Hyundai software error in the air bag control unit (ACU) may improperly deactivate the air bag system and seat belt pretensioners.
The short version
Hyundai Motor America reported a problem with the air bag/restraint control module software. Here is what owners need to know.
A software error in the air bag control unit (ACU) may improperly deactivate the air bag system and seat belt pretensioners.
Air bags and seat belt pretensioners that do not activate in a crash increases the risk of injury.
Take it to a dealer — they will update the ACU software, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 26V-728.
| YEAR RANGE | MODEL |
|---|---|
| 2019–2021 | Hyundai Kona |
| 2022–2023 | Hyundai Kona Electric |
| 2019–2022 | Hyundai Veloster N |
What changed
Newest first. The record shows both when the recall began and what has changed since.
One of 18 recalls filed by Hyundai in 2026 · filed 5 days ago · last verified Nov 7, 2026
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINOther recalls for this model
Same Hyundai Kona — newest first.
- Hyundai seat belt buckle in the rear center seat may fail to properly restrain an occupant during a crash.
- Hyundai due to a manufacturing error, the front steering knuckles may crack and break, which can result in a loss of vehicle steering control.
- Hyundai 12-Volt battery cables may chafe against the engine control module bracket and short circuit during a crash.
- Hyundai seat belt assemblies in the right and left rear seats may not function properly.
- Hyundai electric Power Control Unit (epcu) may have been improperly sealed and may leak coolant internally.
- Hyundai integrated Electronic Brake (IEB) system may detect an abnormal sensor signal and as a result, may significantly reduce braking performance.
What this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
Not affiliated
MyAutoRecalls is not affiliated with Hyundai Motor America or the National Highway Traffic Safety Administration.
Record dates
Reported to NHTSA: November 2, 2026
First tracked here: Nov 6, 2026
Last change: Nov 6, 2026
Official record
NHTSA campaign: 26V728000
Manufacturer campaign: 311
Owner notification: Owner notification letters scheduled — expected starting January 1, 2027.
View this recall on NHTSA.gov →