2026 Hyundai Ioniq 9

The rear motor failed while driving on the highway/interstate at 70 mph.

NHTSA ID

11775491

Incident

Sep 27, 2026

While the vehicle was stationary, the driver pressed a saved profile button on the Integrated Memory System (IMS) on the door panel to adjust the driver's seat. A passenger was seated directly behind the driver in the second row. Upon pressing the memory button, the motorized driver's seat began moving backward toward the saved position. Whether due to a system malfunction or a lack of built-in detection features, the vehicle did not interrupt the motorized movement upon encountering an obstruction. The seat forcefully and continuously compressed backward, squeezing and trapping the second-row passenger's legs. The seat did not stop on its own and only ceased moving when it completely jammed against the passenger, causing minor physical injury to their legs. This constitutes a severe mechanical/software defect and a critical occupant crush hazard.

NHTSA ID

11774444

Incident

Oct 28, 2026

The door sensor on driver side does not operate, when touched does not open or close. However, the door sensor on passenger side works well. Bought car and noticed the defect in one week of ownership, after two months of waiting and diagnosing by dealership, they still were unable to find the solution.

NHTSA ID

11768202

Incident

Jul 30, 2026

The contact owns a 2026 Hyundai Ioniq 9. The contact stated that while triggering the front driver’s side exterior door handle sensor, the auto-flush door handle mechanism retracted without anti-pinch detection while the contact’s fingers and the daughter's fingers were positioned between the handle and the door panel on two separate occasions. The dealer was notified of the failure. The failure mileage was approximately 8,000.

NHTSA ID

11766164

Incident

Apr 22, 2026

Mileage

8,000 mi

On XXX, I experienced a safety-related problem with a rear door on my 2026 Hyundai IONIQ 9. While the vehicle was parked, I attempted to open the rear door from inside the vehicle, but the door would not open. The child lock was believed to be OFF at the time. I attempted to operate the interior door handle, but the rear door remained locked and could not be opened from inside. This incident was directly witnessed by one of my coworkers, who was present when the problem occurred and can confirm what happened if additional information is required. I am concerned that an occupant could be unable to exit the vehicle in an emergency if this condition occurs again. A rear door that cannot be opened from inside could create a serious safety risk in situations involving a crash, fire, electrical malfunction, or other emergency requiring immediate evacuation. The vehicle and rear door locking system are available for inspection upon request. On XXX, I drove the vehicle to Glassman Hyundai in [XXX] because of this issue and a separate windshield wiper safety concern. The dealership did not accept the vehicle for a walk-in diagnosis that day. The earliest available service appointment was scheduled for XXX. The rear-door problem has not yet been reproduced or confirmed by a Hyundai technician, and no repair has been performed. I am not aware of any warning light or warning message related to the rear-door condition before or during the incident. I am submitting this complaint because the inability to open a rear door from inside the vehicle could prevent an occupant from exiting during an emergency, even though the door may operate normally at other times. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11763579

Incident

Sep 10, 2026

On XXX, while driving my 2026 Hyundai IONIQ 9, the front windshield wiper system completely stopped operating. I activated the windshield washer because the windshield was dirty. Washer fluid sprayed normally onto the windshield, but the front wipers did not move. I then tried AUTO, LOW, and HIGH settings, and none of them worked. This created a safety hazard because washer fluid remained on the windshield and reduced visibility while I was driving. I immediately pulled over and parked in a safe location. I tested the wipers again while parked, but they still did not operate. After arriving at my workplace, I tested them again and they remained inoperative. I recorded a video while the malfunction was occurring. The video clearly shows that the windshield wipers would not operate. The vehicle and wiper system are available for inspection upon request. I then turned the vehicle completely OFF for approximately five minutes. After restarting the vehicle, the windshield wipers began operating normally again without any repair. The failure has therefore not yet been reproduced by a dealer or confirmed by a service center. On XXX, I drove to Glassman Hyundai in Southfield, Michigan and requested an inspection as a walk-in. The dealer did not accept the vehicle for diagnosis that day and scheduled the earliest available service appointment for XXX. The vehicle has not yet been repaired. I did not observe any warning lights, warning messages, or other symptoms immediately before the windshield wiper failure. I am concerned that this intermittent failure could occur again while driving in rain or snow, resulting in sudden loss of forward visibility and creating a serious crash risk. The below is the link for the video. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11763577

Incident

Sep 11, 2026

When reaching speeds of approximately 55 to 60 mph, the car would begin to shake and the steering wheel would excessively begin shaking. You did not feel like you had great control of the car. The front two tires required replacing due to the foam being detached/mangled within the tires. The dealership put the new tires onto the back of the car and rotated the original back tires to the front of the car as part of the repair/replacement.

NHTSA ID

11760740

Incident

Aug 26, 2026

We bought two of these car seats and the base on account we liked the feature that the car seat can rotate in the base... This car seat is UNUSUALLY UPRIGHT on its own and I believe the base insert makes it worse. I am a first time mom and I didn't realize how bad the ergonomics of this car seat are until recently, but my baby absolutely HATES the car now because she associates it with how uncomfortable this car seat is. I cannot stress the emotional distress this car seat has caused me and my baby. Any product like this should not be on the market

NHTSA ID

11758215

Incident

Apr 25, 2026

This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2026 2nd Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB.

Some Hyundai vehicles may be equipped with a parking distance warning (PDW) sensor(s) that may trigger various DTCs and display warning messages on the instrument cluster, resulting in the PDW sensor(s) failing to detect nearby objects or triggering multiple false alarms. This condition may be a result of external damage to the PDW sensor membrane or sensor cover from rock chips or road debris, a collision, or previous vehicle repairs or modifications.

Some IONIQ 9 (ME1A EV) vehicles may illuminate a MIL warning light with DTC P0AA600 and/or P1AA800 with limited charging capabilities. This bulletin provides instructions to replace the Battery System Assembly (BSA) if necessary.

Certain IONIQ 9 (ME1A EV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.

Certain Palisade Hybrid (LX3 HEV) vehicles may illuminate the Malfunction Indicator Lamp (MIL) and display a false “Check Hybrid System” warning message after use of Bluelink Remote Start following extended parking periods. Related DTCs associated with the MIL include U116087, U016487, U100787, U012987, U010087, U100387, U100287, U010187, and U015587. Technical Service Bulletin (TSB) 26-01-053H provides instructions to perform a Data Communication Unit (DCU) software update to prevent these conditions.

Certain IONIQ 9 (ME1A EV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.