{"nhtsa_id":10056742,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-02-11","date":"2014-09-02","document_id":"TSB-140048","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"CUMMINS: DIESEL EXHAUST FLUID (DEF) IS LEAKING FROM AFTERTREATMENT DIESEL EXHAUST FLUID DOSING UNIT ELECTRICAL CONNECTOR, AND CAN CAUSE INTERNAL CRACKING DUE TO FREEZING DEF AND MULTIPLE ELECTRICAL DIAGNOSTIC FAULT CODES BEING SET. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10056742","components":[{"id":"engine","name":"Engine","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":[]}