{"nhtsa_id":10227221,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-06","date":"2022-11-03","document_id":"M1557","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT; SERVICE BRAKES, HYDRAULIC","mfr_system":null,"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227221-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227221-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10227221","components":[{"id":"brakes","name":"Brakes","parent":null},{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"FLHP","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHR","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHRXS","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHT","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTCUTG","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTCUTGSE","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTK","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTK SHRINE","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHTP","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHX","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHXS","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHXSE","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLHXST","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLRT","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRK","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRKSE","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRX","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRXS","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRXSE","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"HARLEY-DAVIDSON","model":"FLTRXST","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}