Equipment Problems of Hyundai Sonata - part 1

2022 Hyundai Sonata, approximately 34756 miles, purchased used. On xxx, during heavy rain, the under-engine splash shield/water shield detached from the vehicle with no impact, road debris contact, or collision; it was found detached in normal wet-weather conditions. The engine under-cover was also bent. I presented the vehicle to west palm beach Hyundai ([xxx]) for warranty repair. The claim was denied with a handwritten note stating the part was "damaged by outside influence. " the dealership's multi-point inspection video states the condition is "not covered under warranty due to external factors," but no impact damage or technician findings of an external strike were provided to me. I am aware of a prior NHTSA complaint for a 2022 Hyundai Sonata in which a splash shield ripped without impact, suggesting a possible pattern of premature attachment/component failure rather than external damage. I am repairing the vehicle out of pocket. No crash, injury, or fire occurred. Requesting investigation of premature detachment of the splash shield and its attachment hardware on the 2022 Hyundai Sonata. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

See all problems of the 2022 Hyundai Sonata 🔎.

The vehicle is currently at greenway orlando Hyundai for a fuel-system-related repair. During the dealership’s inspection, the dealership identified a crack in the fuel pump housing and a fuel leak. The dealership also provided photographs documenting the crack and the leak, and the vehicle has a very strong fuel odor. My primary concern is safety. A cracked fuel pump housing with a fuel leak presents a potential fire hazard. I do not believe it is safe to drive or operate the vehicle in this condition. The vehicle is being serviced in connection with Hyundai TSB 23-FL-004h, “fuel pump filter warranty extension (txxs), inspection and replacement. ” the prior approval/goodwill issue is particularly important in this case. Note 2 on page 2 of TSB 23-FL-004h states that when a part not covered by the TSB is found to require replacement while performing the txxs procedure, and that part is out of warranty, the dealership should submit a prior approval request for goodwill consideration before performing the work. When greenway orlando Hyundai identified the cracked fuel pump housing and the fuel leak, I asked the dealership to pursue this solution with Hyundai. Initially, the dealership refused to submit the prior approval/goodwill request. Because of that refusal, I personally contacted Hyundai, opened a complaint/case, and informed the dealership about the situation. I also insisted that the dealership submit the prior approval request contemplated by Hyundai’s procedure. Only after my insistence did greenway orlando Hyundai submit the prior approval/goodwill request to Hyundai. That request was subsequently denied. Therefore, I want to make it clear that I am not simply disputing the cost of a part that I chose to replace. The damaged component was identified by the dealership itself while the vehicle was undergoing fuel-system-related service. I asked the dealership to pursue the solution provided for under Hyundai’s procedure, but I had to take action directl.

See all problems of the 2015 Hyundai Sonata 🔎.

My car is showing the same issues as the recall 271 campaign 24v-879 but my VIN is not included in the recall. My reverse camera is showing a black screen with the guidelines when the vehicle is put into reverse.

See all problems of the 2020 Hyundai Sonata 🔎.

In 2023, my Hyundai sonota 2013 hybrid stopped on the freeway putting myself and others at risk. It told me to stop and pull over to a safe spot but everything locked up and I couldn't move it. I had to get a fuse replaced and it cost over $2k. 3 years later, my cars ebrake light has remained on for a few weeks, it will show a battery discharge warning upon starting up sometimes but now I can't even drive it as it displays "check brake and hybrid warning system" alerts appear on the dash display. I've already been terrified for years that this would happen again. This car is absolutely unsafe. It's still under 100k miles and has given me so many problems even though I have taken great care of it. I am taking it to the Hyundai dealership for another diagnostic. The fact that I see so many others online with similar issues leads me to believe that there should be more recalls on this car; moreover, I believe Hyundai purposely designs this models to break down regularly so we can take it to their dealership to be exonerated by their high prices for parts and labor. Hyundai is a con artist company. They do not design their automobiles with the safety of drivers in mind.

See all problems of the 2013 Hyundai Sonata 🔎.

