Service bulletins for the 2024 Jeep Grand Cherokee L
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.
391 on file from NHTSA, as of 2026-10-19.
About U3033 on the 2024 Jeep Grand Cherokee L: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: U3033 are shown. Show all
| 08-335-25 | 2025-10-15. Service bulletin. ELECTRICAL SYSTEM. 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.B | 2025-04-03. Service bulletin. ELECTRICAL SYSTEM. Security Gateway (SGW) Module is Setting Diagnostic Trouble Code (DTC) U3033-00 Control Module Security Certificate Missing or Invalid |
| S2508000014 REV.A | 2025-03-13. Service bulletin. ELECTRICAL SYSTEM. Security Gateway (SGW) Module is Setting Diagnostic Trouble Code (DTC) U3033-00 Control Module Security Certificate Missing or Invalid |
| S2508000014 | 2025-02-11. Service bulletin. ELECTRICAL SYSTEM. Security Gateway (SGW) Module is Setting Diagnostic Trouble Code (DTC) U3033-00 Control Module Security Certificate Missing or Invalid |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.