{"nhtsa_id":11036016,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-07","date":"2026-07-15","document_id":"TSB260081","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 of certain L9 and X12 engines which may contain calibration tuning causing the Road Speed Governor to over or under shoot programmed speed by 11 kph/7 mph, resulting in road speed not meeting/matching the Road Speed Governor setting.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036016-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036016-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036016","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"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":[]}],"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":[]}