# Service bulletin 21\-01\-009H

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: 10188246
- Published by NHTSA: 2021\-03\-05
- Manufacturer's number: 21\-01\-009H
- Manufacturer's date: 2021\-02\-11
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

This bulletin provides information related to an Electronic Control Module \(ECM\) software update which revises detection logic for DTC P2422: EVAP System Restricted Vent Valve logic.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188246-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188246-9999.pdf)

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

## Components

Electrical system, Engine, Software

## Trouble codes named

P2422

## Vehicles listed

- 2020 HYUNDAI SONATA

## Recalls for the same vehicles and component

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

## Other bulletins for the same vehicles and component

- [20\-01\-031H\-1](/bulletins/10178177.md), 2020-08-07, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This bulletin describes the procedure to program the NFC Card only when no other NFC card has been paired to the vehicle previously.
- [Campaign T5A Dea](/bulletins/10177134.md), 2020-07-08, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. This service campaign information is related to an Electronic Control Module \(ECM\) software update to revise the logic for DTC P030X: Cylinder “X” Misfire Detected and P0456: EVAP System Leakage Detected – Very Small Leak. This Service Campaign T5A will replace Service Campaign T4N.
- [20\-01\-027H](/bulletins/10177133.md), 2020-07-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides information related to an Electronic Control Module \(ECM\) software update to revise the logic for DTC P030X: Cylinder “X” Misfire Detected and P0456: EVAP System Leakage Detected – Very Small Leak.

JSON: [/v1/bulletins/10188246](/v1/bulletins/10188246)

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