{"nhtsa_id":10175209,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-18","date":"2020-04-12","document_id":"TSB200096-042120","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of aftertreatment air assisted dosing units and aftertreatment nozzles are being replaced as a result of internal buildup of DEF crystals, but with proper troubleshooting and maintenance, some of these components can be recovered.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175209-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175209-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175209","components":[{"id":"engine","name":"Engine","parent":null},{"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":"ISL9","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISM","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":[]}