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Service bulletin Milage Blockers

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 id10245589
Published by NHTSA2023-11-30
Manufacturer's numberMilage Blockers
Manufacturer's date2023-11-29
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER; ELECTRICAL SYSTEM

NHTSA's summary

Technical Information communication for the prevention of sale, use, or installation of devices that affect an odometer system's ability to accurately register or record mileage.

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, Equipment and accessories, Instrument cluster

Vehicles listed
FERRARI FERRARI

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