{"nhtsa_id":10076117,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-07-07","date":"2015-10-30","document_id":"E131","mfr_campaign":null,"replaces":null,"component":"ENGINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP","mfr_system":null,"summary":"DEF Pump Module for MX-13 EPA2010 and EPA2013 Engines High rate of Trouble Not Found (TNF) on the DEF Pump Modules (L074). If the DEF Pump Module is found to be defective during diagnostics, use the procedures below to verify the fault before the DEF Pump Module is removed and replaced.","document":null,"url":"https://open.wenmarpro.com/bulletins/10076117","components":[{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-pump","name":"Fuel pump","parent":"fuel-system"}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"KENWORTH","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":[]}