Hyundai Nexo (Hyundai) – Hydrogen Sensor Failure (2022)
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2021 HYUNDAI NEXO
Brand
HYUNDAI
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2021
Hyundai Motor America is recalling certain 2021 HYUNDAI NEXO vehicles due to electrical system:propulsion system:fuel cell issues. A hydrogen gas leak can increase the risk of a fire while parked or driving.. WARNING: Park outside and away from structures until repaired.
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Hyundai Motor America (Hyundai) is recalling certain 2019-2021 Nexo vehicles. The hydrogen gas detection sensors may fail to detect leaks in the hydrogen gas delivery system.
Reported concern (NHTSA)
A hydrogen gas leak can increase the risk of a fire while parked or driving.
Recommended Action
Per NHTSA guidance
Owners are advised to park their vehicles outside and away from structures until the recall remedy is completed. Dealers will replace the hydrogen gas detection sensors, free of charge. Owner notification letters were mailed August 12, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 225.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026