really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
48,004 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.

2012 Hyundai Genesis brakes problems

brakes problem

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2012 Hyundai Genesis Owner Comments

problem #15

Dec 012016


  • 65,500 miles


Intermittent brake failures. Seems there has been a recall for bad brake fluid on this model year Hyundai Genesis sedan. Hyundai would not cover this vehicle under the recall when contacted. The vehicle has an intermittent soft brake pedal which goes all the way to the floor under hard and soft braking conditions, whether moving fast or slow and in all weather conditions. The brake pads and all 4 rotors are in good repair. There is no air in the brake lines. It appears to be the ABS module that is failing and causing unsafe braking conditions without warning. There are numerous online forum complaints about this module which seems to be a fault in design by Hyundai. My hope is that NHTSA can inform other owners of this model year that unsafe braking conditions can happen at any time from failure of this ABS module.

- Port Allegany, PA, USA

problem #14

Dec 302016


  • 67,724 miles
The brake pedal goes completely to the floor. Brakes act as if failing. Dealer diagnosed brake master cylinder defect, requiring replacement of the master cylinder. Mileage only 67,000 miles.

- Apple Valley, CA, USA

problem #13

Nov 032016


  • 42,700 miles
Sporadically the brake pedal goes all the way to floor. Pedal has to be pumped 2-3 times before brakes engage. This has happened on 3 driving occasions over 10 days. Took it to dealer this morning who said unless he could replicate issue, he will not repair despite prior recall for same issue. Yesterday on phone, he said he would inspect and file claim with Hyundai. Apparently brake fluid was replaced in 2013 due to recall by prior owner. Now same thing is happening. Problem occurs until engine is turned off. 3 times in 10 days is frightening. Fortunately, I was far enough behind car in front to have time to pump brakes.

- Oviedo, FL, USA

problem #12

Oct 182016


  • 43,000 miles


I was driving and went over a slippery area at around 40 mph in the city while braking and my brakes went down to the floor. There was no car in front of me so I was able to slowly come to a stop. However, since then my brakes have not been functioning properly, they slowly go down to the floor under any braking condition. And when I stop at a stop light the pedal continues to depress until it's at the floor. In the past I had this issue when I went over a large dip while braking. However it reset itself shortly after and I didn't have the issue again until today. My car was part of the large recall for the Genesis in which the brake fluid was replaced.

- Port Charlotte, FL, USA

problem #11

Sep 272016


  • 87,000 miles
The contact owns a 2012 Hyundai Genesis. While driving approximately 25 mph, the brake pedal was depressed and traveled to the floorboard. The contact coasted to the side of the road to a complete stop. There were no warning indicators illuminated. The vehicle was taken to an independent mechanic, but the failure could not be diagnosed. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 87,000.

- Rialto, CA, USA

problem #10

Aug 082016


  • 48,493 miles
Brakes went soft after a few minutes of driving. Normal braking through several stop and go intersections. Then a sudden unexpected change which resulted in pressing pedal to the floor and the brakes barely slowed the car. Turning the car off and back on restored braking to normal use.

- Rockledge, FL, USA

problem #9

Aug 022016


  • 64,000 miles


The contact owns a 2012 Hyundai Genesis. While driving 20 mph, the brake pedal was depressed, but the vehicle failed to come to a complete halt. The contact had to pump the brake pedal multiple times in order to stop the vehicle. The failure recurred on numerous occasions. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The contact was aware of NHTSA campaign number: 13V489000 (service brakes, hydraulic), but the VIN was not included. The failure mileage was 64,000.

- Summerville, SC, USA

problem #8

Jul 192016


  • 91,000 miles
My wife and I have a 2012 Hyundai Genesis 3.8 sedan. My wife is the primary driver. She came home one evening and told me that the car failed to stop and went into the intersection as she attempted to stop for a red traffic signal. I immediately drove the car down the street and observed that you had to pump the brakes to stop and the pedal went to the floor. I added some brake fluid and pumped the brakes. I drove the care the next few days and noticed that over time the same thing happened with the pedal going to the floor. I took the car to my mechanic and had all the brakes changed. That cost me over $320. The mechanic advised me that the car had a faulty master cylinder. To shorten the story. Due to the dealer cost of from $275 to $365 for a master cylinder. I bought 2 online and 1 at oreilly auto parts. I spent $105, $81, and $79 for each respectively. Each time the mechanic advised me that the were not compatible. He was so conflicted by the process advised me to take the care to the dealer and told me that with only 91000 miles and a well maintained 4 year old car, it is unheard of for a master cylinder to be faulty. I contacted Hyundai and was told there was no recall nor was my vehicle covered by my factory warrantee. I am a retired auto theft officer so I decided to check with NHTSA for complaints and recalls. I am positive that this recall applies to my car. I have had the same process happen to me regarding the windshield wiper motor. Hyundai would not help so I found a motor at a junk yard. I paid to have it installed. However it only works at one speed. I would like it replaced and a refund for the cost incurred to find and replace it. I also would like the braking system repaired and compensation. Hyundai's recall number is 114. I would like to invoke the lemon law..

