2026 Hyundai Ioniq 9 Problems
Compared with other Hyundai Ioniq 9 years
Too new to compare
- Model years are compared once their first three years of complaints are in; the 2026 can be compared from 2029.
- Most reported part: Electrical system (20 complaints).
- 3 recall campaigns on record. A VIN search at nhtsa.gov/recalls shows open recalls for a specific vehicle.
Based only on NHTSA complaints, recalls and investigations. Not adjusted for how many vehicles were sold, and not a reliability rating. How this is calculated
- Complaints
- 38filed with NHTSA
- Median mileage
- 10,000miles, 2 complaints with mileage
- Recalls
- 3campaigns on record
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
- NHTSA crash rating
- 5 / 5stars overall, 2 rated versions
- EPA fuel economy
- 88 MPGecombined, Electric AWD · 98 city / 78 hwy
Sources: NHTSA records for the 2026 Hyundai Ioniq 9 (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 38 consumer complaints for the 2026 Hyundai Ioniq 9. The part named most often is electrical system, with 20 complaints (53% of the total), followed by fuel system (9) and transmission and drivetrain (6). 2 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 10,000 miles. Of all complaints, 5 an injury, according to the filers. NHTSA lists 3 recall campaigns and 19 technical service bulletins for this model year. Electrical system complaints overlap with 1 recall campaign covering the traction battery and 5 technical service bulletins filed under the same part. Fuel system complaints overlap with 1 technical service bulletin filed under the same part.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system20 53%
- Fuel system9 24%
- Other or unknown5 13%
- Seats3 7.9%
- Engine2 5.3%
- Lane departure2 5.3%
- Body and structure2 5.3%
Also reported: Brakes (1), Seat belts (1), Tires (1), Visibility (wipers, defrost, mirrors) (1), Wheels (1).
Example complaints
Electrical system: “Driving on a public road with a 50 phone speed limit, I received an error message on my dash stating electrical failure, and then the car shut down and began to coast, I had use all my strength to turn the car towards the curb and coasted to a stop. I received an error message from multiple components and then the dash went blank.”
NHTSA complaint #11756108, filed 2026-08Fuel system: “On 8/3/26 my Ioniq 9 had a warning message to Check the Electrical System, but provided no additional information. I was able to drive the car home, anticipating that I be able to take it in to the Hyundai dealer where i purchased the vehicle. It should be noted that the car went into limp mode (max 25 mph) for the final six miles to my home. I researched the issue on line and determined that it was possible to get the car to the dealer based upon the experience of other Hyundai owners. …”
NHTSA complaint #11755299, filed 2026-08Transmission and drivetrain: “The vehicle was plugged in overnight. To the set 80% limit. When I got up to leave for work and take family out. The vehicle check electrical system warning ⚠️ came on and the then the vehicle would not drive past 41mph. Then in a few minutes dropped down to 28mph and would not go any further. Took the car to dealership which was miles away and 18 miles per hour was my top speed when I pulled in to the dealership lot. This was one day after I had dropped the car off for a route 7K mile tire rotation and filter change. They claimed they topped off fluids. …”
NHTSA complaint #11708703, filed 2026-01Forward collision avoidance: “I was driving at 35 mph speed on a straight road and the car automatically activated emergency steering and pushed towards right I had to jerk the steering towards left to prevent any accidents. No adverse event occurred however this was unnerving experience.”
NHTSA complaint #11745480, filed 2026-06Mileage when problems were reported
100% of the 2 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 8,000 and 12,000 miles.
Complaints by year filed
This model year is less than 4 years old, so a trend is not meaningful yet.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2026 Hyundai Ioniq 9. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| Ioniq 9 · SUV AWD | ★★★★★ | 5 / 4 | 5 | 4 | 5 · 9.9% risk |
| Ioniq 9 · SUV RWD | ★★★★★ | 5 / 4 | 5 | 4 | 5 · 10.1% risk |
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2026 Hyundai Ioniq 9 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving); for electric versions it is the cost of electricity and the rating is in MPGe.
