{"nhtsa_id":10187906,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-03","date":"2021-02-04","document_id":"TechTalk8106","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING","mfr_system":null,"summary":"Tech Talk discussion on 2020 Western Star 4800 signal lights dim to start.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187906-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187906-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187906","components":[{"id":"lighting","name":"Lighting","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4800","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_western-star_4800"]}],"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":[]}