AI Damage2020 Hyundai Nexo: common problems
Owners of the 2020 Hyundai Nexo filed 7 complaints with NHTSA, most often about fuel/propulsion system and engine. The maker issued 34 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 7
- Technical service bulletins (TSB)
- 34
What fails most often
- 1 Fuel/propulsion system 71% of all complaints
- 2 Engine 29% of all complaints
- 3 Powertrain 29% of all complaints
- 4 Electrical system 14% of all complaints
- 5 Fuel system 14% of all complaints
- 6 Vehicle speed control 14% of all complaints
- Fuel/propulsion system: 5 complaints (71% of all).
- Engine: 2 complaints (29% of all); manufacturer bulletins for this component: 1.
- Powertrain: 2 complaints (29% of all); manufacturer bulletins for this component: 1.
- Electrical system: 1 complaints (14% of all); manufacturer bulletins for this component: 13.
- Fuel system: 1 complaints (14% of all); manufacturer bulletins for this component: 1.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- petrol
- automatic, 1-speed
Drive: FWD
Symptoms owners describe
How many of the 7 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Fuel/propulsion system | 5 | 0 | 0 |
| Engine | 2 | 0 | 1 |
| Powertrain | 2 | 0 | 1 |
| Electrical system | 1 | 0 | 13 |
| Fuel system | 1 | 0 | 1 |
| Vehicle speed control | 1 | 0 | 0 |
| Equipment | 0 | 0 | 14 |
| Structure | 0 | 0 | 6 |
| Engine and cooling | 0 | 0 | 3 |
| Tires | 0 | 0 | 3 |
| Air bags | 0 | 0 | 2 |
| Exterior lighting | 0 | 0 | 2 |
| Service brakes | 0 | 0 | 2 |
| Visibility | 0 | 0 | 2 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
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 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.
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
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 back the vehicle. The failure mileage was 7,438.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,591 of 2,102 model years in the NHTSA data (among the 24% least complained about).
On average one model year of the Nexo has 2 complaints (8 years in the data). This year has 7, above average.
What to check before buying
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and…
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…
- The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding…
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…
- This bulletin provides information regarding condensation related to the accumulated moisture in the…
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…
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service…
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…
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service…
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…
- This bulletin contains information about the proper removal of the windshield wiper blade protective cover…
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…
- This bulletin provides important checkpoint guidelines when performing engine oil and filter change services
- Hyundai 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 PPF. These spots are the result of moisture trapped…
- Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for…
Effective 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…
- This bulletin provides the service procedure for engine connecting rod bearing clearance testing
Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
- This bulletin provides best practice recommendations when performing brake service procedures
- When using Wireless CarPlay, the system may intermittently auto disconnect
When Wireless CarPlay is disconnected, a pop up message âPhone Not Responding. Please reconnect it and try againâ will appear on the radio screen.
NHTSA lists 34 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2020 Hyundai Nexo?
Owner complaints to NHTSA most often mention: fuel/propulsion system, engine, powertrain. Total complaints: 7. The most frequent symptoms in complaint texts: loss of power / limp mode (14%), infotainment or screen glitches (14%), warning lights, check engine (14%).
How many service bulletins (TSB) were issued for the 2020 Hyundai Nexo?
NHTSA lists 34 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 Hyundai Nexo from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.