# Service bulletin 20\-FL\-008H\-1

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: 10185416
- Published by NHTSA: 2021\-01\-09
- Manufacturer's number: 20\-FL\-008H\-1
- Manufacturer's date: 2020\-12\-02
- NHTSA component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:FUEL CELL

## 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/2020/MC-10185416-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185416-9999.pdf)

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

## Components

Electrical system, Hybrid and electric drive

## Vehicles listed

- 2019 to 2020 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
- [20V213000](/recalls/nhtsa/20V213000.md), 2020-04-09: ELECTRICAL SYSTEM:SOFTWARE

## 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.
- [21\-BE\-004H](/bulletins/10189991.md), 2021-04-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message “Phone Not Responding. Please reconnect it and try again” will appear on the radio screen.
- [20\-BE\-014H](/bulletins/10185443.md), 2021-01-09, Service bulletin: ELECTRICAL SYSTEM. When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message “Phone Not Responding. Please reconnect it and try again” will appear on the radio screen.
- [20\-01\-039H](/bulletins/10182304.md), 2020-11-06, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information and procedures for collecting OBD “In Use Monitor Performance Ratio” \(IUMPR\) data on certain 2019\-2021MY vehicles at California dealers. This reporting is mandated by CARB \(California Air Resources Board\).
- [Campaign T5I \- D](/bulletins/10179309.md), 2020-09-03, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Certain 2019 \- 2020 MY NEXO \(FE\) vehicles may experience a condition in which the radio presets may reset during AVN start up. This service campaign provides the procedure to install an Audio Video Navigation \(AVN\) software update, which corrects this condition.
- [20\-01\-034H](/bulletins/10179248.md), 2020-09-03, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. This bulletin describes the procedure to install an Audio Video Navigation \(AVN\) software update which corrects a condition in which the radio presets may reset during AVN start up.
- [20\-01\-029H](/bulletins/10178167.md), 2020-08-07, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, OTHER. This bulletin provides software update information related to the Fuel Cell control Unit \(FCU\) and Hydrogen storage Management Unit \(HMU\) on certain NEXO \(FE\) vehicles. This update revises the logic for Malfunction Indicator Light \(MIL\) ON related to the FCU and HMU.
- [Campaign T5D Dea](/bulletins/10178162.md), 2020-08-07, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This service campaign is to provide information on the software update related to the Fuel Cell control Unit \(FCU\) and Hydrogen storage Management Unit \(HMU\) on certain NEXO \(FE\) vehicles. This update includes logic revision for Malfunction Indicator Light \(MIL\) ON related to the FCU and HMU.

JSON: [/v1/bulletins/10185416](/v1/bulletins/10185416)

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