{"nhtsa_id":10076190,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-07-07","date":"2015-10-02","document_id":"TSB150158","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL","mfr_system":null,"summary":"Bosch aftertreatment diesel exhaust fluid (def) dosing pump with unidentified fluid at seams. Aftertreatment diesel exhaust fluid (DEF) dosing units have been incorrectly identified as failed after finding what was thought to be a DEF leak. This document is to communicate that an oily substance near the seams of the Bosch® aftertreatment DEF dosing unit is normal and does not indicate a malfunction has occurred.","document":null,"url":"https://open.wenmarpro.com/bulletins/10076190","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"CUMMINS","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":[]}