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Service bulletin Circular 24EO

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 id10177417
Published by NHTSA2020-08-06
Manufacturer's numberCircular 24EO
Manufacturer's date2020-07-01
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Engine control module software designed and certified for a similar model/model year was used in vehicles affected by this action. It is undetermined whether there could be an impact to OBD or emissions.

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

Electrical system, Engine, Software

Vehicles listed
VOLKSWAGEN CC2013

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