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July 13, 2023 Service bulletin

Amplifier software update for 2023 cvo

Harley-Davidson technical service bulletin M1597 for 2023 Harley-Davidson Flhxse and 2023 Harley-Davidson Fltrxse.

Bulletin number
M1597
Component
Equipment: electrical: radio/tape deck/cd etc.
Summary
SERVICE BULLETIN M1597: AMPLIFIER SOFTWARE UPDATE FOR 2023 CVO. PURPOSE: This bulletin informs dealers that there is an available software update for the 2023 CVO Street Glide (FLHXSE) and Road Glide (FLTRXSE) audio amplifier. This update is to address a condition that would cause the Automatic Volume Control (AVC) not to function normally.

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