{"nhtsa_id":10171561,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-20","date":"2020-02-19","document_id":"SS1034179","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; EQUIPMENT","mfr_system":null,"summary":"Service Solution on Western Star speedometers. For certain speedometers the speedometer may drop out or the odometer may reset to zero.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171561-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171561-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171561","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4700","year_from":2016,"year_to":2020,"match":"exact","vehicle_ids":["2016_western-star_4700","2017_western-star_4700","2018_western-star_4700","2019_western-star_4700","2020_western-star_4700"]},{"make":"WESTERN STAR","model":"4800","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_western-star_4800","2017_western-star_4800","2018_western-star_4800","2019_western-star_4800","2020_western-star_4800","2021_western-star_4800"]},{"make":"WESTERN STAR","model":"4900","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_western-star_4900","2017_western-star_4900","2018_western-star_4900","2019_western-star_4900","2020_western-star_4900","2021_western-star_4900"]},{"make":"WESTERN STAR","model":"6900","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_western-star_6900","2017_western-star_6900","2018_western-star_6900","2019_western-star_6900","2020_western-star_6900","2021_western-star_6900"]}],"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":[]}