The fuel tank assembly became pressurized with compressed air due top worn purge control system check valve. This caused the tank to deform and the deformation of the tank led to the fuel pump being pushed out and the back seat of the car was completely unattached and no longer secured. There was a strong presence of gas smell in the car as well. The check engine light came on and the car began to drive poorly. It was taken directly to a Hyundai dealership where it remains as of today. This could have resulted in the car catching on fire and potentially killing everyone in the car. My [xxx] daughter and 2 friends was driving the car from louisiana to mississippi when this occurred. The dealership in ms told her she needed to call and find someone to come and get her because the car was not safe to drive. My daughter was stranded in another state and had a college friend come and get them since I did not have a car and I was in louisiana. After several hours her friend was able to pick them up which she remained stranded in ms for an additional 4 days. I had to get a friend to meet them halfway and bring her home because the dealership said there was nothing they could do to assist with transportation. This occurred on [xxx]. My car remains at this dealership in ms with only the testing to say the gas tank test failed and the car could not be driven. I was told Hyundai would offer a buyback on my vehicle because the repair was costly and time consuming. I have not been reimbursed for my transportation expenses through uber as of today. I was told I could rent a car and they would reimburse my expense after I submitted a receipt and waited several weeks to process and then at least 2 weeks for the payment to clear. Either way I have received nothing. There was not any warning and the dash lights and poor engine running all happened at once. She drove straight to the dealership on [xxx]. We have not been treated fairly with this situation. Information redacted pursuant to the freedom of information act (foia), 5 u. S.

I was driving down the road when my sunroof glass completely ripped away from the top and flew off. The glass is gone but the frame is still there but bent. I took it to a auto glass repair shop that stated "sunroof glass separated from urethane, came off and bent frame. " I am dropping off at Hyundai dealership 9. 17. 26 to have them inspect. My insurance will not cover repairs. So I am hoping maybe this has happened to other people. There was a recall on sunroofs for the 2014-2016 Hyundai Sonata's NHTSA campaign 16v726000 a bonding issue with the front sunroof wind deflector anchor plate can cause the deflector to come loose and jam the glass panel when closing, or detach entirely while the car is moving.

See all problems of the 2017 Hyundai Sonata 🔎.

Me and my friends are actually going to a trip on three cars. And I am the only one driving my car. All of a sudden when I am on us highway 82. It started smoke. Immediately I tried to pull over. With in seconds it started fire. I inhaled lot a of smoke. I am a asthama patient so felt dozy immediately. Somehow I immediately came out of the car. I called 911 and whitesbore pd and fire engine team immediately arrived. But with in that time the front hood completely burnt and front seats as well.

See all problems of the 2014 Hyundai Sonata 🔎.

Blower motor malfunction at night. Smelled something burning. Extremely hot and humid outside. Windows fogged up inside which greatly reduced visibility. Checked the multifuse which controls the abs, oil pump, cooling fan, & blower. I discovered a burnt connection on one of the terminals for the blower. This is a huge safety and fire risk and needs to be addressed ASAP!!!! upon my research, I’m finding several Hyundai Sonata vehicles having this same exact issue. Kia vehicles are being recalled for this same exact issue. Why isn’t the Hyundai Sonata??.

My sunroof exploded within 100 miles of ownership. My first drive home to be exact. Was determined to be defective by Hyundai.

1. Component failed: panoramic sunroof glass assembly (structure / visibility / glass). Details: while traveling at highway speed on the freeway, the panoramic sunroof glass spontaneously exploded outward without warning or impact from any foreign object. Inspection: I have not had the vehicle repaired yet so it is currently available. I also took a picture of it. 2. Safety risk: the sudden, loud explosion (sounding like a gunshot) at freeway speeds caused immediate driver distraction and severe disorientation. Shattered tempered glass was mostly restricted from the cabin by the curtain barrier but some rained down into the passenger cabin. Most blew backward onto the highway, posing a major hazard to occupants as well as trailing motorists. Furthermore, this is a recurring defect in our household: my wife experienced an identical spontaneous sunroof explosion on her 2024 Hyundai palisade, demonstrating a pattern of hazardous glass failures across multiple late-model Hyundai vehicles. 3. Reproduced or confirmed: I have not had it inspected by anyone. I am awaiting quotes for repairs. I have taken a picture of the vehicle that has not been driven since the incident. 4. Inspection: no one else has inspected it. I have a picture and can take more as needed. Hoping to not have to drive it until I take it to a shop for repairs. It has been reported to a dealership, but they did not seem too concerned or interested in helping. They insisted that they would not give a repair quote until I drove it the 20 miles for them to inspect. 5. Any warning: no warning. There were no warning lights, abnormal noises, visible cracks, or previous symptoms prior to the sudden explosion. The failure occurred completely spontaneously under normal highway driving conditions.

