I WAS LUCKY THAT THERE WERE NO CARS IN THE INSIDE LANE AND I COULD MOVE OVER IN TIME TO GET TO THE SIDE SHOULDER. I LITERALLY COASTED TO THE SHOULDER AT 20 MPH. IF I HADN'T BEEN ABLE TO GET TO THE SHOULDER, I WOULD HAVE BEEN STUCK IN THE MIDDLE OF A 4 LANE HIGHWAY WITH NO WAY TO MOVE THE CAR.
AS I WAS DRIVING DOWN A MAJOR STREET TRAVELING AROUND 35 MPH, THE CAR IN FRONT OF ME BEGAN TO STOP. AS I BEGAN TO APPLY THE BRAKES, MY CAR'S PEDAL WENT TO THE FLOOR. I PUMPED THE BRAKES A FEW TIMES AND BEGAN TO GET SOME PRESSURE, BUT I WAS NOT ABLE TO STOP IN TIME BEFORE REAR ENDING THE CAR IN FRONT OF ME. I NEVER KNEW WHAT TH…
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AS I WAS DRIVING DOWN A MAJOR STREET TRAVELING AROUND 35 MPH, THE CAR IN FRONT OF ME BEGAN TO STOP. AS I BEGAN TO APPLY THE BRAKES, MY CAR'S PEDAL WENT TO THE FLOOR. I PUMPED THE BRAKES A FEW TIMES AND BEGAN TO GET SOME PRESSURE, BUT I WAS NOT ABLE TO STOP IN TIME BEFORE REAR ENDING THE CAR IN FRONT OF ME. I NEVER KNEW WHAT THE ISSUE WAS AND I COULDN'T GET THE PROBLEM TO DUPLICATE, BUT THE BRAKE PEDAL WAS SOFT SINCE THAT DAY. I HAVE CHANGED THE PADS, AND ROTORS, SO THOSE ARE NOT THE ISSUE. THIS WEEK, MY FUEL PUMP WENT OUT AND I TOOK THE CAR TO THE MECHANIC FOR THAT ISSUE. MY MECHANIC INFORMED ME THAT THE CAR NEEDED AN ABS PUMP. THE DEALERS ARE WELL AWARE OF THE ISSUE BECAUSE WHEN WE CHECKED THE PRICE OF THE PART ($2600), THE PARTS AGENT IMMEDIATELY KNEW THE PROBLEM. THERE ARE NUMEROUS COMPLAINTS ONLINE ABOUT THE EXACT SAME ISSUE. THIS IS TRULY A SAFETY ISSUE FOR THESE CARS. THERE ARE MANY COMPLAINTS ONLINE WITH THE SAME PROBLEM!!!!!!!
TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE FAILED TO RESTART AND WAS TOWED TO THE DEALER. THE MECHANIC WAS UNABLE TO LOCATE THE FAILURE. THE FAILURE RECURRED THREE DAYS LATER. THE VEHICLE WAS TOWED BACK TO THE DEALER FOR A SECOND TIME. THE VEH…
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TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE FAILED TO RESTART AND WAS TOWED TO THE DEALER. THE MECHANIC WAS UNABLE TO LOCATE THE FAILURE. THE FAILURE RECURRED THREE DAYS LATER. THE VEHICLE WAS TOWED BACK TO THE DEALER FOR A SECOND TIME. THE VEHICLE WAS IN THE PROCESS OF BEING DIAGNOSED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 75,000.
Official recalls
314V713000 · Exterior Lighting:brake Lights:switch
Nov 7, 2014
Hyundai Motor America (Hyundai) is recalling certain 2009-2011 Hyundai Genesis vehicles manufactured April 30, 2008, to November 21, 2010, and 2011 Hyundai Equus vehicles manufactured July 31, 2010, to November 21, 2010. Due to a circuit failure, the stop lamps in the affected vehicles may not illuminate.
