Hyundai EQUUS problems and owner complaints

DRIVER BEHIND ME ALERTED THAT MY BRAKES WORKED BUT MY BRAKE LIGHTS DID NOT WORK. HE INDICATED THE POTENTIAL FOR SERIOUS ACCIDENT ON THE NATION'S HIGHWAYS. DEALER REPLACED BRAKE HARNESS DIODE Z06. AGAIN ON 20MAY2014, THE SAME THING HAPPENED. THIS TIME, DEALER REPLACED DIODE Z01. THERE WAS NO AUDIBLE OR VISUAL WARNING ON THE DASH ALTHOUGH VEHICLE PERFORMS A "SYSTEM CHECK" AT STARTUP AND WARNS OF MINOR ALERTS LIKE LOW TIRE PRESSURE. I AM AFRAID TO DRIVE THE VEHICLE AS I AM A RETIRED PERSON AND I MUST DEPEND ON THE SAFETY FEATURES OF MY CAR. …

Owner-reported narrative. 14,948 miles reported. Look up ODI 10616518 at NHTSA ↗

I WAS DRIVING THE HARD AND I HAD TO COME TO A STOP ON THE HIGHWAY. ALL OF A SUDDEN MY BRAKES TURNED SPONGY AND I SWERVED TO MISS A CAR. I HAVE HAD THE MASTER CYLINDER REPLACED THINKING THAT WAS THE ISSUE BUT IT WAS STILL SPONGY. I THEN NOTICED THE RECALL ON THE GENESIS AND I CONTACTED HYUNDAI. I ASKED DID THE RECALL AFFECT THE EQUSS SEEING HOW THEY ARE THE SAME PART NUMBERS. THEY TOLD ME NO AND IT DIDN'T FALL UNDER THE WARRANTY EITHER. THEY SAID I WOULD HAVE TO PAY AROUND $2800 TO HAVE IT FIXED. I DON'T UNDERSTAND HOW THE SAME PART GOES BAD ON …

Owner-reported narrative. 92,741 miles reported. Look up ODI 10881849 at NHTSA ↗

TL* THE CONTACT OWNS A 2011 HYUNDAI EQUUS. THE CONTACT STATED THAT THE INSTRUMENT PANEL AND ALL OF THE ELECTRICAL COMPONENTS FAILED. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION BUT THEY COULD NOT DIAGNOSE THE CAUSE OF FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED BUT PROVIDED NO ASSISTANCE. THE FAILURE MILEAGE WAS 11,000.

Owner-reported narrative. 11,000 miles reported. Look up ODI 10499916 at NHTSA ↗

TL* THE CONTACT OWNS A 2011 HYUNDIA EQUUS. THE CONTACT STATED THAT THE VEHICLE WAS PARKED IN A RESIDENTIAL GARAGE WITH THE ENGINE TURNED OFF. WHEN THE CONTACT ENTERED THE VEHICLE, HE NOTICED BROWNISH SOOT WITHIN THE INTERIOR OF THE VEHICLE. THE DRIVER'S SIDE DOOR AREA AND SEAT WERE BURNT. IN ADDITION, A SMALL PORTION OF THE CONSOLE MELTED. THERE WERE NO FLAMES VISIBLE. THE FIRE DEPARTMENT WAS CALLED TO THE SCENE WHO STATED THE FIRE WAS ELECTRICAL. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER WHERE AN INDEPENDENT INSPECTOR PERFORMED FURTHER INV…

Owner-reported narrative. Look up ODI 10508541 at NHTSA ↗

ECS malfunction ADAS malfunction Car rides rough and unstable steering control Several dealerships have reviewed and replaced rear air shocks and compressor with no resolution No response from manufacturer about problem Creates very unsafe driving conditions ECS malfunction warning appears sometimes not always

Owner-reported narrative. Look up ODI 11439082 at NHTSA ↗

STEERING LOCKS UP WHILE MAKING A COMPLETE TURN

Owner-reported narrative. 5 miles reported. Look up ODI 11161843 at NHTSA ↗

The contact owns a 2011 Hyundai Equus. The contact stated that while his wife was driving at an undisclosed speed, the vehicle stalled however, the driver was able to pull to the side of the road where the vehicle lost motive and was unable to be restarted. The contact stated that he was unaware of any warning lights being illuminated. The vehicle was towed to an independent mechanic who advised that they would attempt to restart the electronic computer module (ECM). The repair was successful however, the contact stated that the independent mec…

Owner-reported narrative. 50,000 miles reported. Look up ODI 11463358 at NHTSA ↗

I WAS DRIVING ON I-85 S FROM NORTH CAROLINA WHEN SUDDENLY MY CAR STARTS TO FEEL LIKE IT WAS DRAGGING. I CONTINUED TO DRIVE FOR A FEW MORE EXITS TO SEE IF IT WOULD STOP. I GOT OFF AFTER FOUR EXITS, TURNED OFF THE CAR, AND CHECKED THE TIRES. NOTHING APPEARED WRONG. I WAITED SEVERAL MINUTES AND I STILL COULD NOT DETERMINE A PROBLEM SO, I RETURNED TO I-85 S. THE PROBLEM HAD STOPPED. SEVERAL DAYS LATER, THE PROBLEM RETURNED. I WAS DRIVING ON A CITY STREET WHEN SUDDENLY THE DRAGGING FEEL BEGAN. I TOOK IT TO THE DEALERSHIP BUT THEY WERE UNABLE …

Owner-reported narrative. 100,000 miles reported. Look up ODI 11120749 at NHTSA ↗

I was driving on the highway and my transmission due to a failed transmission service done to my vehicle caused my vehicle’s transmission to overheat a blowout my transmission cooler and mix coolant and transmission fluid unknown to me because of a clogged transmission cooler line improperly flushed instead of replaced by the Patrick Hyundai dealership there could’ve been and electrical fire or a crash due to these things.

Owner-reported narrative. Look up ODI 11748611 at NHTSA ↗

I am reporting a severe vehicle safety hazard involving a sudden loss of motive power and extreme thermal failure on my 2012 Hyundai Equus Signature 5.0L. In July 2022, at 88,845 miles, an authorized Hyundai dealership replaced the transmission under a factory warranty event. Rather than replacing the transmission oil cooler assembly, which was contaminated with heavy metal shrapnel from the original mechanical breakdown, the servicing dealer chose to only flush the lines, creating a latent fluid restriction. After approximately 18,000 miles of…

Owner-reported narrative. Look up ODI 11749120 at NHTSA ↗