{"nhtsa_id":11028340,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-05","date":"2026-01-14","document_id":"TSB250225","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution steps for the mobile generator control module calibration which may contain a defect, resulting in the Selective Catalytic Reduction (SCR) Inlet Temperature parameter value reading not being visible on the HMI display and a delay of approximately 49 minutes to display the correct DEF Tank level reading following a calibration download to the control module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028340-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028340-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028340","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"C1000D6RE","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS POWER GENERATION","model":"C500D6RE","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":[]}