{"nhtsa_id":10188836,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-15","date":"2021-02-09","document_id":"CMI-020921-A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"This is a representative communication from the Cummins producing plant to affected vehicle manfacturers regarding a potential issue with machined block porosity on certain X15 engines. The engine plant pursued corrective action with affected OEMs at their facitilies.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10188836-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10188836-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10188836","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"X15","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":[]}