Service Brakes Problems of Hyundai Elantra - part 1

Hyundai Elantra owners have reported 704 problems related to service brakes (under the service brakes category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Hyundai Elantra based on all problems reported for the Elantra.

1 Service Brakes problem of the 2014 Hyundai Elantra

Failure Date: 10/01/2026

The contact owned a 2014 Hyundai Elantra. The contact stated that while the vehicle was parked and turned off with the contact seated inside the vehicle, there was an abnormal burning odor coming from the vehicle. The contact had previously been smoking a cigarette. The vehicle was idling high, and hesitating while accelerating with a weak battery. The battery warning light was illuminated. The contact stated that the battery had melted. During a storm, there was a burst of wind followed by a cloud of smoke. The contact and a family member opened the hood and became aware that the engine compartment was on fire. The engine bay was engulfed in flames. The fire was extinguished with rainwater, a shower towel, and a fire extinguisher with assistance from bystanders. The fire department inspected the vehicle and determined that there was no evidence of foul play and that the fire originated from the engine compartment. A good samaritan sustained burns while assisting. The contact and others reported inhaling toxic fumes or chemicals from the fire. The contact stated that the vehicle was a total loss, as there was no insurance coverage and the contact and her family were left without transportation and had to walk from the location of the fire. The contact referenced a thermal event involving the electrical system associated with NHTSA campaign number: 23v651000 (service brakes, hydraulic). The local dealer had previously been made aware of the issue, but the claim was denied. The failure mileage was approximately 80,000.

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2 Service Brakes problem of the 2012 Hyundai Elantra

Failure Date: 09/25/2026

Rear metal brake line is heavily corroded and leaking. Failed approaching intersection and had to use emergency brake to avoid crash.

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3 Service Brakes problem of the 2007 Hyundai Elantra

Failure Date: 09/17/2026

The contact owns a 2007 Hyundai Elantra. The contact stated that while driving and attempting to turn into the driveway, there was a burning odor and white-grayish smoke coming from the engine compartment. The contact stated that while the brake pedal was depressed, the vehicle failed to slow down as intended. The vehicle was parked at the residence. The contact exited the vehicle, and smoke was still coming from the engine compartment. The failure mileage was 101,000.

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4 Service Brakes problem of the 2009 Hyundai Elantra

Failure Date: 09/10/2026

The anti-lock braking system (abs) module has failed due to moisture intrusion that caused an internal electrical short circuit, destroying the abs primary pressure sensor. A few days after the vehicle was parked outside during heavy rain, I was driving on a busy highway when it suddenly lost engine power. During this emergency, I had to perform heavy braking and maneuver to the shoulder without engine assist. At the same time, the abs and electronic stability control (esc) systems suddenly disabled completely. This failure is consistent with the safety defect described in NHTSA campaign 20v-061 (recall 188), which acknowledges that these abs modules can permit moisture intrusion. However, Hyundai's remedy, installing a fuse relay, only cuts battery power while the vehicle is parked to reduce fire risk; it does not seal or repair the abs module. Moisture from the heavy rain entered the module while the vehicle was parked and ultimately shorted the internal pressure sensor while driving, disabling critical braking and stability systems. Two independent third-party sources (an ase-certified mechanic and a commercial automotive diagnostic scanner) identified codes c1237 (abs primary pressure sensor signal), c1513, and c1260. Both confirmed an internal electrical failure of the abs module. At Hyundai corporate consumer affairs’ direction, the vehicle was inspected by an authorized Hyundai dealership. The dealership did not perform the required dynamic road test needed to reproduce the active abs faults, and claimed there was only c1260 and not an abs malfunction. The invoice documents identical mileage in and out, and video shows diagnostics performed while the vehicle was stationary with the engine off. Approximately 15 minutes later, an independent scanner successfully retrieved c1237, c1513, and c1260. Despite this evidence, Hyundai consumer affairs refused to repair the failed abs module, characterizing it as a “maintenance item. ”.

