Service bulletins for the 2025 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.
349 on file from NHTSA, as of 2026-10-19.
About U3033 on the 2025 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
| 08-336-25 REV. B | 2025-11-05. Service bulletin. ELECTRICAL SYSTEM. Security Gateway Module (SGW) Software Update Customers may experience one or more of the following: ● Connectivity services will not work - including WIFI setup, Alexa, live traffic etc. Level 2 Plus functionality also affected/not enabling. ● SGW not responding to diagnostic and showing offline. ● Wifi cannot be setup. The following software enhancements are also available: ● Diagnostic Trouble Code (DTC) U3033-00 - Control Module Security Certificate Missing/Invalid and U3033-01 - Control Module Security Certificate Missing/Invalid - General Electrical Failure are both active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL). ● If a Firmware Over The Air (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 module is not responding to diagnostics and is showing offline This bulletin involves inspecting and possibly updating the SGW to the latest software level in the case that the FOTA did not function. |
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| 08-336-25 REV. A | 2025-10-29. Service bulletin. ELECTRICAL SYSTEM. Security Gateway Module (SGW) Software Update Customers may experience **one or more of **the following: ● **Connectivity services will not work - including WIFI setup, Alexa, live traffic etc. Level 2 Plus functionality also affected/not enabling. ● SGW not responding to diagnostic and showing offline.** ● Wifi cannot be setup. The following software enhancements are also available: ● Diagnostic Trouble Code (DTC) U3033-00 - Control Module Security Certificate Missing/Invalid and **U3033-01 - Control Module Security Certificate Missing/Invalid - General Electrical Failure** are both active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL). ● If a Firmware Over The Air (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 module is not responding to diagnostics and is showing offline. This bulletin involves **inspecting and possibly** flashing the SGW to the latest software level in the case that the FOTA did not function |
| 08-336-25 | 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.