{"nhtsa_id":10140921,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2012-11-01","document_id":"SF471","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"SF471-DLR Detroit Axles Driver-Controlled Differential Locks","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10140921-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10140921-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140921","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"BUSINESS CLASS M2","year_from":2012,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_freightliner_cascadia","2013_freightliner_cascadia"]},{"make":"FREIGHTLINER","model":"COLUMBIA","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_freightliner_columbia","2013_freightliner_columbia"]},{"make":"FREIGHTLINER","model":"CORONADO","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_freightliner_coronado","2013_freightliner_coronado"]}],"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":[]}