{"nhtsa_id":10186790,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-02-06","date":"2021-01-19","document_id":"M1520","mfr_campaign":null,"replaces":null,"component":"WHEELS; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); UNKNOWN OR OTHER; EQUIPMENT; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"SERVICE BULLETIN M1520: 2021 INITIAL CARE. PURPOSE: The purpose of this program is to monitor Harley-Davidson quality delivered to the customers. Harley-Davidson Technical Service is providing an initial care program for a number of 2021 vehicle components. Duration of Program: January 4, 2021 through April 4, 2021.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186790-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186790-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10186790","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"wheels","name":"Wheels","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HARLEY-DAVIDSON","model":"HARLEY-DAVIDSON","year_from":null,"year_to":null,"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":[]}