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EnginePart report

2020 Hyundai Nexo Engine Problems

Complaints
2about this part
Share
29%of 7 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine of the 2020 Hyundai Nexo, 29% of the 7 complaints for this model year.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I received a safety recall on this car via mail. I brought it to the dealership service center in van nuys, ca, to which they said no recall currently exists on this car. A month later, I’m now experiencing a sensor of the fuel cell system failure. In addition, the CarPlay function on my car has not been working for 2 years and both Tustin and van nuys Hyundai dealership fail to fix it”

NHTSA complaint #11476967, filed 2022-08

“Hyundai sells Nexo Hydrogen Fuel Cell vehicles with known Fuel Cell stack issues, leading to severe safety issues from sudden power loss when driving, especially when overtaking and driving on highways and/or uphill. The power loss issue was diagnosed to originate from a fuel-cell stack failure, one of the Nexo’s main power-train components. This is a known power-train issue to Hyundai, debated online since 2021 by consumers experiencing the same power loss, across various Hyundai web-logs. …”

NHTSA complaint #11681115, filed 2025-08

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2023117%
2021240%
2020229%

Other parts of the 2020 Hyundai Nexo

Fuel system
5 complaints
Transmission and drivetrain
2 complaints
Electrical system
1 complaints
Other or unknown
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2020 Hyundai Nexo

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology