This page covers 6 recalls and EPA fuel economy for the 2019 Hyundai Nexo.
57 mpg combined
4.1 L/100km
Small Sport Utility Vehicle 2WD
Fuel economy data from fueleconomy.gov (EPA / U.S. Dept. of Energy). Annual cost based on 15,000 mi/yr at 55% city driving and current fuel prices. MPG is U.S. gallons; L/100km converted.
The 2019 Hyundai Nexo has 6 recalls, the most serious being multiple hydrogen fuel system issues where leaking gas or failed leak detection can lead to a fire even while the vehicle is parked.
Several of these recalls address overlapping fire risks: a safety valve may fail and allow hydrogen to escape, a thermally activated pressure relief device can break and cause a leak, and a filter near the refueling inlet can detach after filling. Compounding these concerns, the sensors designed to detect a hydrogen leak can degrade or fail outright, meaning the driver warning light may never come on and a leak could go unnoticed. On the braking side, the integrated electronic brake system can misread a sensor signal and sharply reduce braking performance, extending the stopping distance and raising the risk of a crash.
At a glance
What can fail
The thermally activated pressure relief device can break, allowing hydrogen gas to leak from the fuel system and potentially cause a fire while the vehicle is parked.
What the fix does
Dealers will replace the faulty pressure relief device at no cost to you.
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Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The hydrogen fuel system's safety valve may be defective, which could cause it to fail and leak hydrogen fuel.
What the fix does
A dealership will replace the safety valve to restore proper fuel system function.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The hydrogen gas leak detection sensors can degrade over time and stop working properly. If a hydrogen leak occurs, the warning light may not illuminate to alert you.
What the fix does
Dealership will replace the hydrogen gas detection sensors. You will receive instructions by mail.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The hydrogen gas detection sensors may fail to detect leaks in the hydrogen gas delivery system.
What the fix does
Dealers will replace the hydrogen gas detection sensors at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The inlet receptacle filter inside the hydrogen fuel port can detach after refueling, allowing hydrogen gas to leak from the tank.
What the fix does
Dealers will replace the hydrogen fuel inlet receptacle at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The Integrated Electronic Brake system may detect an abnormal sensor signal and significantly reduce braking performance.
What the fix does
Dealers will update the Integrated Electronic Brake system software at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