Consequence & remedy
Consequence: A following vehicle may not recognize that the vehicle is slowing or coming to a stop if the stop lamps on the vehicle do not illuminate as expected. There is an increased risk of a rear-end crash as a result.
Remedy: Hyundai will notify owners, and dealers will repair the stop lamp switch circuit, free of charge. Hyundai issued an interim notification to owners on January 6, 2015. The recall began on March 23, 2015. Owners may contact Hyundai customer service at 1-855-671-3059. Hyundai's number for this recall is 125.
13V489000 · Service Brakes, Hydraulic:fluid
Oct 29, 2013
Hyundai is recalling certain model year 2009-2012 Genesis vehicles manufactured April 30, 2008, through March 28, 2012. The vehicles may contain brake fluid which does not protect against corrosion of the Hydraulic Electronic Control Unit (HECU).
Consequence & remedy
Consequence: If the module corrodes, reduced brake effectiveness may result, increasing the risk of a crash.
Remedy: Hyundai will notify owners and instruct them to bring their vehicle to a dealer for service. Hyundai will inspect the HECU module for proper operation, and will replace the modules as necessary. Hyundai will replace the factory brake fluid in those vehicles that have not previously had the factory brake fluid replaced. These repairs will be done free of charge. The recall began on December 24, 2013. Owners may contact Hyundai at 1-800-633-5151 or by email at consumeraffairs@hmausa.com. Hyundai's recall number is 114.
13V113000 · Exterior Lighting:brake Lights:switch
Apr 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.
Consequence & remedy
Consequence: 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.
Remedy: 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.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1PE13033 · Brake Hydraulic Control Module Failure
Opened Oct 17, 2013 · Closed Apr 4, 2014
Status: closed (inferred from source dates) · Service Brakes, Hydraulic; Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip; Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module
On October 28, 2013, Hyundai Motor Company (Hyundai) submitted a Defect Information Report (DIR) to NHTSA describing a safety defect in the braking system of approximately 43,500 model year (MY) 2009 through 2012 Hyundai Genesis sedans (NHTSA Recall No. 13V-489).The Hyundai report indicates that the recalled vehicles may contain brake fluid that does not sufficiently inhibit corrosion on the zinc plating of control valve armatures in the Hydraulic Electronic Control Unit (HECU) module. The DIR indicated that, over time, the build-up of corrosion products may affect operation of HECU control valves, resulting in a low/soft brake pedal with reduced brake effectiveness, which may increase the risk of a crash.In October 2011, the HECU supplier notified Hyundai that the brake fluid used in production plants was causing corrosion of valve armatures in the control module.The supplier changed the coating of the valve armatures in late March 2012 to correct the problem in production vehicles.Hyundai's recall includes Genesis vehicles produced prior to the implementation of the HECU change.In March 2013, Hyundai initiated a Service Campaign (TL6) to replace brake fluid in the subject vehicles with brake fluid with better corrosion resistance properties.According to Hyundai's DIR letter, after PE13-033 was opened, the company noted that some of the vehicles serviced in the TL6 campaign subsequently required HECU replacement.This was an indication that internal corrosion had progressed enough to affect valve operation and brake performance, prompting Hyundai to conduct a safety recall.Hyundai's repair procedures for 13V-489 require brake system flushing and replacement in all recalled vehicles with a new fluid containing the necessary corrosion inhibitor.In addition, for vehicles produced prior to June 1, 2010, dealers will perform an inspection procedure to verify that the HECU is functioning properly and replace units that do not meet the test requirements.Hyundai indicated that, based on analysis of claim data, only vehicles produced prior to June 1, 2010 have been in service long enough to require