{"nhtsa_id":10085941,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-12","date":"2015-10-08","document_id":"TSB150158-100215","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) DOSING UNITS BEING INCORRECTLY IDENTIFIED AS FAILED AFTER FINDING WHAT WAS THOUGHT TO BE A DEF LEAK. THIS IS NORMAL AND DOES NOT INDICATE THAT A MALFUNCTION HAS OCCURED.","document":null,"url":"https://open.wenmarpro.com/bulletins/10085941","components":[{"id":"equipment","name":"Equipment and accessories","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":[]}