# Service bulletin 23\-FL\-005H

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.

- Type: Service bulletin
- NHTSA id: 10241825
- Published by NHTSA: 2023\-09\-05
- Manufacturer's number: 23\-FL\-005H
- Manufacturer's date: 2023\-08\-16
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin provides information on how to properly vent Hydrogen from a Nexo FCEV for maintenance or repairs.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241825-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10241825-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2021 to 2023 HYUNDAI NEXO

## Recalls for the same vehicles and component

- [22V258000](/recalls/nhtsa/22V258000.md), 2022-04-14: ELECTRICAL SYSTEM:PROPULSION SYSTEM:FUEL CELL; FUEL SYSTEM, OTHER:DELIVERY

## Other bulletins for the same vehicles and component

- [25\-01\-024H\-1 TSB](/bulletins/11018575.md), 2025-05-27, Service campaign: ELECTRICAL SYSTEM. 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.
- [25\-01\-024H EM](/bulletins/11017111.md), 2025-04-18, Service campaign: ELECTRICAL SYSTEM. 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 instructions below to reestablish the connection via the AVN pinhole reset method.
- [25\-01\-024H TSB](/bulletins/11015936.md), 2025-03-25, Service campaign: ELECTRICAL SYSTEM. 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.
- [24\-GI\-003H](/bulletins/10252358.md), 2024-04-02, Service bulletin: ELECTRICAL SYSTEM. This bulletin is a reminder to exercise caution when painting the Nexo, Fuel Cell Electric Vehicle \(FCEV\). During the painting processes, Volatile Organic Compounds \(VOCs\) may enter the fuel cell through openings or micro gaps in the intake or exhaust piping for the fuel cell. VOCs may damage certain components in the fuel cell causing reduced fuel\-cell performance. VOC chemicals can harm the fuel cell system's performance. Precaution must be taken to seal openings for the fuel cell system before painting or placing Nexo in a curing oven.
- [22\-01\-052H](/bulletins/10217301.md), 2022-08-05, Service bulletin: ELECTRICAL SYSTEM. Some 2022 Nexo \(FE\) vehicles may display the incorrect driving information \(Trip, Avg., Timer\) value in the “After Recharging” screen of the instrument cluster. This bulletin provides the service procedure to update the instrument cluster software to resolve the condition stated above.

JSON: [/v1/bulletins/10241825](/v1/bulletins/10241825)

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