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2009 Hyundai Genesis

Owner reports · Recalls · Investigations

More warning signs than most Genesis years

Owner complaints for the 2009 Hyundai Genesis are substantially higher than the model-year median of 109.

About this comparison →

When problems were reported

Mileage at the reported incident

207 reports with mileage · 27 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 110 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

15 crash reports2 fire reports3 injury reports

Unknown Or Other complaints

22 reports
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Mileage unknown · Aug 15, 2025
Unknown Or Other

Light on the dash showing "airbags" is lighting up for the first time since I've owned this vehicle. I remember there being a recall regarding a switch or something pertaining to the airbags sometime in the past, but not sure if this was the concern (airbag light on dash lighting up).

NHTSA ODI #11680903

Mileage unknown · Feb 9, 2023
EngineUnknown Or Other

Coolant leaking from back of the Engine block on 2009 Hyundai Genesis 3.8 sedan with 67000 miles..

NHTSA ODI #11506417

Mileage unknown · Sep 20, 2021
Unknown Or Other

I am sending this email in regards to my dashboard cracking around the airbag. It looks like someone has taken a box cuter and sliced my dashboard. Everyday, I notice more and more cracks. Now I am at three cracks (one was small and now it has spread) I am from southern California and my car is parked outside with windows cra…

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I am sending this email in regards to my dashboard cracking around the airbag. It looks like someone has taken a box cuter and sliced my dashboard. Everyday, I notice more and more cracks. Now I am at three cracks (one was small and now it has spread) I am from southern California and my car is parked outside with windows cracked half way with a window shade for my front window. I am concerned about this as I do have passengers in my car and not sure if the airbags will deploy or not. Looks like this is a problem as looking at the Hyundai dashboard, there are many concerns. Hopefully I will hear back from you soon to see what can be done about this problem. I would hate for the airbag to deploy and someone can get hurt or killed. I am providing you with photos..

NHTSA ODI #11433700

Mileage unknown · Aug 7, 2021
Unknown Or Other

Brake unit failure. Car brake pedal became soft, needs to be pressed to the floor to get the car to stop...and even then it does not stop fast enough to be safe. Online research shows that this is a known issue for this model and Hyundai has been covering the cost for this as it is attributed to a part installed at the factory. …

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Brake unit failure. Car brake pedal became soft, needs to be pressed to the floor to get the car to stop...and even then it does not stop fast enough to be safe. Online research shows that this is a known issue for this model and Hyundai has been covering the cost for this as it is attributed to a part installed at the factory.

NHTSA ODI #11428175

130,934 miles · Jun 11, 2021
Exterior LightingUnknown Or Other

The contact owns a 2009 Hyundai Genesis. The contact stated that she noticed that the brake lights would not illuminate when the brake pedal was depressed. The contact stated there was no warning light illuminated. The vehicle was taken to a local dealer where it was diagnosed with the stop lamp switch needing to be replaced. Th…

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The contact owns a 2009 Hyundai Genesis. The contact stated that she noticed that the brake lights would not illuminate when the brake pedal was depressed. The contact stated there was no warning light illuminated. The vehicle was taken to a local dealer where it was diagnosed with the stop lamp switch needing to be replaced. The vehicle was repaired however, the failure recurred. The dealer stated that the diode wiring system needed to be replaced. The contact was relating the failure to NHTSA campaign number: 13V113000 (Exterior Lighting). The manufacturer had not been informed of the failure. The failure mileage was approximately 130,394.

NHTSA ODI #11420563

116,000 miles · Oct 7, 2020
Unknown Or Other

A LITTLE OVER A YEAR AGO THE BRAKES ON MY 2009 HYUNDAI GENESIS COMPLETELY FAILED AND THE PEDAL WENT TO THE FLOOR WHILE ATTEMPTING TO EXIT THE FREEWAY. I WAS ABLE TO AVOID A COLLISION WITH ANOTHER VEHICLE AND GOT THE CAR TO A COMPLETE STOP. THE BRAKE PEDAL EVENTUALLY REGAINED PRESSURE AND BEGAN FUNCTIONING AGAIN. OVER THE NEXT …

