{"nhtsa_id":10176597,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-06-22","date":"2020-05-05","document_id":"CMI-X8G2J-06","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"This is a representative owner letter to communicate a product improvement software calibration campaign for the Cummins B6.7 CM2350 Model Year 2017 to 2018 engines.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176597-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176597-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10176597","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"B6.7","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":[]}