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5 Service Brakes problem of the 2022 Hyundai Elantra

Failure Date: 09/02/2026

Braking system failed to brake properly. It feels like even though the brakes were pressed all the way down, the car did not brake as it should. Also, the automatic collision avoidance system did not respond.

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6 Service Brakes problem of the 2024 Hyundai Elantra

Failure Date: 08/21/2026

The contact owns a 2024 Hyundai Elantra. The contact stated that while driving 30 mph and depressing the brake pedal, excessive force was needed to bring the vehicle to a stop. There was no warning light illuminated. The vehicle was taken to a local dealer to be diagnosed, and the contact was informed that the calipers needed to be replaced. The vehicle was taken to two independent mechanics, and it was confirmed that the brake master cylinder needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 42,000.

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7 Service Brakes problem of the 2013 Hyundai Elantra

Failure Date: 08/20/2026

The contact owns a 2013 Hyundai Elantra. The contact stated that upon starting the vehicle, the abs warning light illuminated. The following day, while the vehicle was parked in the driveway, the vehicle caught on fire. The contact's dog woke up the contact around 5:00 am, at which point the contact discovered that the vehicle was on fire. The fire department extinguished the fire and informed the contact that the fire appeared to be electrical; however, it was unknown whether a fire report was filed. The contact stated that the fire appeared to have originated underneath the hood, which left the front end of the vehicle completely burned. There was no other property damage, and no injuries were reported. A police report was filed. The vehicle remained in the driveway, and the insurance company had not yet been notified of the fire. Upon investigation, the contact discovered that the VIN was included in NHTSA campaign number: 23v651000 (service brakes, hydraulic). Neither the dealer nor the manufacturer was notified of the failure. The failure mileage was approximately 120,000.

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8 Service Brakes problem of the 2023 Hyundai Elantra

Failure Date: 08/19/2026

The contact owns a 2023 Hyundai Elantra. The contact stated that while driving at an undisclosed speed, several unknown warning lights flashed on and off on the instrument panel, and the brakes independently activated due to slippery weather conditions. The vehicle was taken to a dealer to be diagnosed; however, the cause of the failure was not determined. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 16,900.

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9 Service Brakes problem of the 2010 Hyundai Elantra

Failure Date: 08/05/2026

The contact owns a 2010 Hyundai Elantra. The contact recently purchased the vehicle. The contact researched and became aware that the VIN was included in NHTSA campaign number: 13v113000 (exterior lighting), 15v100000 (steering) and 20v061000 (service brakes, hydraulic). The vehicle was taken to the dealer, where the contact was informed that the repairs were unable to be completed because the required tools were unavailable. The manufacturer was not contacted. The contact had not experienced a failure.

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10 Service Brakes problem of the 2024 Hyundai Elantra

Failure Date: 07/15/2026

My 2024 Hyundai Elantra limited keep slamming the breaks and Hyundai keep running me in circles and won’t fix it. I fear my vehicle will cause a collision. A case with Hyundai has been open for over 3 months.

11 Service Brakes problem of the 2013 Hyundai Elantra

Failure Date: 07/03/2026

Abs and brakes. The abs system malfunction causing it to run non stop draining my battery and making my brake pedal go to floor. It is available for inspection. My battery has been drained and unable to drive since brakes aren’t properly working. Matt bowers Hyundai in slidell has confirmed it is the abs module and brakes flush needed. They are refusing to fix it for free stating I took too long to bring it in. Abs light, traction light and emergency brake light was on before failure.

12 Service Brakes problem of the 2009 Hyundai Elantra

Failure Date: 07/01/2026

The contact owns a 2009 Hyundai Elantra. The contact received notification of NHTSA campaign number: 20v061000 (service brakes, hydraulic). The contact stated that while driving approximately 35 mph, the tpms and powertrain warning lights illuminated, but the vehicle drove normally. The contact stated that a month later, while the vehicle was parked and turned off, a pedestrian saw smoke coming from the engine compartment. The contact arrived at the scene, and the police and fire department were already on scene. The contact stated that a fireman entered the vehicle and opened the hood, and disconnected the battery. A police report was filed. The contact inspected the vehicle, reconnected the battery, and there was smoke coming from the abs module inside the engine compartment. The contact then disconnected the battery. The battery was later reconnected, and the vehicle was driven to the residence. The contact arrived at the residence and removed the abs fuse, and the smoke ceased. The vehicle was taken to an auto shop where a handheld diagnostic machine retrieved dtc: p0441 (evap system incorrect purge flow). The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 168,000.

