{"nhtsa_id":11023596,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-10-02","date":"2025-09-27","document_id":"08-324-25","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Security Gateway Module (SGW) Software Update Customers may experience one or more of the following: ● SGW module is not responding to diagnostics and showing offline. ● If message for FOTA apprears, then a manual flash is required for SGW update. ● Diagnostic Trouble Code (DTC) U3033 - 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL). This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023596-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023596-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023596","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["U3033"],"topics":[],"vehicles":[{"make":"RAM","model":"3500","year_from":2026,"year_to":2026,"match":"exact","vehicle_ids":["2026_ram_3500"]}],"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":[]}