{"nhtsa_id":10187900,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-02","date":"2021-02-01","document_id":"WI21-004","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters. Detroit's TechComm team created visual aids for the network and released exploded view posters for DD platform engines. In early 2021, Detroit added multiple DT12 posters.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187900-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187900-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187900","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FCCC","model":"XBP","year_from":2016,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"FCCC","model":"XCR","year_from":2016,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"108SD","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_freightliner_108sd","2017_freightliner_108sd","2018_freightliner_108sd","2019_freightliner_108sd","2020_freightliner_108sd","2021_freightliner_108sd"]},{"make":"FREIGHTLINER","model":"114SD","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_freightliner_114sd","2017_freightliner_114sd","2018_freightliner_114sd","2019_freightliner_114sd","2020_freightliner_114sd","2021_freightliner_114sd"]},{"make":"FREIGHTLINER","model":"122SD","year_from":2016,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2016,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_freightliner_cascadia","2017_freightliner_cascadia","2018_freightliner_cascadia","2019_freightliner_cascadia","2020_freightliner_cascadia","2021_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"ECONIC SD","year_from":2019,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"THOMAS BUILT BUSES","model":"SAF-T-LINER C2","year_from":2016,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"4700","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_western-star_4700","2017_western-star_4700","2018_western-star_4700","2019_western-star_4700","2020_western-star_4700","2021_western-star_4700"]},{"make":"WESTERN STAR","model":"4900","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_western-star_4900","2017_western-star_4900","2018_western-star_4900","2019_western-star_4900","2020_western-star_4900","2021_western-star_4900"]},{"make":"WESTERN STAR","model":"49X","year_from":2021,"year_to":2021,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"5700","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_western-star_5700","2017_western-star_5700","2018_western-star_5700","2019_western-star_5700","2020_western-star_5700","2021_western-star_5700"]},{"make":"WESTERN STAR","model":"6900","year_from":2016,"year_to":2021,"match":"exact","vehicle_ids":["2016_western-star_6900","2017_western-star_6900","2018_western-star_6900","2019_western-star_6900","2020_western-star_6900","2021_western-star_6900"]}],"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":[]}