the additional inspection/replacement of the HECU. Analysis of failure data reported to NHTSA and provided by Hyundai in response to ODI's information request letter for PE13-033 identified 756 complaints and 1,683 warranty claims for 30,114 subject vehicles produced prior to June 1, 2010, resulting in a complaint rate of 25.1 incidents per thousand vehicles (IPTV) and a claim rate of 5.6 percent.The MY 2009 vehicles, with the longest exposure times, experienced the highest complaint (33.5 IPTV) and warranty (7.0 percent) rates.For the 45,639 subject vehicles produced after June 1, 2010, ODI identified 13 complaints and 34 warranty claims, resulting in a complaint rate of 0.3 IPTV and a warranty claim rate of 0.1 percent, indicating that the brake fluid corrosion concern had not progressed far enough to result in significant rates of brake system performance symptoms in those vehicles.This investigation is closed.ODI will continue to monitor complaints to evaluate the effectiveness of Hyundai's recall.The VOQs noted in the Failure Report are: 10569231, 10560898, 10560495, 10559360, 10558279, 10558264, 10556964, 10556631, 10556577, 10556322, 10554988, 10554802, 10554122, 10552958, 10551817, 10551157, 10551110, 10551092, 10550791, 10550773, 10550431, 10549750, 10549634, 10549629, 10549567, 10549402, 10549376, 10549270, 10549228, 10549186, 10549021, 10548903, 10548823, 10548791, 10548737, 10548722, 10548716, 10548705, 10546565, 10544803, 10543663, 10542962, 10541959, 10541741, 10538208, 10537934, 10536652, 105354
Additional source detail variants (3)
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module
On October 28, 2013, Hyundai Motor Company (Hyundai) submitted a Defect Information Report (DIR) to NHTSA describing a safety defect in the braking system of approximately 43,500 model year (MY) 2009 through 2012 Hyundai Genesis sedans (NHTSA Recall No. 13V-489).The Hyundai report indicates that the recalled vehicles may contain brake fluid that does not sufficiently inhibit corrosion on the zinc plating of control valve armatures in the Hydraulic Electronic Control Unit (HECU) module. The DIR indicated that, over time, the build-up of corrosion products may affect operation of HECU control valves, resulting in a low/soft brake pedal with reduced brake effectiveness, which may increase the risk of a crash.In October 2011, the HECU supplier notified Hyundai that the brake fluid used in production plants was causing corrosion of valve armatures in the control module.The supplier changed the coating of the valve armatures in late March 2012 to correct the problem in production vehicles.Hyundai's recall includes Genesis vehicles produced prior to the implementation of the HECU change.In March 2013, Hyundai initiated a Service Campaign (TL6) to replace brake fluid in the subject vehicles with brake fluid with better corrosion resistance properties.According to Hyundai's DIR letter, after PE13-033 was opened, the company noted that some of the vehicles serviced in the TL6 campaign subsequently required HECU replacement.This was an indication that internal corrosion had progressed enough to affect valve operation and brake performance, prompting Hyundai to conduct a safety recall.Hyundai's repair procedures for 13V-489 require brake system flushing and replacement in all recalled vehicles with a new fluid containing the necessary corrosion inhibitor.In addition, for vehicles produced prior to June 1, 2010, dealers will perform an inspection procedure to verify that the HECU is functioning properly and replace units that do not meet the test requirements.Hyundai indicated that, based on analysis of claim data, only vehicles produced prior to June 1, 2010 have been in service long enough to require the additional inspection/replacement of the HECU. Analysis of failure data reported to NHTSA and provided by Hyundai in response to ODI's information request letter for PE13-033 identified 756 complaints and 1,683 warranty claims for 30,114 subject vehicles produced prior to June 1, 2010, resulting in a complaint rate of 25.1 incidents per thousand vehicles (IPTV) and a claim rate of 5.6 percent.The MY 2009 vehicles, with the longest exposure times, experienced the highest