{"nhtsa_id":10154969,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-03-25","date":"2019-02-08","document_id":"T2085A","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This field action authorizes certified repair locations to upfit certain ISX15 CM2350 X101 engines rated at 455hp or higher with an improved Selective Catalytic Reduction (SCR) Catalyst. For the MY2013 engines, a calibration update will be required. This is an update to a previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154969-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10154969-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10154969","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"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":[]}