{"nhtsa_id":10051834,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2013-04-15","date":"2013-02-04","document_id":"E065","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"MX RC5-RC14 SOFTWARE UPDATE CAMPAIGN. SOFTWARE UPDATES ARE SAID TO BENEFIT THE ENGINES IN RC5 AND RC14 KENWORTH ENGINES. PACCAR/KENWORTH. *KB","document":null,"url":"https://open.wenmarpro.com/bulletins/10051834","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T660","year_from":2010,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T680","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_kenworth_t680"]},{"make":"KENWORTH","model":"T700","year_from":2010,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":2010,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T880","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_kenworth_t880"]}],"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":[]}