{"nhtsa_id":10085264,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-30","date":"2014-05-05","document_id":"TSB140048-042914","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF LEAKING DIESEL EXHAUST FLUID (DEF) LEAKING FROM THE AFTERTREATMENT DEF DOSING UNIT ELECTRICAL CONNECTOR. MULTIPLE ELECTRICAL DIAGNOSTIC FAULT CODES CAN BE SET DUE TO DEF LEAKING AROUND THE CONNECTOR, CAUSED BY INTERNAL CRACKING DUE TO FREEZING DEF.","document":null,"url":"https://open.wenmarpro.com/bulletins/10085264","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISB6.7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISC8.3","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISL9","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX12","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX15","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":[]}