10.0

really awful
Crashes / Fires:
8 / 2
Injuries / Deaths:
5 / 0
Average Mileage:
27,075 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2015 Hyundai Sonata brakes problems

brakes problem

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2015 Hyundai Sonata Owner Comments (Page 1 of 3)

problem #55

Nov 032023

Sonata

  • miles

A D V E R T I S E M E N T S

My hydraulic brake booster went out, Very dangerous i almost had an accident, the car doesn-??t stop, there are no brakes the car would not stop I-??f the hydraulic brake booster goes out you have no brakes and if you-??re over 50 miles an hour the E break barely does anything it just sounds like you grinding into the ground. Very scary and I had a child in the car. Towed car to Hyundai.

- South Bend, IN, USA

problem #54

Sep 042023

Sonata

  • miles
Trying to break after being hit to prevent hitting another driver. Ended up hitting the driver still and my car ended up catching on fire.

- Atlanta , GA, USA

problem #53

May 232023

Sonata

  • miles
The car has had multiple issues with the hybrid system. I-??ve taken it to the dealership about 4-5 times. They -??fix-?? the issue but a little while later I-??m having more hybrid warming issues. This last time I took it to a different dealership, paid for a diagnostic test, and was told my hybrid system was bad but because it was repaired too many times instead of replacing it, it-??s no longer covered under warranty. The issue from the last diagnostic test showed the master brake cylinder was faulty, I replaced it but I-??m still having the same issue. The mechanic I took it to did their own diagnostic test and it showed there is an issue with the hydraulic booster, high pressure accumulator short term charge. When I searched the issue, I-??ve found that many people are having the same issue with the same car/year as mine. I contacted the manufacturer and they are still not willing to fix it even though it is a possible defect in the car.

- Longwood , FL, USA

problem #52

Jul 052023

Sonata

  • miles

A D V E R T I S E M E N T S

I would like to write about my experience with New Port Richey Hyundai. I have owned a Hyundai Sonata Hybrid Limited since 2015. I take immaculate care of my car and it only has 65,000 miles. All maintenance has been done regularly and on time. For the last six months I have had a warning light and alarm going off for a few seconds once in a while, which shuts off my cruise control. I took the car in, in the spring of 2023 to have the codes read and no problems were found. Finally, In July of 2023, while my wife was in traffic it started again and totally shut off the car. Unfortunately, the brakes did not work as well. She was going up a slight incline and was able to come to a stop. The brake pedal went completely to the floor. The warning was about a Hybrid System Failure. It was very upsetting to her that her brakes failed when the Hybrid system had a problem. This should never happen! Once the car was towed to New Port Richey Hyundai in Florida, we were told that the car would be look after. The car was returned in the middle of July 2023 with a new electric motor installed. Everything was working fine until today, August 23, 2023. The same warning light that I brought the car in for in May 2023 is going off again. It only stays on for a second or two, so I don-??t have time to read it. I really hope this car does not shut off again with no brakes when traveling on the interstate. As mentioned before the car has low miles and is well cared for. This should not be happening.

- New Port Richey, FL, USA

problem #51

Jul 272023

Sonata

  • miles
While turning in an intersection on a highway, car displayed check hybrid system and shut down. power steering could not engage so braking and turning was almost impossible. Car had to be towed, was not able to be restored

- New Haven, IN, USA

problem #50

Feb 242023

Sonata

  • miles
When I am driving car starts shaking a little I stop at a light and when I want to accelerate all of a sudden I step on gas and it wont drive i in middle of intersection it started shaking like it was going to turn off but didn't the check engine light came on but it never turned off i slowly accelerated and it kept driving I got to work turned it off when I turned back on the check engine light was no longer on.i have no idea what happened or why. And my brakes always make noise i had my breaks done in November they don't need replaced yet

- North Las Vegas, NV, USA

problem #49

Jun 122022

Sonata

  • miles

A D V E R T I S E M E N T S

Sensors lights would indicate an issue and would disappear sometimes without any reason (mainly Check Engine and Tire Pressure Sensors). Indicators would trigger the opposite direction (indicate right and the left indicator would turn on). Burning more fuel than expected. Primary fuel pump stopped working resulting in car stopping in the middle of the road.

