2020 Hyundai Nexo problems, complaints & recalls
Most-reported problem areas: Fuel/Propulsion System (3) · Vehicle Speed Control (1) · Power Train (1)
Safety recalls (4)
Fuel/Propulsion System 2024-10-11 · campaign 24V761000 · 1,545 vehicles ⚠ PARK OUTSIDE
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.
Risk: A vehicle fire increases the risk of injury.
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, beginning January 6, 2025. Owners may contact Hyundai Customer Service at 800-633-5151. Hyundai's number for this recall is 269.
Electrical System:propulsion System:fuel Cell 2022-04-14 · campaign 22V258000 · 922 vehicles ⚠ PARK OUTSIDE
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.
Risk: A hydrogen gas leak can increase the risk of a fire while parked or driving.
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 1-855-371-9460. Hyundai's number for this recall is 225.
Service Brakes, Hydraulic:power Assist:electric:control Module:software 2020-12-01 · campaign 20V748000 · 8,176 vehicles
Defect: Hyundai Motor America (Hyundai) is recalling certain 2019-2020 Nexo Fuel Cell and 2019-2021 Kona Electric vehicles. The Integrated Electronic Brake (IEB) system may detect an abnormal sensor signal and as a result, may significantly reduce braking performance.
Risk: Reduced braking power could lengthen the distance required to stop the vehicle, increasing the risk of a crash.
Fix: Hyundai will notify owners, and dealers will update the IEB software, free of charge. The recall began January 25, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 199.
Electrical System:software 2020-04-09 · campaign 20V213000 · 11,870 vehicles
Defect: Hyundai Motor America (Hyundai) is recalling certain 2020 Nexo and Sonata vehicles. The Remote Smart Parking Assist (RSPA) software may fail to prevent vehicle movement upon detection of an RSPA system malfunction.
Risk: Unintended vehicle movement increases the risk of a crash.
Fix: Hyundai will notify owners, and dealers will reprogram the RSPA software, free of charge. The recall began June 3, 2020. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 191.
Service bulletins (35)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Back Over Prevention: Warnings 2026-10-15 · 26-GI-004H · Service Bulletin/Repair Instructions
some hyundai vehicles may be equipped with a parking distance warning (pdw) sensor(s) that may trigger various dtcs and display warning messages on the instrument cluster, resulting in the pdw sensor(s) failing to detect nearby objects or triggering multiple false alarms. this condition may be a res
Air Bags 2026-04-10 · DTN DL · Other
the national highway traffic safety administration (nhtsa) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by jilin province detiannuo automobile safety system co., ltd. (dtn). these inflators were not supplied, approved, or authorized by the vehi
Air Bags 2026-04-10 · DTN DCS · Other
the national highway traffic safety administration (nhtsa) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by jilin province detiannuo automobile safety system co., ltd. (dtn), that have been identified in u.s. vehicles following prior
Exterior Lighting 2025-11-06 · 25-BD-012H TSB · Service Bulletin/Repair Instructions
this 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. lamp assembly replacement is not necessary
Electrical System 2025-05-08 · 25-01-024H-1 TSB · Service Campaign
some vehicles may exhibit a loss of connectivity or interruptions in the middle of using bluelink service functions. this may be due to an irregular disconnection on verizon’s communication network. follow the procedure in this tsb to reestablish the connection via the avn pinhole reset method.
Electrical System 2025-04-07 · 25-01-024H EM · Service Campaign
some vehicles may exhibit a loss of connectivity or interruptions in the middle of using bluelink service functions. this may be due to an irregular disconnection on verizon's communication network. if you are experiencing issues with remote commands, or other bluelink services, please see the inst
Showing the 6 most recent of 35 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-08-16 · Power Train“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 i…”
2025-06-30 · Fuel/Propulsion System“the contact owns a 2020 hyundai nexo. the contact received notification of nhtsa campaign number: 24v761000000 (fuel system, other, fuel/propulsion system); however, the part to do the recall repair was unavailable. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the manufacturer was made awa…”
2024-12-09 · Vehicle Speed Control“please see attach for details 1. component or system involved the fuel cell system and accelerator pedal control system are suspected to have malfunctioned. the issue is characterized by the vehicle's failure to respond to input from the accelerator pedal, particularly at speeds between 45-65 mph, which may be linked to increased power demand from…”
2022-08-01 · Fuel/Propulsion System“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 …”
2022-02-18 · Unknown Or Other“the city i live is located on top of a hill/low mountain. when i drive uphill by following speed limits to my home the car often can't keep recommended speed (45 mph). the speed drops significantly(can go even 25 mph) and unpredictable. at the beginning i believe the car was able to keep the speed but it slowly started losing the power. the risk …”
2022-02-17 · Electrical System:propulsion System:fuel Cell · 7,438 mi“the contact owns a 2020 hyundai nexo. the contact stated while driving at various speeds going uphill, the vehicle would lose power and lose speed. the vehicle was taken to a local dealer where it was diagnosed with needing the fuel cells replaced however, the vehicle was not repaired. the manufacturer was informed of the failure and offered to buy…”
2021-05-23 · Fuel/Propulsion System“starting march 29, 2021 fuel cell failure when pressing the accelerator, started out as an intermittent failure. over the period of two weeks while waiting for an appointment to get the vehicle in for repair the problem increased in infrequency. when the vehicle was delivered to the dealership for repair any attempt to accelerate would cause the ve…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.