{"nhtsa_id":11029822,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-06","date":"2026-02-19","document_id":"TSB260017","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution steps for the engine control module calibration which may contain an incorrect trim setting for the Aftertreatment Regeneration Permit Switch, resulting in the Aftertreatment System not completing regenerations as needed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029822-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029822-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029822","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B6.7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"L9","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"X12","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"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":[]}