{"nhtsa_id":11030939,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-07","date":"2026-03-31","document_id":"TSB260021","mfr_campaign":null,"replaces":null,"component":"FUEL/PROPULSION SYSTEM","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution steps for the battery electric system which may experience Controller Area Network (CAN ) communication issues from false occurrences of Pack Management Unit (PMU) modules, resulting in System Control Module (SCM) fault codes 11412, 11413 or 11414 being set.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030939-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030939-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030939","components":[{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"BES","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":[]}