2026 Hyundai Ioniq 9: Recalls, Problems & MPG
Here are the deets on the 2026 Hyundai Ioniq 9: 3 recalls, 37 owner complaints and up to 92 mpg combined.
Recalls
3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Electrical Vehicle recall #26V068000 · 2026 · 27 vehicles
What's wrong: The high voltage battery system May contain an improperly tightened bus bar, which can cause a short-circuit.
Why it matters: An electrical short in the high voltage battery system increases the risk of a fire.
The fix: Dealers will inspect and tighten the bus bar retention bolts and replace the battery system assembly, as necessary, free of charge. Owner notification letters were mailed April 3, 2026.
Suspension Vehicle recall #26V314000 · 2026 · 172 vehicles
What's wrong: The fasteners for the rear suspension May loosen and detach, which can result in a loss of vehicle control.
Why it matters: A loss of vehicle control increases the risk of a crash.
The fix: Dealers will inspect and replace the rear suspension fasteners and perform a rear vehicle alignment, as necessary, free of charge. Owner notification letters are expected to be mailed July 17, 2026.
Seats Vehicle recall #26V588000 · 2026 · 5,360 vehicles
What's wrong: The second-row power seats May fail to detect a person. As a result, the seats May continue to move after contacting a person during powered seat functions, such as automatic power fold-and-stow.
Why it matters: A person, especially a child, May become trapped by a rear powered seat, increasing the risk of injury.
The fix: Owners are advised to exercise caution when operating the second-row power seat functions until the repair is performed. Children are advised not to be in the rear seats or near the rear seating area during power-folding operation. The seat software will be inspected and updated over-the-air (ota)…
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 4 injuries and 0 deaths were reported.
What owners describe
- Electrical (20): the most common themes are electrical failure (12), stalls / loses power (3), warning light on (3).
- Fuel & propulsion (9): the most common themes are electrical failure (3), warning light on (2).
- Transmission & drivetrain (6): no single recurring theme in the descriptions.
- Forward collision avoidance (5): no single recurring theme in the descriptions.
Complaints peaked in 2026 (33 filed that year). The typical problem showed up when the car was about 0 years old, at a median of 10,000 miles.
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| Electric (160 kW PMSM) | Automatic (A1) | Rear-Wheel Drive | 103e | 81e | 92e | Electricity |
| Electric (66 and 160 kW PMSM) | Automatic (A1) | All-Wheel Drive | 98e | 78e | 88e | Electricity |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2026 Hyundai Ioniq 9.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2026 Hyundai Ioniq 9 have any recalls?
Yes. NHTSA lists 3 vehicle recalls for the 2026 Hyundai Ioniq 9. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2026 Hyundai Ioniq 9 problems?
Owners have filed 37 complaints with NHTSA. The most-reported areas are electrical (20), fuel & propulsion (9), transmission & drivetrain (6).
What gas mileage does the 2026 Hyundai Ioniq 9 get?
EPA ratings run up to 92 mpg combined, across 2 engine and transmission combos.
Where can I get a 2026 Hyundai Ioniq 9 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.