{"nhtsa_id":10031864,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-01-13","date":"2015-07-01","document_id":"SB-54-239","mfr_campaign":null,"replaces":"SB-54-239-C","component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"FREIGHTLINER TRUCK: CASCADIA CABIN CAN ECU COMPATIBILITY. CASCADIA CABIN CAN ELECTRONIC CONTROL UNITS (ECUS) MUST HAVE COMPATIBLE SOFTWARE FOR THE VEHICLE TO WORK PROPERLY. FAILURE TO DO SO MAY LEAD TO UNDESIRED AND UNPREDICTABLE VEHICLE BEHAVIOR. NO MODEL YEARS LISTED. *PE UPDATED 4/4/11. *PE UPDATED 4/27/2012 *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10031864","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"FREIGHTLINER","model":"CASCADIA","year_from":2008,"year_to":2010,"match":"exact","vehicle_ids":["2008_freightliner_cascadia","2009_freightliner_cascadia","2010_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":[]}