{"nhtsa_id":10054292,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-01-09","date":"2013-08-01","document_id":"FSB-284-040","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE","mfr_system":null,"summary":"MACK: ON CERTAIN TRUCKS, THERE IS A SOFTWARE UPDATE FOR THE ENGINE CONTROL MODULE (ECM). MODEL LEU, MRU. NO YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10054292","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"LEU","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"MRU","year_from":2011,"year_to":2014,"match":null,"vehicle_ids":[]}],"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":[]}