{"nhtsa_id":11036018,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-08-07","date":"2026-07-14","document_id":"TSB240214","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the recalibration steps for the engine control module calibration which may include incorrect tuning for the calibration settings of the Fuel Injector Performance Test, resulting in fault codes being reported, black smoke, rough engine operation or low power.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036018-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036018-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036018","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"L9","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":[]}