{"nhtsa_id":10252399,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-04-02","date":"2024-03-07","document_id":"C2746","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This Emissions Campaign enables authorized repair locations to install new DEF header and recalibrate the ECM on certain engines where appropriate. The DEF header calibrations on eligible units will be obsoleted and superseded back to the original calibration, at the latest revision level.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10252399-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-10252399-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10252399","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX","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":[]}