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A LITTLE OVER A YEAR AGO THE BRAKES ON MY 2009 HYUNDAI GENESIS COMPLETELY FAILED AND THE PEDAL WENT TO THE FLOOR WHILE ATTEMPTING TO EXIT THE FREEWAY. I WAS ABLE TO AVOID A COLLISION WITH ANOTHER VEHICLE AND GOT THE CAR TO A COMPLETE STOP. THE BRAKE PEDAL EVENTUALLY REGAINED PRESSURE AND BEGAN FUNCTIONING AGAIN. OVER THE NEXT 5-6 MONTHS THE BRAKES PROGRESSIVELY GOT WORSE EACH TIME I DROVE THE CAR. I WAS CONSISTENTLY HAVING TO PUMP THE PEDAL AND NEEDED TO KEEP GIVING MYSELF MORE AND MORE DISTANCE TO STOP THE VEHICLE. THROUGHOUT THIS PERIOD THE EXTERIOR BRAKE LIGHTS AND OTHER SENSORS ON THE CAR WOULD STOP FUNCTIONING ENTIRELY FOR PERIODS OF TIME. THOSE LIGHTS AND SENSORS EVENTUALLY QUIT AND NEVER TURNED BACK ON. AT THIS POINT VEHICLE BRAKES WERE GETTING WORSE AND WORSE AND IT HAD NO FUNCTIONING BRAKE LIGHTS SO I TOOK IT TO THE DEALER THAT I ORIGINALLY PURCHASED THE CAR FROM FOR REPAIRS. THE DEALER WAS NOT ASSOCIATED WITH THE MANUFACTURER AND WAS NOT ABLE TO MAKE REPAIRS TO THE CAR BUT THEY WERE ABLE TO DIAGNOSE WHAT WAS GOING ON WITH MY VEHICLE. THEY DOCUMENTED AND DESCRIBED SOME SORT OF CONTAMINATION IN THE BRAKE FLUID THAT HAD TURNED IT INTO A WHITE GOOEY SUBSTANCE AND THAT FLUID CAUSED SIGNIFICANT DAMAGE AND WORE COMPLETELY THROUGH THE ABS MODULE. COINCIDENTALLY THAT IS THE EXACT SAME DESCRIPTION THAT WAS GIVEN FOR THE RECALLS IN 2013 THAT WERE ASSOCIATED WITH THIS MAKE AND MODEL OF CAR (NHTSA CAMPAIGN 13V489000). THE PREVIOUS OWNER DID HAVE THOSE 2013 RECALL REPAIRS MADE AT ABOUT 60,000 MILES BUT THE SAME ISSUES THAT CAUSED THE FIRST RECALL ARE OBVIOUSLY OCCURRING AGAIN WITH THE CAR CURRENTLY AT ABOUT 120,000 MILES. THE MANUFACTURER DEALER WANTS $2500 TO REPLACE THE ABS MODULE AND TO RESET THE COMPUTER WHICH IS OVER HALF OF THE BLUE BOOK VALUE. THAT ALONG WITH THE $1000 ALREADY SPENT TO DIAGNOSE THE PROBLEMS, THE CAR IS NOW BORDERLINE TOTALED AT THIS POINT.

NHTSA ODI #11363210

62,000 miles · Nov 6, 2019
Unknown Or Other

TL* THE CONTACT OWNS A 2009 HYUNDAI GENESIS. WHILE DRIVING VARIOUS SPEEDS, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD AND THE BRAKES FAILED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE BRAKES NEEDED TO BE BLED AND THE MASTER CYLINDER NEEDED TO BE REPLACED. TH…

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TL* THE CONTACT OWNS A 2009 HYUNDAI GENESIS. WHILE DRIVING VARIOUS SPEEDS, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD AND THE BRAKES FAILED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT THE BRAKES NEEDED TO BE BLED AND THE MASTER CYLINDER NEEDED TO BE REPLACED. THE LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS CONTACTED AND DID NOT ASSIST. THE FAILURE MILEAGE WAS 62,000.

