WenmarOpen by Wenmar Pro

Service bulletins for the 2022 Hyundai Nexo

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

18 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Fuel system are shown. Show all

Bulletins, newest first
23-01-040H2023-05-04. Service bulletin. FUEL SYSTEM, OTHER. Some NEXO (FE) vehicles may exhibit charging interruptions during hydrogen charging due to sensitive leak detection logic diagnostic conditions. This bulletin outlines the procedure to update the HMU controller software and replace the PRV (Pressure Relief Valve).
22-FL-005H2022-11-01. Service bulletin. FUEL SYSTEM, GASOLINE. During certain repairs on Nexo vehicles, it may be necessary to defuel/vent the vehicle prior to repairs and then refuel the vehicle before returning it to the customer.
22-01-080H2022-11-01. Service bulletin. FUEL SYSTEM, GASOLINE. Some NEXO (FE) vehicles may exhibit charging interruptions during hydrogen charging due to sensitive leak detection logic diagnostic conditions. This bulletin outlines the procedure to update the HMU controller software and replace the PRV (Pressure Relief Valve).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.