{"nhtsa_id":10186798,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-02-06","date":"2021-01-19","document_id":"W144","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; UNKNOWN OR OTHER; EQUIPMENT","mfr_system":null,"summary":"WARRANTY BULLETIN W144: AUDIO SYSTEM WARRANTY PROCEDURES. PURPOSE: This bulletin provides warranty procedures to support the Advanced Audio System, Boom!™, Boom! Box Infotainment System, Boom! Box GTS System and Rockford Fosgate® components. It contains information for both Original Equipment (OE) and accessory components. This bulletin replaces warranty bulletins W132 and W139. The components are processed through United Radio or Harley-Davidson Motor Company, Inc..","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186798-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10186798-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10186798","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","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":[]}