WenmarOpen by Wenmar Pro

U3033 on the 2024 Jeep Grand Cherokee L

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name U3033
08-335-252025-10-15. Service bulletin. Security Gateway Module (SGW) Software Update *The following software enhancements are available: ● Update for Diagnostic Trouble Code (DTC) U3033-00 - Control Module Security Certificate Missing/Invalid. NOTE: This DTC will not turn on the Malfunction Indicator Light (MIL) but is active or stored and cannot clear. ● If a FOTA message appears specifically directing the customer to service OR repeated FOTA events are not being completed, then a manual flash is required for the SGW update. ● SGW is not responding to diagnostics and showing offline.* This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.
S2508000014 REV.B2025-04-03. Service bulletin. Security Gateway (SGW) Module is Setting Diagnostic Trouble Code (DTC) U3033-00 Control Module Security Certificate Missing or Invalid
S2508000014 REV.A2025-03-13. Service bulletin. Security Gateway (SGW) Module is Setting Diagnostic Trouble Code (DTC) U3033-00 Control Module Security Certificate Missing or Invalid
S25080000142025-02-11. Service bulletin. Security Gateway (SGW) Module is Setting Diagnostic Trouble Code (DTC) U3033-00 Control Module Security Certificate Missing or Invalid

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.