{"nhtsa_id":10198593,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-06-29","date":"2021-06-01","document_id":"SB54-334","mfr_campaign":null,"replaces":null,"component":"FORWARD COLLISION AVOIDANCE; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Freightliner Service Bulletin for Detroit Assurance 4.0 Software v20.05. New Cascadia trucks built from January 1, 2017 through September 9, 2019 and equipped with Detroit Assurance correctly initiate an active brake assist (ABA) event when a vehicle or obstacle is detected in front of the truck. Some of those trucks may continue decelerating to a complete stop, even after the vehicle or obstacle detected in front of the Detroit Assurance-equipped truck has moved away.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198593-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10198593-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10198593","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2017,"year_to":2020,"match":"exact","vehicle_ids":["2017_freightliner_cascadia","2018_freightliner_cascadia","2019_freightliner_cascadia","2020_freightliner_cascadia"]}],"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":[]}