# Service bulletin 21\-01\-049H

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: 10199098
- Published by NHTSA: 2021\-07\-09
- Manufacturer's number: 21\-01\-049H
- Manufacturer's date: 2021\-06\-29
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

This bulletin describes the procedure to correct an error in the fuel requirements in the owner's manual of certain 2022MY Tucson \(NX4/NX4a\) vehicles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199098-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199098-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2022 HYUNDAI TUCSON

## Other bulletins for the same vehicles and component

- [26\-FL\-001H TSB](/bulletins/11027589.md), 2026-01-13, Service bulletin: FUEL/PROPULSION SYSTEM. Some vehicles equipped with a 2.5L GDI Theta III engine \(non\-Turbo\) may exhibit one or more misfire DTCs due to the GDI fuel injectors leaking internally. This may be caused by internal filter breakage in the injector. Follow the procedure in this TSB to replace all 4 injectors on affected vehicles, using the kit in the Parts Information section.
- [25\-01\-010H DN](/bulletins/11014286.md), 2025-02-17, Service bulletin: FUEL/PROPULSION SYSTEM. Certain Elantra hybrid \(CN7 HEV\), Sonata hybrid \(DN8 HEV\), and Tucson hybrid \(NX4 HEV\) vehicles may exhibit a warning light due to DTC Code P1BB20 \(12V Lithium Battery Cell Voltage High\). Follow the procedure in TSB 25\-01\-010H \(or latest version\) to perform the update the Battery management System \(BMS\) software.
- [25\-01\-010H TSB](/bulletins/11014285.md), 2025-02-17, Service campaign: FUEL/PROPULSION SYSTEM. This bulletin provides the procedure to update the software for the Battery Management System \(BMS\) on certain Elantra Hybrid \(CN7 HEV\), Sonata Hybrid \(DN8 HEV\), and Tucson Hybrid \(NX4 HEV\) vehicles that may exhibit a warning light with DTC P1BB20.
- [25\-FL\-001H](/bulletins/11012819.md), 2025-01-13, Service bulletin: FUEL/PROPULSION SYSTEM. Some vehicles equipped with a 2.5L GDI Theta III engine \(non\-Turbo\) may exhibit one or more misfire DTCs due to the GDI injectors leaking internally. This may be caused by internal filter breakage in the injector. Follow the procedure in this TSB to replace all 4 injectors on affected vehicles, using the kit in the Parts Information section.

JSON: [/v1/bulletins/10199098](/v1/bulletins/10199098)

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