13 Service Brakes problem of the 2012 Hyundai Elantra

Failure Date: 06/30/2026

The contact owns a 2012 Hyundai Elantra. The contact stated that while operating the vehicle, the brake pedal felt spongy while depressed. After parking the vehicle, the contact later restarted the vehicle, and the brake pedal extended to the floor while depressed. While inspecting under the hood, the contact discovered that there was no brake fluid inside the brake fluid reservoir. The cause of the failure was not yet determined. The contact stated that the vehicle was previously repaired under NHTSA campaign number: 23v651000 (service brakes, hydraulic), and a fuse was replaced. The manufacturer and the local dealer were notified of the failure. The failure mileage was 59,000.

14 Service Brakes problem of the 2013 Hyundai Elantra

Failure Date: 06/01/2026

The contact owns a 2013 Hyundai Elantra. The contact stated that while attempting to start the vehicle, the engine failed to turn over, with several unknown warning lights illuminated. The contact inspected the engine compartment and there was grey smoke coming from the electrical box behind the abs module. The vehicle was towed to a dealer where it was diagnosed, and the contact was informed that the abs module and wiring harness needed to be replaced, and brake fluid needed to be flushed and refilled. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 78,000.

15 Service Brakes problem of the 2013 Hyundai Elantra

Failure Date: 05/28/2026

My brake lights are not functioning. The fuses and bulbs are good and others have had this same issue occurring.

16 Service Brakes problem of the 2012 Hyundai Elantra

Failure Date: 05/25/2026

*wife litely drives this car avg 4k miles a year* she left the house for the grocery store the other day and after the first stop light, noticed the brakes were engaging on their own. Luckily she called me before going any further and damaging the pads and rotors, or worse - causing a fire or having an accident. I slowly drove it home and inspected fuses, brake fluid and checked online resources for anyone with similar issue. Turns out this is common? very dangerous. Have never experienced this issue with any other car make. I had the car towed to hq Hyundai (local dealer in sanford FL) to address 2 open recall bulletins on this car. They immediately forced me to accept a $200 inspection fee (key ransom) just to do the recalls - siting safety of staff!?! they were informed that the brakes were remaining engaged and that they needed to disconnect the battery, but they left it in the tow yard over the weekend. I am sure they will try to sell us a battery now. Very upset with the response to this extremely unsafe issue, that we didn't cause from excessive, hard driving.

17 Service Brakes problem of the 2020 Hyundai Elantra

Failure Date: 05/22/2026

This complaint documents a recurring automatic transmission failure resulting in three complete vehicle shutdowns during active operation — two at highway speed and one in an active turning lane. The most recent failure occurred within 15 minutes of the vehicle being released from an authorized Hyundai dealership in college park, maryland, whose general manager admitted in a recorded call that the vehicle was released knowing the transmission was unrepaired and unsafe. The first failure occurred in 2025 on a highway with no prior warning. The vehicle was towed to the dealership, where the transmission was confirmed defective and repaired under warranty. The second failure occurred in January 2026, again on a highway with no warning. The dealership held the vehicle from January through may 2026 — four months — with no updates despite multiple owner inquiries. In April 2026 the dealership confirmed the transmission had failed again and was seeking Hyundai corporate authorization for the warranty repair. On may 21, 2026 I was told the vehicle was ready and the transmission had been fully repaired under warranty. This was false. On [xxx], within 15 minutes of leaving the dealership, the transmission failed a third time, completely shutting the vehicle down in an active turning lane with no warning. The general manager at Hyundai college park later admitted in a recorded call that the transmission was never repaired and the vehicle was released only to recover the dealership's rental car, with full knowledge it was unsafe. All three failures were confirmed by the authorized dealer. Component is available for inspection. Nhtsa investigation and recall consideration requested. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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18 Service Brakes problem of the 2015 Hyundai Elantra

