Touring and trike rear brake switch

Bulletin number

M1557

Component

Electrical system

Summary

SERVICE BULLETIN M1557: TOURING AND TRIKE REAR BRAKE SWITCH. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has a mid-year change in how the Touring and Trike vehicles receive its rear brake signal input. The Touring and Trike vehicles will now receive rear brake input signal from a brake switch and will no longer activate the brake light based on rear brake pressure in the Electro Hydraulic Control Unit (EHCU). 2022 Electrical Diagnostic Manual (EDM) and Service Manual will be updated with this change. See Service Information Portal (SIP) for electronic version of manuals. NOTE: For information regarding brake switch signal changes on 2019 to 2022 Trike/CVO Trike and 2020 to 2022 Touring/Police Touring/CVO Touring vehicles built prior to the Vehicle Identification Numbers (VINs) noted in the bulletin below, see Service Bulletin M1568: Recall 0635.

Owners of these vehicles have filed 2 complaints in the electrical category.