2021 Hyundai Nexo
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2021 Hyundai Nexo is worth — from official NHTSA and EPA data. 1 on record.
2021 Hyundai Nexo at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2021 Hyundai Nexo recalls 2
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.
Fix: 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…
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.
Fix: 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-…
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2021 Hyundai Nexo common problems
The most-reported problem areas across all 2 owner complaints filed with NHTSA — and what to check before you buy.
2021 Hyundai Nexo MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov.
Dimensions & weight
Manufacturer-reported figures for the 2021 Hyundai Nexo. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
Manufacturer service bulletins 5
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered.
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and rail spring becoming partially separated…
Bulletin 24-BD-001H · Visibility, Visibility/wiper · Feb 2024This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
Bulletin 23-EM-005H · Engine And Engine Cooling · Oct 2023Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the…
Bulletin 23-BD-007H · Structure · Apr 2023This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lam…
Bulletin 23-BD-002H · Visibility · Jan 2023Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail sale. This limit is the less…
Bulletin 22-GI-006H · Tires · Jul 2022Source: NHTSA Office of Defects Investigation, listed for the NEXO. Model-year data, not specific to one car.
Canadian recalls 4
Transport Canada recall campaigns for the 2021 Hyundai Nexo. Relevant if the car was first sold in, or imported from, Canada.
Fuel System
Issue: On certain vehicles, the safety valve for the hydrogen fuel system may not have been manufactured properly. As a result, the valve could fail and cause a hydrogen fuel leak. Safety Risk: A hydrogen fuel leak can create the risk of a fire, even while the vehicle is parked and turned off. Corrective Action: To reduce the safety risk, Hyundai advises that you should park yo…
Transport Canada #2024603 · Oct 2024Label
Issue: On certain vehicles, the compliance label may be missing information in French. The words listed on the label for "Tires", "Rims", "Front" and "Rear" appear in English only, when they should be listed as "Tires/Pneus", "Rims/Jantes", "Front/Avant" and "Rear/Arriere". Canadian regulations require this information to be listed on the label in both English and French. Safet…
Transport Canada #2024552 · Sep 2024Fuel System
Issue: Over time, the sensors to detect a hydrogen gas leak may degrade (and not work properly). If this happens, and there is a hydrogen fuel leak, the driver warning light may not turn on. Safety Risk: An undetected hydrogen fuel leak can create the risk of a fire, even while the vehicle is parked. Corrective Action: Hyundai will notify owners by mail and instruct you to take…
Transport Canada #2022192 · Apr 2022Brakes
Issue: On certain vehicles, an abnormal sensor signal to the Integrated Electronic Brake (IEB) system could cause a sudden reduction in braking performance. If this happens, a brake warning light will turn on in the instrument cluster. Safety Risk: Reduced brake performance can cause extended stopping distances and increase the risk of a crash. Corrective Actions: Hyundai will…
Transport Canada #2020593 · Dec 2020Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Hyundai Nexo
The Hyundai Nexo is a hydrogen fuel cell powered crossover SUV that was revealed at the 2018 Consumer Electronics Show on 8 January 2018. Replacing the Hyundai Tucson FCEV, the Nexo is the flagship for Hyundai's "eco car" portfolio. The car is named after the Danish city Nexø.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.