Failure Date: 05/15/2026

The engine failed on a 2015 Hyundai Elantra with approximately 71,000 miles. The vehicle has an open, unresolved safety recall (recall 251, NHTSA #23v651000) for an abs module brake fluid leak that Hyundai has acknowledged but has not provided a remedy for. The vehicle is currently at an independent repair facility and is available for inspection upon request. The vehicle repeatedly shut off without warning while in motion and restarted mid-drive, causing sudden loss of power steering and power brakes while driving. This occurred on multiple occasions and was documented by an independent service center in February 2026. This presents a serious risk of accident, injury, or death to the driver and others on the road. The check engine light was illuminated. The vehicle experienced recurring brake issues requiring multiple repairs over several years, including brake replacement before 2026 and rear rotor, brake pad, and brake line repairs in February 2026. These brake symptoms are consistent with the known abs module defect covered under open recall 251. The engine shutoff symptom was first documented in February 2026 and continued until engine failure in may 2026.

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19 Service Brakes problem of the 2024 Hyundai Elantra

Failure Date: 03/23/2026

The vehicle experienced significant vibration at highway speeds and during braking within the first 6 months of ownership. The issue was confirmed by a dealership, and the rotors were resurfaced as a corrective action. The problem has now returned, and the rear brakes have worn down to metal-on-metal at approximately 35,000 miles. The rear brake pads are also unevenly worn, while the front brake pads remain in good condition. Multiple service representatives have stated they cannot explain this level of uneven rear brake wear. The brake defect causes strong vibration that impacts steering control and vehicle stability, especially at highway speeds and while slowing down. This creates a safety concern due to reduced braking performance and loss of consistent vehicle control. The issue has been confirmed by dealerships, but the root cause has not been identified or properly resolved. No warning lights or alerts were provided prior to the failure. The vehicle is currently unsafe to drive due to the condition of the brakes.

20 Service Brakes problem of the 2008 Hyundai Elantra

Failure Date: 02/16/2026

The contact owns a 2008 Hyundai Elantra. The contact stated that a week after the dealer performed the recall repair under NHTSA campaign number: 20v061000 (service brakes, hydraulic); the contact was made aware that the brake lights had remained illuminated after the vehicle was parked and turned off. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 199,950.

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21 Service Brakes problem of the 2009 Hyundai Elantra

Failure Date: 02/06/2026

Nhtsa 20v-061 (Hyundai 188): abs/hecu module NHTSA 15v-100 (Hyundai 127): electric power steering (eps) NHTSA 13v-113 (Hyundai 110): brake light switch.

22 Service Brakes problem of the 2020 Hyundai Elantra

Failure Date: 02/02/2026

I am submitting this complaint to document ongoing brake related concerns on my 2020 Hyundai Elantra that may affect vehicle safety. Since April 2024, I have experienced repeated brake rotor warpage that causes vibration during braking, reduced braking consistency, and a noticeable change in stopping behavior. These symptoms raise concerns about braking performance and overall vehicle control. I reported the issue to Hyundai motor America and followed their required warranty process, including an inspection at high desert Hyundai. The dealership indicated the condition should be covered under warranty, but I was charged twice for what should have been a no cost warranty inspection. Hma later denied warranty coverage based on an undefined claim of “outside influence” without providing any criteria, explanation, or evidence supporting that conclusion. The denial prevented me from understanding the basis of their determination or how it applied to the brake condition. Hma then directed me into the bbb auto line program under case number hyu2605570 as the next step for disputing the decision. Throughout this process, Hyundai did not provide any additional information or documentation explaining the cause of the brake condition or addressing the safety concerns I raised. Because braking performance affects stopping distance and vehicle control, I am reporting this issue to NHTSA so the agency is aware of the repeated brake vibration and rotor warpage, the inconsistent braking behavior, and the lack of clarity from the manufacturer regarding the cause. I possess all invoices, communications, photographs, and documentation related to the inspections and interactions with the dealership, hma, and bbb auto line, and I have maintained these records since April 2024. I also filed a complaint with the NHTSA for this same reason on February 4, 2025, complaint no. 11638352, for reference.