complaint (33.5 IPTV) and warranty (7.0 percent) rates.For the 45,639 subject vehicles produced after June 1, 2010, ODI identified 13 complaints and 34 warranty claims, resulting in a complaint rate of 0.3 IPTV and a warranty claim rate of 0.1 percent, indicating that the brake fluid corrosion concern had not progressed far enough to result in significant rates of brake system performance symptoms in those vehicles.This investigation is closed.ODI will continue to monitor complaints to evaluate the effectiveness of Hyundai's recall.The VOQs noted in the Failure Report are: 10569231, 10560898, 10560495, 10559360, 10558279, 10558264, 10556964, 10556631, 10556577, 10556322, 10554988, 10554802, 10554122, 10552958, 10551817, 10551157, 10551110, 10551092, 10550791, 10550773, 10550431, 10549750, 10549634, 10549629, 10549567, 10549402, 10549376, 10549270, 10549228, 10549186, 10549021, 10548903, 10548823, 10548791, 10548737, 10548722, 10548716, 10548705, 10546565, 10544803, 10543663, 10542962, 10541959, 10541741, 10538208, 10537934, 10536652, 105354
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip
On October 28, 2013, Hyundai Motor Company (Hyundai) submitted a Defect Information Report (DIR) to NHTSA describing a safety defect in the braking system of approximately 43,500 model year (MY) 2009 through 2012 Hyundai Genesis sedans (NHTSA Recall No. 13V-489).The Hyundai report indicates that the recalled vehicles may contain brake fluid that does not sufficiently inhibit corrosion on the zinc plating of control valve armatures in the Hydraulic Electronic Control Unit (HECU) module. The DIR indicated that, over time, the build-up of corrosion products may affect operation of HECU control valves, resulting in a low/soft brake pedal with reduced brake effectiveness, which may increase the risk of a crash.In October 2011, the HECU supplier notified Hyundai that the brake fluid used in production plants was causing corrosion of valve armatures in the control module.The supplier changed the coating of the valve armatures in late March 2012 to correct the problem in production vehicles.Hyundai's recall includes Genesis vehicles produced prior to the implementation of the HECU change.In March 2013, Hyundai initiated a Service Campaign (TL6) to replace brake fluid in the subject vehicles with brake fluid with better corrosion resistance properties.According to Hyundai's DIR letter, after PE13-033 was opened, the company noted that some of the vehicles serviced in the TL6 campaign subsequently required HECU replacement.This was an indication that internal corrosion had progressed enough to affect valve operation and brake performance, prompting Hyundai to conduct a safety recall.Hyundai's repair procedures for 13V-489 require brake system flushing and replacement in all recalled vehicles with a new fluid containing the necessary corrosion inhibitor.In addition, for vehicles produced prior to June 1, 2010, dealers will perform an inspection procedure to verify that the HECU is functioning properly and replace units that do not meet the test requirements.Hyundai indicated that, based on analysis of claim data, only vehicles produced prior to June 1, 2010 have been in service long enough to require the additional inspection/replacement of the HECU. Analysis of failure data reported to NHTSA and provided by Hyundai in response to ODI's information request letter for PE13-033 identified 756 complaints and 1,683 warranty claims for 30,114 subject vehicles produced prior to June 1, 2010, resulting in a complaint rate of 25.1 incidents per thousand vehicles (IPTV) and a claim rate of 5.6 percent.The MY 2009 vehicles, with the longest exposure times, experienced the highest complaint (33.5 IPTV) and warranty (7.0 percent) rates.For the 45,639 subject vehicles produced after June 1, 2010, ODI identified 13 complaints and 34 warranty claims, resulting in a complaint rate of 0.3 IPTV and a warranty claim rate of 0.1 percent, indicating that the brake fluid corrosion concern had not progressed far enough to result in significant rates of brake system performance symptoms in those vehicles.This investigation is closed.ODI will continue to monitor complaints to evaluate the effectiveness of Hyundai's recall.The VOQs noted in the Failure Report are: 10569231, 10560898, 10560495, 10559360, 10558279, 10558264, 10556964, 10556631, 10556577, 10556322, 10554988, 10554802, 10554122, 10552958, 10551817, 10551157, 10551110, 10551092, 10550791, 10550773, 10550431, 10549750, 10549634, 10549629, 10549567, 10549402, 10549376, 10549270, 10549228, 10549186, 10549021, 10548903, 10548823, 10548791, 10548737, 10548722, 10548716, 10548705, 10546565, 10544803, 10543663, 10542962, 10541959, 10541741, 10538208, 10537934, 10536652, 105354
