{"nhtsa_id":11032115,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-05","date":"2026-04-10","document_id":"TSB230162","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of issue of fault codes FCs 1921, 1922, 1981, 2639, 3375, and 3376 as well as excessive aftertreatment system regeneration. This is an update to a previously submitted communication.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032115-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032115-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032115","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":[]}