{"nhtsa_id":10233004,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-20","date":"2023-02-16","document_id":"C2659","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM","mfr_system":null,"summary":"This campaign enables authorized repair locations to recalibrate the Engine Control Module to the latest revision on certain B6.7 MY2017-2020 CM2350 engines. This calibration update may provide certain improvements to the tailpipe NOx emissions performance and fuel system diagnostics performance with an objective to meet certain OBD requirements.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233004-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233004-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10233004","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISL 9","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":[]}