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| Ioniq 9 AWD | Electric | single-speed | 98 | 78 | 88 MPGe | $850 |
| Ioniq 9 AWD Performance | Electric | single-speed | 91 | 79 | 85 MPGe | $900 |
| Ioniq 9 RWD | Electric | single-speed | 103 | 81 | 92 MPGe | $850 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 26V588000Sep 11, 2026Seats › Mid/rear assembly › Power adjustCovers: Hyundai Ioniq 9 2026
Hyundai Motor America (Hyundai) is recalling certain 2026 Ioniq 9 vehicles equipped with a Limited, Calligraphy, or Calligraphy Design trim package. The second-row power seats may fail to detect a person. As a result, the seats may continue to move after…
- 26V314000May 18, 2026Suspension › Critical fastenersCovers: Hyundai Ioniq 9 2026, Ioniq 5 2025
Hyundai Motor America (Hyundai) is recalling certain 2025 Ioniq 5 and 2026 Ioniq 9 vehicles. The fasteners for the rear suspension may loosen and detach, which can result in a loss of vehicle control.
- 26V068000Feb 5, 2026Electrical system › Propulsion system › Traction batteryCovers: Hyundai Ioniq 9 2026, Ioniq 5 2025–2026
Hyundai Motor America (Hyundai) is recalling certain 2025-2026 IONIQ 5 and 2026 IONIQ 9 vehicles. The high voltage battery system may contain an improperly tightened bus bar, which can cause a short-circuit.
Recall details for the 2026 Hyundai Ioniq 9 → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 19 on record; the latest 10 are shown.
- 11038798Oct 27, 2026Electrical system. 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…
- 11038722Oct 15, 2026Back-over prevention (rear camera). 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…
- 11036619Aug 19, 2026Fuel system. 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…
- 11036210Aug 11, 2026Electrical system. 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…
- 11034851Jul 3, 2026Electrical system. 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…
- 11034850Jul 3, 2026Electrical system. 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…
- 11032523Apr 10, 2026Air bags. The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile…
- 11032522Apr 10, 2026Air bags. The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo…
- 11030326Mar 17, 2026Transmission and drivetrain. Certain IONIQ 5 (NEA EV) and IONIQ 9 (ME1A EV) vehicles (affected VINs listed below) may exhibit a high-frequency noise from the front motor area during low-speed deceleration. This bulletin…
- 11029495Feb 24, 2026Other or unknown. Certain IONIQ 9 (ME1A EV) vehicles may have a sliding center console (rear floor console) that makes a ratcheting noise while being moved forward or backward. This bulletin provides instructions to…
Other model years of the Hyundai Ioniq 9
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2026 | 38 | 10,000 | 3 | 5 | 88 MPGe | Too new to compare | Too new |
All Hyundai Ioniq 9 model years
Frequently asked questions
How many NHTSA complaints does the 2026 Hyundai Ioniq 9 have?
NHTSA recorded 38 consumer complaints for the 2026 Hyundai Ioniq 9 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2026 Hyundai Ioniq 9 is reported most often?
Electrical system is named most often, in 20 complaints (53% of the total), followed by fuel system with 9.
Has the 2026 Hyundai Ioniq 9 been recalled?
NHTSA lists 3 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
How did the 2026 Hyundai Ioniq 9 do in NHTSA crash tests?
NHTSA's 5-Star Safety Ratings give the 2026 Hyundai Ioniq 9 5 out of 5 stars overall, across 2 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.
How efficient is the 2026 Hyundai Ioniq 9 according to the EPA?
The EPA rates the 2026 Hyundai Ioniq 9 (Ioniq 9 AWD, Electric) at 88 MPGe combined, 98 city and 78 highway, with an estimated annual electricity cost of $850 at 15,000 miles a year. Other battery and motor versions are rated differently.
At what mileage are problems with the 2026 Hyundai Ioniq 9 reported?
Among the 2 complaints that include a mileage, the median is 10,000 miles and the middle half falls between 8,000 and 12,000 miles; 100% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.