{"nhtsa_id":10056548,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-12-24","date":"2015-03-02","document_id":"SB-54-58","mfr_campaign":null,"replaces":"54-58","component":"ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS","mfr_system":null,"summary":"WESTERN STAR: INSTRUCTIONS PROVIDED TO HELP REDUCE VIBRATION ON POWER DISTRIBUTION MODULES (PDM), TO PREVENT CRACKING OF FUSES ON HORIZONTALLY MOUNTED POWERTRAIN. *PE UPDATED 03/02/15*LJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10056548","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4700","year_from":2011,"year_to":2015,"match":"exact","vehicle_ids":["2011_western-star_4700","2012_western-star_4700","2013_western-star_4700","2014_western-star_4700","2015_western-star_4700"]},{"make":"WESTERN STAR","model":"4800","year_from":2001,"year_to":2002,"match":"exact","vehicle_ids":["2001_western-star_4800","2002_western-star_4800"]},{"make":"WESTERN STAR","model":"4900","year_from":2010,"year_to":2010,"match":"exact","vehicle_ids":["2010_western-star_4900"]},{"make":"WESTERN STAR","model":"4900","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_western-star_4900","2013_western-star_4900","2014_western-star_4900","2015_western-star_4900"]},{"make":"WESTERN STAR","model":"5900","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"WESTERN STAR","model":"6900","year_from":2011,"year_to":2014,"match":"exact","vehicle_ids":["2011_western-star_6900","2012_western-star_6900","2013_western-star_6900","2014_western-star_6900"]},{"make":"WESTERN STAR","model":"HERITAGE","year_from":null,"year_to":null,"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":[]}