VehicleVerdict

2021 Hyundai Nexo problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 10 complaints on file for the 2021 Hyundai Nexo — too few to judge reliability from owner reports alone — but 2 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

10

NHTSA complaints

2

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2021 compare to other Nexo years?

Nexo NHTSA complaints by model year, 2021 highlighted13 complaints2019: 3 complaints2020: 13 complaints2021: 10 complaints2022: 1 complaints2023: 12 complaints2024: 0 complaints
Nexo NHTSA complaints by model year, 2021 highlighted. Red bars are years to avoid.

See all Nexo years to avoid →

What are the most common 2021 Hyundai Nexo problems?

ComponentComplaintsShare
Fuel System440%
Electrical System220%
Engine220%
Driver Assistance110%
Transmission110%

Does the 2021 Hyundai Nexo have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

24V761000Fuel SystemOctober 11, 2024 · 1,545 units

Defect

Hyundai Motor America (Hyundai) is recalling certain 2019-2024 Nexo vehicles. The thermally activated pressure relief device (TPRD) may break and cause a hydrogen gas leak, which can result in a fire while parked.

Consequence

A vehicle fire increases the risk of injury.

Remedy

Owners are advised to park outside and away from structures until the recall remedy is completed. Dealers will replace the TPRD, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed November 8, 2024. Final owner notification letters will be mailed in phases, beginning January 6, 2025. Owners may contact Hyundai Customer Service at 800-633-5151. Hyundai's number for this recall is 269.

22V258000Electrical SystemApril 14, 2022 · 922 units

Defect

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.

Consequence

A hydrogen gas leak can increase the risk of a fire while parked or driving.

Remedy

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.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“Hydrogen fuel cell system is unstable/unreliable. Vehicle fueling infrastructure is completely unreliable and cannot be depended on for safe, ongoing operation of vehicle.”

Complaint filed with NHTSA · Fuel System · January 23, 2022

“The car does not automatically brake to avoid collision. I have tested the car by going straight into a large object either another car or person in front of my car and it will not brake. In addition the hydrogen sensor is not working properly as I have already been informed of from their recall…”

Complaint filed with NHTSA · Engine · July 5, 2022

“ The contact owns a 2021 Hyundai Nexo. The contact received notification of NHTSA Campaign Number: 22V258000 (Fuel System, Other, Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for…”

Complaint filed with NHTSA · Electrical System · April 24, 2022

“It has become more frequent for there to be a delay in acceleration of about 3 to 4 seconds when traveling uphill. My car lost acceleration while going uphill. As I was gradually accelerating from a red traffic light to climb a hill, my car became stuck at a certain speed, around 50 mph on April…”

Complaint filed with NHTSA · Transmission · March 2, 2024

“The car does not automatically brake to avoid collision. I have tested the car by going straight into a large object either another car or person in front of my car and it will not brake. In addition the hydrogen sensor is not working properly as I have already been informed of from their recall…”

Complaint filed with NHTSA · Driver Assistance · July 5, 2022

2021 Hyundai Nexo — common questions

Is the 2021 Hyundai Nexo reliable?

The record is thin — 10 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 2 recalls should be verified as completed.

What are the most common 2021 Nexo problems?

According to NHTSA complaint data, the leading problem areas are fuel system (4 complaints), electrical system (2 complaints), engine (2 complaints).

Does the 2021 Hyundai Nexo have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2021 Hyundai Nexo. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.