{"nhtsa_id":10085871,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-09","date":"2016-09-02","document_id":"TSB160093-090116","mfr_campaign":null,"replaces":null,"component":"ENGINE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 3748 RESULTING FROM AN AFTERTREATMENT INTAKE NOX SENSOR MALFUNCTION AND INCORRRECT ENGINE CONTROL MODULE (ECM) CALIBRATION TUNING ON CERTAIN ENGINES.","document":null,"url":"https://open.wenmarpro.com/bulletins/10085871","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"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":[]}