See all problems of the 2021 Hyundai Sonata 🔎.

The computer system malfunctioned; the front panel warning was "stop vehicle and check regen. Brakes". I put my car in drive and when I hit the gas pedal the car reversed instead of going forward. I got it towed to the dealer at piazza Hyundai in limerick PA. The service did not provide me with an explanation about the warning and showed little concerns to the issues, I was given a month time frame for looking at my car. I consider this a safety issue as the car did not respond appropriately to d and r, I suspect a computer failure.

See all problems of the 2018 Hyundai Sonata 🔎.

The panoramic sunroof spontaneously exploded while driving without any external impact.

I was heading to work when suddenly smoke started pouring from the air conditioning vents, and the abs and traction control warning lights came on. I hit the brakes to pull over, only to realize I had lost braking power. I managed to steer to the side of the road as carefully as possible and bring the car to a stop—despite having no brakes and a fire burning under the hood. I tried downshifting to slow the vehicle, but the transmission didn't respond, and the cabin began filling with smoke. Once I stopped, there was nothing I could do to extinguish the fire, as the car was completely consumed within seconds. It was a fire in the engine bay; I lost the brakes, and the abs and traction control lights lit up. I assume it was a critical failure in the braking system, most likely involving the abs module.

See all problems of the 2011 Hyundai Sonata 🔎.

I was driving my 2015 Hyundai Sonata approximately 35 mph after leaving the Hyundai dealership following an engine replacement when the hood unexpectedly flew completely open without warning. The hood struck the windshield, completely obstructing my forward visibility and creating an extremely dangerous situation. I was able to safely pull over without causing a collision, but the vehicle sustained extensive damage and was declared a total loss by my insurance company. During the same service visit in which the engine was replaced, the dealership recommended replacing the hood latches, but I declined that repair. Hyundai later informed me that the hood latching system was functioning properly after the engine replacement and that the vehicle passed its post-repair inspection and road test. Approximately one mile after leaving the dealership following the engine replacement, the hood unexpectedly opened while I was driving. There were no hood-ajar warnings, warning lights, or other indications that the hood was not properly secured before the incident. The sudden loss of visibility created a serious risk of a crash that could have resulted in severe injury or death. I am submitting this complaint because I believe this incident represents a significant vehicle safety issue that should be investigated.

I was driving my 2014 Hyundai Sonata that I only had for 3 months when it just quit on me. I pulled over and seen when white smoke was coming from the wires.

My engine seemed to be consuming oil way to much I had to do a oil change at 61,000 recommend by tire plus but at 58,000 is when I had to change my oil I also noticed there is a buring smell and its also been leaking oil at times I went to get it checked out by a mechanic at tireplus but they also they are seeing that the oil consumption was not normal and they recommend a possible recall for it because it hazardous for how fast its consuming and the leaks.

I was only in the car for about 4 minutes then came to a stop light. Once the light had turned green I pressured down on the gas, my car rolled for a second then died on me, causing it to go into accessory mode. Instantly three lights came the check engine light, battery light, and low oil light. The car would take at least 5 seconds to turn back on then would fall back into accessory mode randomly. Tried to jump the car 4 times, issue still remains. What sucks about this is that the mechanic shop can’t even figure out what’s wrong. They thought it was the high pressure fuel pump. . Turns out it’s not.

