2020 Hyundai Nexo service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Limited Sport Utility 4-Door
- Blue Sport Utility 4-Door
Engines covered
- FUEL CELL EV (FCEV)
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
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.
A hydrogen gas leak can increase the risk of a fire while parked or driving.
Owners are advised to park their vehicles outside and away from structures until the recall remedy i
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 syst
Unintended vehicle movement increases the risk of a crash.
Hyundai will notify owners, and dealers will reprogram the RSPA software, free of charge. The recal
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),
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 th
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 Verizons communication network. Follow the procedure in this TSB to reesta
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 remot
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 Verizons communication network. Follow the procedure in this TSB to reesta
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
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
Showing the 8 most recent of 34 technical service bulletins on file with NHTSA.
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 highway
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 highway
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 highway
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 w
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 w
Showing the 5 most serious of 13 complaints filed with NHTSA.