23 Service Brakes problem of the 2007 Hyundai Elantra

Failure Date: 02/02/2026

Applying the brakes and they don’t engage abs. Couldn’t come to a stop at very slow speed. They jammed up. And the dash lights don’t illuminate. Very similar to recall 188 thanks.

24 Service Brakes problem of the 2013 Hyundai Elantra

Failure Date: 02/02/2026

[xxx] is subject to safety recall 20v-755 Hyundai recall 251 for a defective abs module that may leak brake fluid, cause an electrical short, and increase the risk of an engine compartment fire. The recall remains open and has not been performed. On Feb 2, I brought the vehicle to mcgovern Hyundai of arlington and disclosed an active brake fluid leak consistent with recall 251. I also stated that brakes were recently replaced 4 weeks ago. The service advisor incorrectly said the recall was just for a fuse and unrelated to brake fluid. The dealership drove the car for a state inspection despite knowing about the leak and open recall. They stated the brakes are bad and requested payment for a diagnostic, which I declined. No diagnostic testing was performed. The dealership informed me the required abs module part was unavailable and instructed me to return Friday, waiting 3 5 business days. The recall repair was not completed, and no towing or alternate transportation was offered. The dealership invoice documents the incomplete repair. I live in east boston, MA, a densely populated urban area with street parking. If the defect causes a fire, it could endanger nearby vehicles, residences, and public safety. I am filing this complaint to document the unprepared safety defect, dealership misinformation, and ongoing community fire risk. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

25 Service Brakes problem of the 2018 Hyundai Elantra

Failure Date: 02/01/2026

I had my car brakes replaced checked for the past three months it's been making a grinding noise when braking at slow speeds had the car checked 3 different shops, they said rotors and pads are perfectly fine almost new, but the grinding is still there dust shield is not touching pads are new, rotors on specifications normal now I am reading this could be due to abs system the grinding my car is a 2017 bought on 2018 so shows up as 2018 and there are some recalls on the abs for this car please help. I am concerned about that grinding and there isn't anything metal to metal hubs everything is fine, I can only hear when braking at slow speeds and bumper to bumper braking kind of riding the brake to come to stop grinding creaking.

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26 Service Brakes problem of the 2025 Hyundai Elantra

Failure Date: 02/01/2026

Anytime vehicle is over 35mph brakes fail, vehicle has to coast to a lower speed before you can engage braking. When you attempt to brake at the higher speeds, it click click clicks repeatedly while depressed fully, a mild grind and force against foot from pedal once you coast enough it suddenly will make the sounds less then all the sudden brakes work. Called one dealer (Hyundai sherman oaks CA) and as soon as we said brakes don't work over 35mph were hung up on, twice. The exact same words. Then downtown la Hyundai basically said we don't accept tow one right now which obviously a non braking car won't drive. Hyundai of America is the ones that called downtown and connected us to them aware of the issues and time frame as we had just purchased the car from carvana and it was this way on delivery. Now returning vehicle to carvana since we can't seem to get a dealer to repair even though it has warranty.

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27 Service Brakes problem of the 2016 Hyundai Elantra