. The horn on steering wheel only works when steering wheel is turned completely right, and it is available for inspection upon request. . My safety and others put at risk, when needing to use horn to warn pedestrian or another driver of near miss incidents. . Problem been reproduced and confirmed by independent service center. . Component been inspected by authorized mechanic shop. . There are no warning lames, messages or other symptoms of the problem prior to the failure in this vehicle, and problem started on 6/02/2026 on my way home from work when I tried to use horn to warn another vehicle and it didn't work.

On may 28, 2026, the panoramic sunroof on my 2015 Hyundai Sonata became off track while I was driving. I could not get the sunroof back into its proper position because it was off track. I continued driving, and while I was traveling on the highway, the sunroof panel detached from the vehicle and flew down the highway. This created a serious safety hazard to me and other motorists. I was not the original owner and did not know the vehicle was subject to a recall. After the incident, I researched the vehicle and discovered Hyundai's Sonata panoramic sunroof recall, campaign 152. Hyundai's official website states that my vehicle is affected by the recall. Hyundai's recall description states that the wind deflector can interfere with the movable sunroof panel and, in some cases, cause the panel to detach from its mounting tabs. It specifically warns that if the panel detaches while the vehicle is in motion, it could become an obstacle to other drivers and increase the risk of a crash. This is what happened to me. After discovering the recall, I took the vehicle to a Hyundai dealership to have the recall addressed, but the dealership refused to perform the recall repair. Hyundai's website states that the dealer will repair the wind deflector anchor plate at no charge. I'm asking NHTSA to determine the appropriate remedy when the recalled condition actually occured and resulted in the sunroof panel detaching while the vehicle was in motion.

Unknown car was driving fine no warning lights and the car died. Tried to stat back up and engine wiring harness on top of motor caught on fire.

See all problems of the 2012 Hyundai Sonata 🔎.

1. ) following Hyundai's 9c2 campaign update for the ecu that was completed back on may 27th, 2026, my 2015 Sonata went into limp mode [solid check engine light present] while I was accelerating up an on-ramp on the 2nd drive cycle since the update was performed. I was already far away from the dealership so I was forced to limp it to my local shop that I regularly use to have it checked out. It was confirmed that the code on the vehicle was p200a for intake manifold runners. Since the update was for smog regulation, the code was cleared in order to see if it would come back. Since then, it has not, however the vehicle continues to have one persistent problem. The rpms will dramatically dip and then surge back upwards while the car is coasting (no gas and no brake applied). 70% of the time, you can feel the car violently jerk as it appears to try and correct itself. 2. ) I've brought this car to multiple dealerships, have a case open with corporate and have also found that this is a systemic issue with this specific update in these cars. All and all, nothing has been done. I'm repeatedly turned away over and over again because their techs are only permitted to look into it once they have hard evidence of a fault. In this case, that would be a dashboard light. I'm told that I may only return if the check engine light comes back, which as I mentioned previously, posed a huge safety risk to myself the first time it appeared. If I can only go 55mph down the highway, I am at risk of being rear-ended or struck in some way. 3. ) the problem has not been reproduced by the dealer as they will not test drive it to see the dip and spike. However, the code was still pending for awhile in the vehicle before it cleared it on its own, so that was acknowledged by at least one place. 4. ) vehicle has not been inspected by anyone but a dealership and local mechanic. 5. ) no other signs prior to the vehicle limping out on me other than some acceleration concerns on may 27th, 2026.

I received a notice from Hyundai that there was a service campaign 9c2 for my car. My car was running fine but I took it to jones Hyundai in belair MD for oil change and the service campaign. After this work was done my car lost driveability, poor throttle response and transmission searching for correct gear. I notified Hyundai about my concerns and they replied they opened a case number. Corporate advice so far has been to let the car warm before driving, which has been marginaly helpful. It is hard to merge with high speed traffic because of poor throttle response and transmission searching for correct gear, I have had some close calls. I think cold weather will increase this problem.

