{"nhtsa_id":10178273,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-10","date":"2020-06-01","document_id":"20NA116","mfr_campaign":null,"replaces":null,"component":"VEHICLE SPEED CONTROL","mfr_system":null,"summary":"This informational bulletin provides information on Available Top Speed Changes and how to reach them.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178273-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178273-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178273","components":[{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"4500HD","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_chevrolet_4500hd","2020_chevrolet_4500hd"]},{"make":"CHEVROLET","model":"5500HD","year_from":2019,"year_to":2020,"match":"exact","vehicle_ids":["2019_chevrolet_5500hd","2020_chevrolet_5500hd"]},{"make":"CHEVROLET","model":"SILVERADO 4500","year_from":2019,"year_to":2020,"match":"base","vehicle_ids":["2019_chevrolet_silverado","2020_chevrolet_silverado"]}],"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":[]}