{"nhtsa_id":10044285,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2012-06-05","date":"2012-05-17","document_id":"TIB-E-056","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"KENWORTH (PACCAR): ENGINE SOFTWARE UPDATE REQUIRED FOR INSTALLATION OF HC DOSER SHIELDS AND/OR EGR CLEANING FOR CHASSIS. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10044285","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T660","year_from":2010,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T700","year_from":2010,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T800","year_from":2010,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"W900","year_from":2010,"year_to":2012,"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":[]}