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Service bulletin V0123122072378_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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10247534
Published by NHTSA2024-01-04
Manufacturer's numberV0123122072378_1
Manufacturer's date2023-12-11
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; UNKNOWN OR OTHER

NHTSA's summary

Update Programming Engine/Motor Control module for EVAP system vent valve.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Engine control module

Vehicles listed
VOLKSWAGEN JETTA2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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