- Danville, PA, USA

problem #48

Jan 052022

Sonata

  • miles
Vehichle goes into limp mode on highway causing a drastic reduction in speed. Dash says hybrid alert do not drive. Loss of speed put me in danger due to loss of power and vehicle control. Dealer claims it is a bad brake booster that caused car to go into limp mode-€¦ Want to charge me 3k to fix.

- Mcallen, TX, USA

problem #47

Nov 012022

Sonata 4-cyl

  • miles
1. What component or system failed or malfunctioned, and is it available for inspection upon request? (LEFT REAR BRAKE PAD. FOUND CALIPIER IS SIEZED IN BRACKET.RECOMMEND REPLACING BOTH REAR BRAKE CALIPER BRACKETS, BOTH REAR ROTORS AND BRAKE PADS (BOTH REAR BRAKE CALIPER BRACKETS WITH ELECTRONIC PARKING BRAKE WITH PINS) ( Yes, available for inspection upon request) 2. How was your safety or the safety of others put at risk? (Brake failure will cause fires & COSTLY ACCIDENTS ) 3. Has the problem been reproduced or confirmed by a dealer or independent service center?(YES, confirmed by Hyundai Dealership) 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others?( Inspected by dealership) 5. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? (No warning lamp, message. Problem was found upon yearly inspection ) Appreciate your immediate attention for a reimbursement or claim on this serious matter for my 2015 Hyundai Sonata Limited. Rgds [XXX], [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

- Chespeake, VA, USA

problem #46

May 312022

Sonata

  • miles
When driving my 2015 Hyundai Sonata Hybrid, it will randomly start flashing and beeping at me with the saying "check brakes" Also my ABS Brake light comes on. This function only happens at random causing me to shut off my car completely and restart. It has really become a problem after I reached 112000 miles on the vehicle. I bought the vehicle with 80,000 miles. Anyone driving in my car is put at risk due to brakes not working accurately and are spongy feeling when pressed down. If I were to have to slam on brakes, I would ultimately run into another vehicle or object since the braking system during this issue does not work correctly. I have called the dealership to ask about the recall. No recall on this issue but online, similar issues have been documented.

- Easton, KS, USA

problem #45

Sep 242022

Sonata

  • miles

A D V E R T I S E M E N T S

My power steering light came on last night when I arrived from work on Saturday night. Was hoping to take it in to be looked at but the dealership I bought it from is closed till Monday at 10. Woke up Sunday for work decided to see if the light was still on but it was off but about 7 minutes into the the light came back on along with the abs light, engine light, and oil light. I believe a couple more lights came on but not sure which ones but the car stopped working and starting completely

- Brooklyn Park, MN, USA

problem #44

Mar 032022

Sonata

  • miles
The check engine light intermittently comes on, when on the car will stall when trying to accelerate, often accelerate when not intended, and runs rough. A second issue seems to be with the ABS system. On several occasions the ABS systems seems to engage and will not allow you to use the breaks (almost leading to several rear end collisions).

- Alachua, FL, USA

problem #43

Mar 242022

Sonata

  • miles
This is a follow-up to former Complaint #11450586 (05-Feb-2022) and confirms that both my local Hyundai Dealer -and- Hyundai Corporation (USA) are aware of this diagnosable- and fixable problem-€"but they fail to issue a recall. In fact, a Service Advisor at my dealer expressly vocalized that 1) he himself [excluding his colleagues] has seen at least -2- of the same incident recently; and that 2) Hyundai Corporation (USA) issued a -€œ(service) bulletin-€ about the problem. PROBLEM: The vehicle: 1) has a high idle; 2) shows a solid-illuminated CEL/emissions light; 3) severely resists braking-€"my vehicle would even slide through stop signs; 4) fails to -€œpick up-€ normally; and 5) drives unsteadily. This is at minimum and is my experience from both last week and from the original report on 05-Feb-2022. As explained to me today (28-Mar-2022) by my Service Advisor, there is a known fault with a component within the engine (Powertrain). Specifically, there is a tube that is-€"as I understand-€"meant to be FREE of fluids. However, and per the Bulletin, the tube becomes full or over-filled with oil from the engine (Powertrain). Further, the Advisor suspects that changes in temperatures (e.g., such as the teens back in Feb 2022) causes that oil/fluid to expand and contract, causing (further) damage. This issue must be remedied by Hyundai Corporation (USA) immediately because it is a *SAFETY RISK.* My Dealership emphasized severely how unsafe it would be to drive the vehicle off their premises without a repair. I-€™m fortunate because I-€™m the original owner and thus am covered by the 10 yr/100,000 mi Powertrain warranty. PLEASE SAVE LIVES FROM THESE -€˜FLYING-€™, UNCONTROLLABLE CARS BY MANDATING A RECALL. * will provide Dealer-€™s documentation once vehicle is repaired. I was advised to wait 2-8 wks for parts and repair.**