NHTSA ODI #11278518

51,000 miles · Aug 15, 2019
Electrical SystemPower TrainUnknown Or Other

2009 HYUNDAI GENESIS 3.8 4D SEDAN WITH 55000 MILES. LATELY, MY CAR DASH WILL BLINK "P" WHICH IS A NOTIFICATION FOR TRANSMISSION IS ON PARKED EVEN THE SHIFTER IS IN A DIFFERENT MODE. THIS HAPPENS RANDOMLY AND I AM WORRIED HOPE DON'T LOCKUP TRANSMISSION DURING THE HIGH SPEED. I HAVE RECORDED A VIDEO OF THIS SCENARIO IF ASKED. BTW …

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2009 HYUNDAI GENESIS 3.8 4D SEDAN WITH 55000 MILES. LATELY, MY CAR DASH WILL BLINK "P" WHICH IS A NOTIFICATION FOR TRANSMISSION IS ON PARKED EVEN THE SHIFTER IS IN A DIFFERENT MODE. THIS HAPPENS RANDOMLY AND I AM WORRIED HOPE DON'T LOCKUP TRANSMISSION DURING THE HIGH SPEED. I HAVE RECORDED A VIDEO OF THIS SCENARIO IF ASKED. BTW THIS HAPPENS IN BOTH IN MOTION OR IN STATIONARY MODE.

NHTSA ODI #11244129

Mileage unknown · Jun 12, 2019
Unknown Or Other

I WAS DRIVING HOME ON THE HIGHWAY WHEN SUDDENLY I HEAR A LOUD NOISE LIKE A SOMEONE SHOT A SHOTGUN THROUGH MY WINDOW, TO THEN REALIZE MY WHOLE SUNROOF HAD SHATTERED.

NHTSA ODI #11219437

155,000 miles · May 9, 2019
Unknown Or Other

MY CAR WON'T STOP AS THE BRAKE PEDAL GOES TO THE FLOOR ALL THE WAY DOWN.THE ABS & ESC LIGHTS COME ON WHEN THIS HAPPENS. THE BRAKE FLUID WAS CHANGED IN 2014 AND AGAIN IN 2019. A NEW MASTER CYLINDER, FRONT BRAKE LINES, BRAKE LIGHT SWITCH AND DIODE WAS INSTALLED IN MARCH 2019. TOOK IT TO DEALER IN APRIL 2019 AND THEY ALL WAS OK EXC…

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MY CAR WON'T STOP AS THE BRAKE PEDAL GOES TO THE FLOOR ALL THE WAY DOWN.THE ABS & ESC LIGHTS COME ON WHEN THIS HAPPENS. THE BRAKE FLUID WAS CHANGED IN 2014 AND AGAIN IN 2019. A NEW MASTER CYLINDER, FRONT BRAKE LINES, BRAKE LIGHT SWITCH AND DIODE WAS INSTALLED IN MARCH 2019. TOOK IT TO DEALER IN APRIL 2019 AND THEY ALL WAS OK EXCEPT ESC LIGHT WAS ON. DROVE IT HOME AND LESS THEN 60 MILES THE BRAKES PETAL AGAIN WENT TO THE FLOOR. TAKING IT BACK TO DEALER IN LIMA, OH ON MAY 15, 2019. I PUT IN A COMPLAINT TO CONSUMERAFFAIRS@HMAUSA.COM, BUT THE GIRL WHO RETURNED THE CALL, READ FROM A SCRIPT AND SAID SORRY, YOUR CAR IS OUT OF WARRANTY. PLEASE REFERENCE YOUR CASE NUMBER 15737333. THIS CAR IS UNFIT TO DRIVE AND FROM OTHER POSTINGS, IT WILL COST $2500 TO REPAIR. THE CARS VALUE IS BETWEEN $3600/5600 DOLLARS.THIS IS AN ON GOING SAFETY PROBLEM THAT HYUNDAI HAS PUT OFF MAKING A PROPER REPAIR, RELYING ON TIME AND MILES TO GET OUT OF A SAFETY RECALL. I'M UPLOADING PHOTOS OF BRAKE FLUID TAKEN FROM MY CAR IN MARCH AND APRIL 2019

NHTSA ODI #11206423

Official recalls

3

14V713000 · 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

1

PE13033 · 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