- Corona, CA, USA

problem #7

Jun 282016


  • miles
Vehicles brake pedal became very soft and needed to press down all the way down on the pedal for the vehicle to stop. Was driving on the highway when this occurred. Drove straight to the Hyundai dealer and told the service tech of my issue. Received a call from the advisor where he explained the ABS system on the vehicle had failed and needed to be replaced. Cost is $2,300 plus $260 for the front pads. I quickly did a research on my vehicle and saw this is a recall problem with my car but the advisor said that was just a rumor online and it was not true. Called Hyundai and they said the recall was performed at the dealer in January 2014 but I don't have a service record stating this. Calledthe dealer back to gain a copy of the recall work order and it just states "recall item section performed" without any details. Dealer refuses to correct issue and stated my only options are to pay 3K in repairs or drive off the vehicle with care. Also my car just lapsed the 60K mile warranty about 3 months ago.

- Plantation, FL, USA

problem #6

May 302016


  • 47,000 miles
The contact owns a 2012 Hyundai Genesis. While driving 5 mph, the brakes failed. The contact continued to depress the brake pedal and it traveled to the floorboard of the vehicle. The contact was able to use the brakes just enough to get the vehicle to a dealer. The dealer repaired the brakes, but the issue recurred. The manufacturer was not made aware of the issue. The failure mileage was 47,000.

- Courtlandt Manor, NY, USA

problem #5

May 032016


  • 92,000 miles


The contact owns a 2012 Hyundai Genesis. While driving approximately 25 mph and attempting to stop, the brake pedal extended to the floorboard and the vehicle would not stop. After pumping the brake pedal several times, the vehicle was able to be stopped. The vehicle was taken to the dealer where it was diagnosed that the hydraulic electronic control unit was faulty and needed to be replaced. The manufacturer was not notified. The failure mileage was 92,000.

- Douglasville, GA, USA

problem #4

Feb 102016


  • 52,000 miles
Brake pedal occasionally will not engage the brakes until it is at the floor. Feels like a brake failure at first and the pedal moves all the way to the floor before the brakes engage. Almost had a wreck running into the back of someone from this. It does not do this all the time, but is now happening more frequently. Usually once or twice a week.

- Acworth, GA, USA

problem #3

Jan 142016


  • 12,180 miles
I was turning to park in my parking space and all of a sudden the car began to accelerate with such speed that I thought it would jump the curb and crash into my home. I was unable to stop the car and the brakes were unresponsive. It hit the curb and finally came to a stop with a terrible shudder/noise.

- Palm Harbor, FL, USA

problem #2

Mar 172014

Genesis 6-cyl

  • 7,460 miles
While traveling at about 10mph in a parking lot the brake pedal went to the floor when I tried to stop. There was minimal braking. The brakes started to work normally and then failed again within minutes. The car was then towed to the dealer. The dealer said there was no recall on my car and so did Hyundai. I researched the NHTSA data base and found the recall related to brake failures in the Genesis which would have affected my car. I have never received a recall notice even though my car was produced 3/24/12 and according to NHTSA all cars produced up to and including 3/28/12 were to have been recalled.

- Scottsdale, AZ, USA

problem #1

Oct 202013

Genesis 6-cyl

  • miles
I was driving at a speed of around 35 to 40 mph on a street (that's not highway). I was maintaining a proper distance too from the car in front of me. For some reason the car in front of me stopped suddenly. I responded immediately, but the braking was so soft and I felt like nothing has been done and I bumped into the car ahead of me. I really thought at the time of the incident that, something was not right, but didn't think too much into it. A day after I heard these recall news and I can now totally relate my case with the descriptions of other victims.

- Saratoga, CA, USA

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