{"nhtsa_id":10200638,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-28","date":"2021-08-23","document_id":"20TS-11","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Technical Service Letter for Detroit CPC501T GHG21 Only; Updating Bootloader Using DL version 8.14 and higher. On Detroit powertrain equipped Cascadia’s, built in 2020, it may be necessary to complete an additional step in the programming process when updating the CPC501T software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200638-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200638-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200638","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2020,"year_to":2021,"match":"exact","vehicle_ids":["2020_freightliner_cascadia","2021_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":[]}