{"nhtsa_id":10142390,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-25","date":"2013-05-01","document_id":"sbw4911","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM","mfr_system":null,"summary":"sbw4911 DEF Gauge Reading Incorrectly","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142390-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10142390-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142390","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"WESTERN STAR","model":"4900","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"WESTERN STAR","model":"5900","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"WESTERN STAR","model":"6900","year_from":null,"year_to":null,"match":"exact","vehicle_ids":[]},{"make":"WESTERN STAR","model":"CONSTELLATION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"WESTERN STAR","model":"WESTERN STAR","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":[]}