Failure Date: 01/17/2026

No accident has occurred as of yet (for my case). Ongoing issues with Hyundai left brake bulb and center brake bulb burning out due to over-amperage. These two are on their own 10a circuit separate from the 5a circuit for the right brakelight bulb. It appears that these two bulbs are possibly receiving 15a and therefore burning out prematurely (3 months or less). I recently replaced these two bulbs at the same time, and now my battery is shorted. To keep my battery charged, I need to pull my 15a brake lamp fuse while the car is parked. This has now caused my abs light to come on, as that system relies on the signal from the 15a brake lamp circuit. I suspect that some 15a components (10a+5a) received 20a (15a+5a) and welded shut. I am still looking for it to trace it down, resources are limited and I'm intent on just buying the $35 diagnostics book. Hyundai dealership did not inform me that this fuse was pulled while I drove home from the shop yesterday, creating an unsafe condition. They quoted me $500 to replace a brake lamp relay and the abs (I'm assuming the whole abs, but maybe just the control module), I declined. My plan for now, as this car isn't driven much, is to trace it down and find the shorted component. From my research, this is clearly affecting many years of Hyundais and kias, not just my Elantra and not just my year. In fact, it's so common that there are facebook groups (such as this one [xxx] ) dedicated to helping owners remedy this defect. I think a recall service, and a full investigation of what is electrically wrong with these cars, and what the actual remedy should be, is necessary based on the amount of cars that could be impacted. Hyundai & kia technicians I am sure are intimately knowledgeable about this issue by now and us owners are on the hook, having only 80,000 miles of warranty on anything purchased used. Please reach out with any add'l questions. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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28 Service Brakes problem of the 2011 Hyundai Elantra

Failure Date: 01/02/2026

The brake lines in our 2011 Hyundai Elantra have rusted out and no longer hold brake fluid, which means the car is not safe to drive. Luckily we were able to get the car to our sidewalk and park it without injury. We found that sauder schelkopf is investigating a potential class action lawsuit against Hyundai for underbody corrosion and brake line failure in 2011-2016 Hyundai Elantra vehicles. It has been alleged that the underbody coating of these vehicles suffer from premature wear and failure, allowing the underbody to prematurely corrode. It has been further alleged that the failure of the underbody coating on these Hyundai vehicles can cause brake line failure and the failure of other essential components resulting in serious safety issues. Hyundai has a recall out to provide underbody coating free to customers but no mention of brake line replacement.

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29 Service Brakes problem of the 2012 Hyundai Elantra

Failure Date: 12/01/2025

Driver side wheel baron was scrubbing together and brake fluid was leaking I lost speed can't go over 35 miles on the speedometer my airbag light is on on the dashboard, abs, the car with 2 lines and tire along with engine sign is on I look up for recall and it listed everything my 2012 Hyundai Elantra is doing I took it to Hyundai dealership in orlando florida on west colonial drive and 2 hours they called said it was ready they didn't do anything all the the same lights still on on the dashboard still leaking brake fluid and wheel baron and my brakes still scrubbing against each other speed reduction they claim they did the recall would not look at it again said they did it nothing changed I'm taking a risk of fire starting from brake fluid hitting the electrical box and wheel coming of and again all the lights on the dashboard is still on my name email address and everything is wrong on the paperwork except my phone number and I gave him my license with my information on it I'm asking the advisor how can he tell me that the work was done and recall doesn't necessary fix the problem but he knew my car remember everything that's impossible I told him why the lights still on and nothing changed also I asked him how do he know it's repaired he showed me no parts came off my car to say it was replaced nothing was replaced.

30 Service Brakes problem of the 2013 Hyundai Elantra

Failure Date: 11/25/2025

1. What component or system failed or malfunctioned, and is it available for inspection upon request? the brake hydraulic system failed due to a rusted and leaking brake line running from the front to the rear of the vehicle. The damaged brake line is still on the vehicle and is available for inspection upon request. 2. How was your safety or the safety of others put at risk? the brake line leak caused the brake pedal to go to the floor, significantly reducing or eliminating braking ability. This created a high risk of being unable to stop the vehicle, which could lead to a collision and put myself, passengers, pedestrians, and other drivers in danger. 3. Has the problem been reproduced or confirmed by a dealer or independent service center? yes. The issue was confirmed by an independent service center (busse automotive) during a brake system evaluation. They traced the brake fluid leak to a rusted brake line section that needs replacement. 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others? no, the vehicle has not been inspected by the manufacturer, police, or insurance representatives. The only inspection so far has been by the independent repair shop. 5. Were there any warning lamps, messages, or other symptoms of the problem prior to the failure, and when did they first appear? not that I know of.

