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 2025-08Related service bulletins
- 10178162Jul 8, 2020This service campaign is to provide information on the software update related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE)…
Engine: other model years
Other parts of the 2020 Hyundai Nexo
5 complaintsTransmission and drivetrain
2 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsVehicle 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