{"nhtsa_id":10210548,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-03","date":"2022-04-13","document_id":"ICI22-017","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Important Campaign Information Letter for DDC D21M1 Termination Date Extended. This letter is to inform you that a revised bulletin for Detroit Diesel Field Service Campaign D21M1, DT12 Transmission Drive Shaft Cover Plug Reseal has been EXTENDED for an additional three months. Please use the extended termination date for all work under D21M1 from this point forward. REVISION: D21M1 termination date extended to July 1, 2022.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10210548-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10210548-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10210548","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2012,"year_to":2022,"match":"exact","vehicle_ids":["2012_freightliner_cascadia","2013_freightliner_cascadia","2014_freightliner_cascadia","2015_freightliner_cascadia","2016_freightliner_cascadia","2017_freightliner_cascadia","2018_freightliner_cascadia","2019_freightliner_cascadia","2020_freightliner_cascadia","2021_freightliner_cascadia","2022_freightliner_cascadia"]},{"make":"WESTERN STAR","model":"4900","year_from":2012,"year_to":2022,"match":"exact","vehicle_ids":["2012_western-star_4900","2013_western-star_4900","2014_western-star_4900","2015_western-star_4900","2016_western-star_4900","2017_western-star_4900","2018_western-star_4900","2019_western-star_4900","2020_western-star_4900","2021_western-star_4900","2022_western-star_4900"]},{"make":"WESTERN STAR","model":"49X","year_from":2021,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"5700","year_from":2012,"year_to":2022,"match":"exact","vehicle_ids":["2012_western-star_5700","2013_western-star_5700","2014_western-star_5700","2015_western-star_5700","2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700","2020_western-star_5700","2021_western-star_5700","2022_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":[]}