31 Service Brakes problem of the 2024 Hyundai Elantra

Failure Date: 11/25/2025

When I am using cruise control, my car will just randomly slam on its breaks. I have taken my car into the dealer multiple times, and they have written it off everytime. They have said it’s “direct sunlight” yet I can prove it’s not happening in the sunlight. It happened again today when it was cloudy. It’s also happened before the sun came up in the morning. I have even filed a case with Hyundai directly, and they said if they can’t get it to mimic it, then they can’t do anything about it. But it’s so random, sometimes it happens 50 miles from home, other times it’s 300 miles from home. Always willing to let anyone inspect my vehicle to help solve this issue. I’ve been taking it to my dealer for a full year until I found out I needed to come put it here. It’s random, it won’t happen in the same spot twice. But every time it’s done it, there is never a vehicle in front of me. My assumption is there is a defect with the adaptive cruise control. I’ve talked with Hyundai and they claim they’ve never heard of this happening to anyone, yet when I google it, there are multiple forums with people stating this exact thing is happening to them. Safety issue is it slams on the brakes so hard I’ll go from 80 to 65 before I can get the cruise control off. If someone is behind me when it does this, they will slam into me. When I’m dropping 15 mph quickly, that vehicle behind me will hit me like I’m a stopped object. No warning lights before it happens. This has been happening since I bought my vehicle at 0moled to now where I have 34k miles.

32 Service Brakes problem of the 2022 Hyundai Elantra

Failure Date: 11/24/2025

My vehicle experienced a sudden and complete brake assist failure, including the emergency brake. I was unable to stop the vehicle, which directly resulted in a collision. Prior to the crash, the car showed no warning lights. After the accident, I had the vehicle inspected at the Hyundai dealership. The dealership stated they could not reproduce the failure and “found no issues,” which contradicts the symptoms. Since the crash, I discovered two Hyundai technical service bulletins that directly match the failure I experienced: TSB 23-01-036h-1 (relates to hecu/electronic parking brake failure) TSB addressing dtc c1620 (relates to fca sensor/automatic braking malfunction) these tsbs relate to brake assist malfunction, emergency brake concerns, and similar stopping failures. The dealership did not disclose these tsbs, did not apply the corrective procedures, and cleared the car as having “no defects. ” the dealership wrote “could not reproduce concern” and “no problems found,” despite the vehicle having just been in a brake-failure crash. This brake failure created a major safety risk with potential for severe injury or fatality. I am reporting this because the defect appears unresolved, the dealership denied it, and the tsbs show Hyundai is aware of brake-related issues. I request that NHTSA investigate this brake-system failure as part of a potential manufacturer safety defect. The vehicle is currently secured at the dealership (lithia Hyundai, las vegas) and is available for inspection upon request by NHTSA investigators.

33 Service Brakes problem of the 2014 Hyundai Elantra

Failure Date: 11/04/2025

The vehicle caught fire while it was in motion; there were loud bangs and a lot of noise, and smoke started coming out of the front, and the engine and the undercarriage caught fire. I managed to turn it off, but when they were towing it, the mechanics did the diagnostic and found wires were faulty and damaged the engine.

34 Service Brakes problem of the 2018 Hyundai Elantra

Failure Date: 10/21/2025

We were heading back to ohio at mile marker 8 75n kentucky when we heard a boom. Then we saw smoke as my husband was pulling over. We jump out to get our child out of the car seat and at the same time a pickup truck pulls up with two guys. They yell that our cars on fire and began putting the fire out with a fire extinguisher. We had an oil change before we left ohio by valvoline. This area of the hwy isn't really patrolled and only has a volunteer fire department. A constable just happened to pass by us on the way to indiana.

35 Service Brakes problem of the 2017 Hyundai Elantra

Failure Date: 10/12/2025

Was traveling at 5mph in traffic. Pressed the brake to stop, and my car kept rolling. I pressed the foot pedal brake many many times without stopping. I pulled the emergency brake and I still didn’t stop. I came to rest on the back bumper of a semi truck in front of me.

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