The panoramic sunroof/front movable glass panel on my Hyundai Sonata n line appeared to spontaneously shatter while driving on the highway. Weather conditions were clear and normal at the time of the incident. There was no traffic around the vehicle, no bridges or overhead objects nearby, and I did not observe any object strike the roof before the glass failed. The vehicle has approximately 20,000 miles. The glass suddenly developed widespread cracking and a large opening in the panel. The glass also appeared to lift/bulge upward around the damaged area. There was no obvious impact point or bullseye pattern visible that would clearly indicate an object strike. The failed component was the panoramic sunroof/front movable glass panel. The damaged component is still available for inspection. This created a serious safety concern because shattered glass could have entered the vehicle while driving at highway speeds and could have caused distraction, injury, or loss of visibility/control. The vehicle has been inspected by a Hyundai dealership. I was informed the panoramic roof assembly may require replacement. I am filing this complaint because the failure appeared spontaneous and may indicate a defect or structural stress issue with the panoramic roof glass. There were no warning lights, alerts, or prior symptoms before the failure occurred. Photos of the damage are available for inspection.

See all problems of the 2025 Hyundai Sonata 🔎.

The cars fan is constantly running even when the car is cool. I think it has to do with the itms I contacted the dealer and they said there’s nothing they can do about it this happens every time the vehicle is started even when I am parked. The fan is constantly running at 100%.

I am writing to report a serious, premature failure of a primary emissions and safety-related component (the catalytic converter) that has occurred as a direct consequence of a known, unaddressed manufacturing defect in Hyundai's theta ii engine. My vehicle has a documented history of excessive engine oil consumption. This inherent manufacturing flaw causes the engine to burn motor oil at an extreme rate, forcing unburned oil directly into the exhaust system. Over time, this oil has fouled and destroyed the catalytic converter substrate, triggering trouble code p0420 and causing a complete component failure. A dealership inspection at heritage Hyundai towson (ro #xxx) confirmed "excessive wear" and failure of the catalytic converter. Because the catalytic converter is failing prematurely due to a liquid defect (excessive oil burning) rather than standard wear and tear, it poses an environmental hazard, compromises vehicle emissions control, and can lead to sudden engine stalling or reduced power while driving, presenting an active safety risk. Hyundai motor America (case #xxx) has formally denied assistance to rectify this consequential damage, despite full awareness of the underlying engine defect. I request that NHTSA investigate how Hyundai’s ongoing oil consumption manufacturing issues are causing cascading safety and emissions component failures in these vehicles. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

As I was merging onto the interstate I put my foot on the gas pedal to give it a little more gas then usual to get pulled out and all of a sudden all the lights on the dash board illuminated and it slowly lost all power I was able to move it out of the road . . . There was no loud ,knocking or ticking noises prior to this happening there was no type of any kind of warning . . My car is the push start button so after the car died completely I hit the push button and all the lights on the dash came on the radio worked and everything else seemed to be working it was when I went to put my foot on the brake to start it it would do nothing it would not start at all . . I was still able to put it in neutral even after the incident happened . I had it towed t Hyundai of bristol to have it inspected well they did verifi that the engine was locked up but failed to give me any information on the test they ran or how they keep it was locked up and what locked it up so then they have my car over a week and they tell me I need a new engine but then contact me to tell ke that hma refused to replace the engine on warranty and I had the campaign 953 completed the knox sensor thing before my car broke down so then I had to pay for towing once again out of my pocket to go pick the car from their dealership so when I got there to get my car the service was not that great and my car was in a mess very uncalled for the battery to the car was completely dead with that being said we had to use another battery to just get it turned on to even put it in neutral well then fuel started spraying from the fuel line , the engine cover was left off right along with engine mount was taken off and they even took the belt off there were bolts laying all over my hood of my car and I'm pretty sure we lost a few transporting the car back . . Their service they provided was not business/professional behavior and very disrespectful at that . . Returning my car in that condition was very unnecessary.

