{"nhtsa_id":10171363,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-02-15","date":"2020-02-14","document_id":"SBW54-074","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"Service Bulletin for Western Star 5700 Pana-Pacific 540 Radio Controls Not Operating Normally. Pana-Pacific DEA540 radios (A22-74389-000, A22-77161-000) may cease to respond to volume control settings from the steering wheel switches or the controls on the radio faceplate, resulting in erratic volume control.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171363-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10171363-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10171363","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"5700","year_from":2015,"year_to":2020,"match":"exact","vehicle_ids":["2015_western-star_5700","2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700","2020_western-star_5700"]}],"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":[]}