Hyundai Nexo Hydrogen Pressure Relief Device Defect Creates Fire Risk
Hyundai is recalling 2019-2024 Nexo vehicles because the hydrogen pressure relief device may fail and leak, creating a fire risk. Owners are advised to park outside until the repair is complete.
NHTSA safety advisory
Park this vehicle outside
NHTSA advises parking it away from buildings and other vehicles until the repair is done — the risk exists even when the vehicle is switched off.
This is the agency’s own advisory, not our assessment. Contact the manufacturer or a dealer, and see the official NHTSA notice for the current guidance.
What this means for you
Our assessment, not the agency’s: severity 3/5 (High).
Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.
Our severity reasoning: This vehicle defect affects a critical structural component (hydrogen pressure relief device) that can result in fire risk. The source text does not report any fires or injuries to date. Per the severity rubric, this qualifies as a high-severity (Score 3) risk-of-harm product where injury has not yet been reported.
Plain-English summary
Hyundai Motor America is recalling certain 2019-2024 Hyundai Nexo vehicles. These vehicles are equipped with a thermally activated pressure relief device (TPRD) in the hydrogen fuel storage system.
The pressure relief device may fail and break, causing a hydrogen gas leak. A hydrogen leak while the vehicle is parked can result in a fire, which increases the risk of injury.
The recall affects approximately 1,545 Nexo vehicles with model years 2019 through 2024.
Owners should park their vehicles outside and away from structures until the recall remedy is completed. Hyundai dealers will replace the pressure relief device at no cost. Interim safety notification letters were mailed on November 8, 2024, with final owner notification letters to be mailed in phases beginning January 6, 2025. Owners can contact Hyundai Customer Service at 800-633-5151 with questions.
The recalled product
- Product
- HYUNDAI NEXO
- Brand
- HYUNDAI
- Manufacturer
- Hyundai Motor America
- Category
- Vehicle — Hydrogen Fuel Tank
- Hazard
- Affected units
- 1,545
Is your product affected?
Check your packaging against the codes below. If any of them match, the product is part of this recall.
Model numbers (1)
- NEXO
Distribution
Distributed nationwide across the United States.
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