On my 2011 Hyundai Sonata GLS, both rear tail lights have melted to the point that the lightbulbs cannot be extracted and the brake and tail lights no longer work. When I looked into this, I found out this is a common issue on 2011 Hyundai Sonatas. It is almost always caused by excessive heat from the standard incandescent bulbs, which damages the wiring harness and deforms the plastic housing. When I called the closest Hyundai dealer (in chico, California), they told me the warranty had expired last year and that I should have received a notice about it after I obtained ownership of the car in March 2025 (a little over a year ago). However, I did not receive a notice about this. Since the tail lights do not work properly as a result of this problem, it is a safety issue as it could cause an accident. It should be a recall repair instead of a warranty that expires. My car is still well under the 200,000 mile limit that was set on the extended warranty, but they're refusing to honor that because of the warranty being expired.

Car just stated making g noise went into lp. Mode now saying k ock sensor.

See all problems of the 2016 Hyundai Sonata 🔎.

I have a Hyundai Sonata 2017 one year after I bought the car I started having acceleration problems. I have had the throttle changed and the valve gasket cover repaired. On April 15, 2026 the check engine light came on. On April 29th I got theta 2 emissions update installed at Hyundai auburn, al. I took it too auto zone the same day the code p1326 was showing up and p0014. On may 5th my car entered limp mode for excessive oil leakage, I got an oil change April 6, 2026. My car has never done that until the update was installed. I get my oil changed every 6 months and also have sent them records. They denied my claim due to lack of maintenance.

I was driving my vehicle on multiple occasions in which the car started to alarm and say, "check charging system" at which point the car stopped all together. Also, when the cruise control is engaged, it will turn off automatically. It doesn't matter the speed the cruise control is set at, it will turn off.

My 2016 Hyundai Sonata is experiencing severe oil consumption due to a known Hyundai engine defect. The engine burns oil rapidly and loses more than a quart between oil changes. This creates a safety hazard because the engine can stall, seize, or fail while driving. The Hyundai dealership did not perform the official Hyundai oil-consumption test. They only checked the dipstick, noted the oil was low, and submitted a request for a paid combustion cleaning. Hyundai declined to pay for the cleaning, and the dealership is refusing to perform the required oil-consumption test unless I pay $750. 00. Hyundai corporate also refused to authorize the test, stating the vehicle is out of warranty, even though this is a known engine defect affecting many Hyundai vehicles. Without the official test, Hyundai will not review the engine defect or consider a goodwill engine replacement. This is a safety issue because the engine can fail without warning. The dealership and Hyundai are refusing to perform the required diagnostic test unless I pay $750, and refusing to review the defect without that test.

2004 Hyundai Sonata GLS front sub frame (k frame) has rusted out but I guess for certain VIN numbers there was a recall. Mine has the same issue and has caused suspension issues with the control arms and axles, subframe has snapped due to rusting in michigan.

See all problems of the 2004 Hyundai Sonata 🔎.

Car is stuck in the drive position and won't change into neutral not park even with pushing the shift lock release button. I turned it off and now it won't even start.

The horn on my vehicle completely stop working. There were no alert messages and I found out that it wasn't working when I needed to use it. I was driving 55 miles per hr in a highway and another vehicle was about to switch lane to merge into my lane and driver did not see me and almost got into an accident. When I try to use the horn to alert tge other vehicle, horn did not work. It still doesn't work. Took my vehicle to millenium hyunday dealership in hempstead, NY and was told by service advisor that horn is only covered up to 60,000 mike's because is an electronic feature. I disagree with that assessment and believe this is a safety feature that needs to be reevaluated.

See all problems of the 2024 Hyundai Sonata 🔎.

I wanted to report the failure of my rear camera and/or the electrical circuit that is tied to it. It's my understanding that Hyundai has issued multiple recalls across different years/vehicles for issues in this area. My 2019 Sonata is not included in those current recalls. I was without my vehicle for a week and was charged over $1600 to repair. The issue was diagnosed and repaired by an independent mechanic. When they system failed numerous error lights/warning went off and continued to cycle thru (plus beeping). I wanted to report this in hopes of continued pressure on Hyundai to add this model/year to their recalls.

See all problems of the 2019 Hyundai Sonata 🔎.