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Service bulletin M1633

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 id10252819
Published by NHTSA2024-04-06
Manufacturer's numberM1633
Manufacturer's date2024-03-20
NHTSA componentSTEERING; EQUIPMENT; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM

NHTSA's summary

SERVICE BULLETIN M1633 (REV A): PRODUCT PROGRAM 0928 - 2023-2024 CVO STREET GLIDE (FLHXSE) STEERING BALLAST. PURPOSE: Harley-Davidson has chosen to offer a revised calibration and installation of a steering ballast for certain 2023-2024 FLHXSE CVO Street Glide vehicles. Harley-Davidson is conducting a Product Program (0928) to offer this calibration upgrade and steering ballast installation at no charge to owners of the affected vehicles.

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, Steering, Throttle and cruise control

Vehicles listed
HARLEY-DAVIDSON FLHXSE2023 to 2024

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