Security Gateway Module (SGW) Software Update Customers may experience one or more of the following: ● SGW...
Ram technical service bulletin 08-323-25 REV. A for 2026 Ram 5500 and 2026 Ram 4500.
- Bulletin number
- 08-323-25 REV. A
- Component
- Electrical system
- 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).
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