# Service bulletin 22\-01\-039H

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: 10228214
- Published by NHTSA: 2022\-12\-21
- Manufacturer's number: 22\-01\-039H
- Manufacturer's date: 2022\-12\-02
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Certain Nexo vehicles may experience a stack coolant warning light while driving. The logic update provides real\-time current sensor deviation correction.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10228214-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10228214-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2021 HYUNDAI NEXO

## Other bulletins for the same vehicles and component

- [23\-EM\-005H](/bulletins/10247189.md), 2023-12-15, Service bulletin: ENGINE AND ENGINE COOLING. This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
- [22\-01\-039H](/bulletins/10227350.md), 2022-12-07, Service bulletin: ENGINE AND ENGINE COOLING. Certain Nexo vehicles may experience a stack coolant warning light while driving. The logic update provides real\-time current sensor deviation correction.

JSON: [/v1/bulletins/10228214](/v1/bulletins/10228214)

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