Problems · NHTSA complaints
2001 Hyundai Sonata problems
Owners filed 219 complaints about the 2001 Hyundai Sonata with NHTSA between Dec 2000 and Dec 2021. The most-cited component is structure (69).
Complaints
219
Filed with NHTSA
Crashes
28
Reported by owners
Fires
1
Reported by owners
Injuries
21
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Structure69
- Air bags47
- Suspension30
- Engine and engine cooling25
- Power train20
- Service brakes, hydraulic19
- Vehicle speed control14
- Electrical system13
- Steering11
- Visibility9
- Wheels6
- Fuel system, gasoline5
- Latches/locks/linkages5
- Equipment4
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
18
20
20
16
14
9
9
29
32
9
7
6
9
5
3
4
2
4
1
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2000 | 1 |
| 2001 | 18 |
| 2002 | 20 |
| 2003 | 20 |
| 2004 | 16 |
| 2005 | 14 |
| 2006 | 9 |
| 2007 | 9 |
| 2008 | 29 |
| 2009 | 32 |
| 2010 | 9 |
| 2011 | 7 |
| 2012 | 6 |
| 2013 | 9 |
| 2014 | 5 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Structure
69 reports3 crashes
“Upper rear control arm is connected to the subframe of the car and it’s rotted/ rusted out where the bushing goes to hold the control arm in place. Where am I supposed to mount the bushing now since it’s no longer there.”
Air bags
47 reports17 crashes2 related recalls
“TL* THE CONTACT OWNS A 2001 HYUNDAI SONATA. WHILE THE VEHICLE WAS PARKED AND UNOCCUPIED, THE DRIVER'S SIDE AIR BAG DEPLOYED WITHOUT WARNING OR IMPACT. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE LOCAL DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE AND VIN WERE UNKNOWN.”
Suspension
30 reports1 related recall
“RECENTLY I HAD A SITUATION WHERE I WAS DRIVING ON COUNTY ROAD WAY AND MY CAR SUDDENLY COLLAPSED AND CAME TO AN IMMEDIATE STOP. TO SAY THE LEAST, I WAS A LITTLE SHOOK UP. I GOT OUT THE CAR AND NOTICED THAT THE DRIVER SIDE WHEEL HAD LODGED AGAINST THE WHEEL WELL. THE CAR WOULD GO INTO GEAR BUT IT WAS MAKING A KNOCKING NOISE SO I TURNED IT OFF. A DRIVER OF A GREEN SEDAN CAR WAS BEHIND ME AND I WAS TRYING TO WAVE HER AROUND ME BUT SHE STOPPED AND ASSISTED ME INTO GETTING MY CAR OFF THE STREET BY PUSHING MY CAR WHILE IT WAS IN NEUTRAL. I AM ONLY TELLING YOU THIS BECAUSE THERE WAS NOTHING WRONG WITH MY CAR BEFORE THIS INCIDENT. I WAS TOLD BY HYUNDAI THOMPSON THAT MY CAR WOULD NOT START AFTER IT WAS TOWED THERE. I WENT THERE THE NEXT DAY AND THE CAR DID START BUT IT WOULD NOT GO INTO GEAR WHICH WAS A SURPRISE TO ME. I WAS TOLD THAT THEY MAY HAVE TO CHECK THE TRANSMISSION AND TALK TO YOU TO SEE IF THAT DAMAGE WOULD BE COVER UNDER THE RECALL FOR REPLACING THE ENGINE CRADLE. AFTER HYUNDAI THOMPSON REPAIRED MY CAR I HAD TO TAKE IT BACK FOR A ROARING NOISE CAUSED BY THE WHEEL BEARING IN THE WHEEL THAT JAMMED AGAINST THE WHEEL WELL WHEN THE AXLE SNAPPED OFF THE SUBFRAME.…”
Engine and engine cooling
25 reports
“I CAME TO A COMPLETE STOP AFTER DRIVING ONLY 10MPH, MY ENGINE CRADLE DROPPED DOWN THERE FOR SMASHING THROUGH MY FRONT AXEL, AND TURNING IN BOTH OF MY FRONT WHEELS. NOT REALIZING WHAT HAPPENED I CONTINUED TO DRIVE TO A REPAIR SHOP. BOTH TIRES POPPED. I CALLED A TOW TRUCK AND PAID AN OUTRAGEOUS AMOUNT TO GET A TOW TO A REPAIR SHOP. I WAS WITHOUT A CAR FOR 2 WEEKS WHILE THEY REPLIED MY VEHICLE WHICH COST ME ALMOST $1,300. MY INSURE COMPANY WOULD NOT TOTAL OUT MY VEHICLE BECAUSE THEY SAID IT WAS DUE TO SALT CORROSION AND RUST (WARE AND TEAR). DID I MENTION I WAS ON VACATION WHEN THIS HAPPENED? $$$. NOW MY TRANSMISSION IS TROUBLE SHOOTING SOMEHOW (151,000 MILES). IT'S HAVING TROUBLE SWITCHING GEARS AND IT HITS PRETTY HARD WHEN IT FINALLY DOES. I HAVE TO TURN THE CAR OFF AND TURN IT BACK ON, SOMETIMES THIS HELPS SOMETIMES IT DOES. MY RPM SHOT UP TO 4 OR 5 WHICH BURNS GAS LIKE CRAZY. THE RUST ON THE REAR WHEEL WELLS AND BOTTOM IS UNFIXIBLE. STEERING WHEEL SHAKES REALLY BAD AT SPEEDS 60+. MY REAR STRUTS ARE RUSTED AND NEED REPLACED. *TR”
Power train
20 reports
“WHEN I ACCELERATE FROM A STAND STILL,( STOP SIGN, STOP LIGHT, ETC. ) THE CAR FREQUENTLY HESITATES BEFORE IT STARTS MOVING, WHICH MAKES IT DANGEROUS NOT KNOWING IF YOU ARE GOING GET ACROSS A STREET BEFORE TRAFFIC GETS TO YOU. I HAVE HAD THE CAR IN MANY TIMES TO THE DEALER, BUT THEY HAVE FAILED TO FIND THE PROBLEM. BUT THEY HAVE DONE MANY EXPENSIVE REPAIRS THAT HAD NO EFFECT ON THE HESITATION. I SEE FROM OTHER BULLETINS THAT I AM NOT THE ONLY ONE HAVING THIS PROBLEM. *TR”
Service brakes, hydraulic
19 reports4 crashes
“HYUNDAI SONATA 2011 PUSH BUTTON START. I AM THE ORIGINAL OWNER OF THE VEHICLE. YESTERDAY I WENT INTO MY CAR AND PROCEEDED TO START MY CAR. I HAD TO PUSH THE START BUTTON THREE TIMES BEFORE ACTUALLY STARTED UP. THIS HAPPENED TWICE WITHIN 2 HOURS. 5 DAYS PRIOR MY VEHICLE HAD BEEN TO THE HYUNDAI DEALERSHIP FOR THE RECALL ON THE STOP LAMP SWITCH. AN EXISTING RECALL (NHTSA CAMPAIGN NUMBER: 13V113000) INDICATES THAT FOR THE 2011 HYUNDAI SONATA THE STOP LAMP SWITCH MAY NOT FUNCTION CORRECTLY. THEY ,THE DEALERSHIP, PERFORMED THE SERVICE AND REPLACED THE STOPLAMP SWITCH. AS RESULT MY CAR IS EXPERIENCING INTERMITTENT SWITCH POINT CONTACT WITH THE PUSH-BUTTON START FEATURE. THIS IS CRAZY. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.