Service Brakes, Hydraulic
On October 28, 2013, Hyundai Motor Company (Hyundai) submitted a Defect Information Report (DIR) to NHTSA describing a safety defect in the braking system of approximately 43,500 model year (MY) 2009 through 2012 Hyundai Genesis sedans (NHTSA Recall No. 13V-489).The Hyundai report indicates that the recalled vehicles may contain brake fluid that does not sufficiently inhibit corrosion on the zinc plating of control valve armatures in the Hydraulic Electronic Control Unit (HECU) module. The DIR indicated that, over time, the build-up of corrosion products may affect operation of HECU control valves, resulting in a low/soft brake pedal with reduced brake effectiveness, which may increase the risk of a crash.In October 2011, the HECU supplier notified Hyundai that the brake fluid used in production plants was causing corrosion of valve armatures in the control module.The supplier changed the coating of the valve armatures in late March 2012 to correct the problem in production vehicles.Hyundai's recall includes Genesis vehicles produced prior to the implementation of the HECU change.In March 2013, Hyundai initiated a Service Campaign (TL6) to replace brake fluid in the subject vehicles with brake fluid with better corrosion resistance properties.According to Hyundai's DIR letter, after PE13-033 was opened, the company noted that some of the vehicles serviced in the TL6 campaign subsequently required HECU replacement.This was an indication that internal corrosion had progressed enough to affect valve operation and brake performance, prompting Hyundai to conduct a safety recall.Hyundai's repair procedures for 13V-489 require brake system flushing and replacement in all recalled vehicles with a new fluid containing the necessary corrosion inhibitor.In addition, for vehicles produced prior to June 1, 2010, dealers will perform an inspection procedure to verify that the HECU is functioning properly and replace units that do not meet the test requirements.Hyundai indicated that, based on analysis of claim data, only vehicles produced prior to June 1, 2010 have been in service long enough to require the additional inspection/replacement of the HECU. Analysis of failure data reported to NHTSA and provided by Hyundai in response to ODI's information request letter for PE13-033 identified 756 complaints and 1,683 warranty claims for 30,114 subject vehicles produced prior to June 1, 2010, resulting in a complaint rate of 25.1 incidents per thousand vehicles (IPTV) and a claim rate of 5.6 percent.The MY 2009 vehicles, with the longest exposure times, experienced the highest complaint (33.5 IPTV) and warranty (7.0 percent) rates.For the 45,639 subject vehicles produced after June 1, 2010, ODI identified 13 complaints and 34 warranty claims, resulting in a complaint rate of 0.3 IPTV and a warranty claim rate of 0.1 percent, indicating that the brake fluid corrosion concern had not progressed far enough to result in significant rates of brake system performance symptoms in those vehicles.This investigation is closed.ODI will continue to monitor complaints to evaluate the effectiveness of Hyundai's recall.The VOQs noted in the Failure Report are: 10569231, 10560898, 10560495, 10559360, 10558279, 10558264, 10556964, 10556631, 10556577, 10556322, 10554988, 10554802, 10554122, 10552958, 10551817, 10551157, 10551110, 10551092, 10550791, 10550773, 10550431, 10549750, 10549634, 10549629, 10549567, 10549402, 10549376, 10549270, 10549228, 10549186, 10549021, 10548903, 10548823, 10548791, 10548737, 10548722, 10548716, 10548705, 10546565, 10544803, 10543663, 10542962, 10541959, 10541741, 10538208, 10537934, 10536652, 105354
Illustration