{"nhtsa_id":10033425,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-08-18","date":"2009-12-11","document_id":"WC-C0964","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"CUMMINS: CAMPAIGN IS BEING ISSUED TO ALLOW FIELD TO INSPECT INTAKE AIR PASSAGE OF SPECIFIC ISX CYLINDER HEADS TO DETERMINE IF MACHINING CHIPS ARE PRESENT IN THE INTAKE AIR PASSAGE. IF MACHINING CHIPS ARE IDENTIFIED, THE FIELD IS AUTHORIZED TO REPLACE THE CYLINDER HEAD AND CHECK FOR ACTIVE FAULT CODES 2387 AND/OR 2449 WITH THE USE OF INSITE. ENGINES ISX, QSX15ISX15. NO MODEL YEARS LISTED. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10033425","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"CUMMINS","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISX","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":[]}