- Mentor On The Lake, OH, USA

problem #42

Apr 142021

Sonata

  • 53,516 miles
The day I bought the vehicle from carmax, it was brough to my attention that theses been a recall request on the vehicle's parking break system. I'd like to get that checked out. Also, it seems as tho my left rear tire runs out of pressure quite frequently, as I've had to fill it up twice in the last two days (it got down to 24 for a day.) these are immediate risks that I need taken care of asap. Thank you fr your time

- Round Rock, TX, USA

problem #41

Jan 202021

Sonata

  • 125,200 miles
The emergency parking brake light does not come on when set, however parking brake does function.

- Harrisonburg, VA, USA

problem #40

Nov 182020

Sonata

  • miles
I own a 2015 Hyundai Sonata and I own it since beginning. All of a sudden the key features such as blind spot detection (bsd), along with anti-lock braking system (ABS) and car skidding prevention system stopped to work in my car. I contacted Hyundai dealership (with my car clocking about 62,650 miles) and I was told that such important safety features are not covered under warranty. When I contacted Hyundai usa corporate office, I was told that such key safety feature can go wrong any time which was such a shocking news for me and my family. My car does not detect any vehicle which is coming/passing through at high speed, and the real worst thing is that it's anti-lock braking system (ABS) and skidding warning system are not at all functioning which compromise the safety of my family. I am really concerned for the safety of my family and other people traveling in different car at the same time. My family's safety means nothing for dealership or tp Hyundai corporation but they are just concerned to bill me and my family hundreds of dollars for their faulty parts/safety system at this pandemic time.

- Pembroke Pines, FL, USA

problem #39

Jul 032020

Sonata

  • 109,000 miles
TPMS module failure in concert with ABS module failure. Result in increased braking effort, warning lights and speedometer inoperative

- Stockton, CA, USA

problem #38

Sep 012020

Sonata

  • 67,000 miles
The contact owns a 2015 Hyundai Sonata. The contact stated that while his wife was pulling out of the driveway, the brakes failed to operate without warning. Due to the failure, the vehicle rolled into some bushes at a low rate of speed which stopped the vehicle. The vehicle regained normal braking function. The contact also stated that upon approaching a four way stop, he depressed the brake pedal however, the brakes failed without warning. Due to the failure, the contact drove through an intersection and another vehicle swerved to avoid crashing into the contact's vehicle. The contact also stated that the vehicle regain braking functionality soon after the failure. The manufacturer was notified of the failure and the contact was informed that there were no recalls on the vehicle. The contact was given a case number. The vehicle was not repaired. The failure mileage was approximately 67,000.

- Walkerton, IN, USA

problem #37

Feb 012020

Sonata

  • 45,000 miles
Brakes and rotors have been replaced. Noticed that it's taking longer for me to stop along with squealing of front brakes.

- Buena Park, CA, USA

problem #36

Dec 042019

Sonata

  • 52,000 miles
Hybrid system warning. Check brakes. Do not drive. The car shuts down while you are driving and you get this warning with alarms dinging loudly. It renders the car unusable and is unsafe in traffic. If you turn the car off and wait you can restart it but it just happens again. It happens on the freeway at high speed and on slow side streets. Took it to the dealer and they said it was a sensor in the brake booster so we replaced it. A week later it happens again. About a year before we got a similar message: Hybrid system warning. Do not drive. But it didn't say anything about the brakes. Happened multiple times at varying speeds in all weather. The dealer replaced the 12V battery and the message stopped. Now we get the brake problem instead. This is very unsafe as your car shuts down at high speeds! dealers appear to have no solutions that are correct. It is a common complaint on Hyundai owner forums. See the following: Https://www.Hyundai-forums.com/threads/2018-Sonata-hybrid-hybrid-system-warning-safely-stop-and-do-not-drive-warning.652789/#post-5895713

- Houston, TX, USA

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