# U3033 on the 2024 Jeep Wagoneer

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

- [11025703](https://open.wenmarpro.com/bulletins/11025703), 2025-11-26: Security Gateway Module \(SGW\) Software Update he 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 \*\*inspecting and possibly\*\* flashing the SGW to the latest software level in the case that the FOTA did not function.
- [11024603](https://open.wenmarpro.com/bulletins/11024603), 2025-10-29: Security Gateway Module \(SGW\) Software Update he 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.
- [11016421](https://open.wenmarpro.com/bulletins/11016421), 2025-04-03: Security Gateway \(SGW\) Module is Setting Diagnostic Trouble Code \(DTC\) U3033\-00 Control Module Security Certificate Missing or Invalid
- [11015600](https://open.wenmarpro.com/bulletins/11015600), 2025-03-13: Security Gateway \(SGW\) Module is Setting Diagnostic Trouble Code \(DTC\) U3033\-00 Control Module Security Certificate Missing or Invalid
- [11014134](https://open.wenmarpro.com/bulletins/11014134), 2025-02-11: Security Gateway \(SGW\) Module is Setting Diagnostic Trouble Code \(DTC\) U3033\-00 Control Module Security Certificate Missing or Invalid
- [11004342](https://open.wenmarpro.com/bulletins/11004342), 2024-07-11: Security Gateway Module Battery Voltage \- Circuit Voltage Below Threshold \- DTC B2199\-16 Repair Action : 1\) Check OR Replacing cabling. 2\) Check OR Replacing connector. 3\) Check the battery is good OR Replacing battery. 4\) Check OR Replacing FUSE. 5\) Check SGW terminal. Battery Voltage \- Circuit Voltage Above Threshold \- DTC B2199\-17 Repair Action : 1\) Check OR Replacing cabling. 2\) Check OR Replacing connector. 3\) Check the battery is good OR Replacing battery. 4\) Check OR Replacing FUSE. 5\) Check SGW terminal. CAN Bus\- \[C\-CAN1\] \(Node mute\) or CAN Bus Off Performance\- \(Bus off failure\) \- Check DTC in DTC matrix Repair Action: 1\) CAN Lines Check 2\) Read Fault memory of all nodes 3\) Check and download the right calibration file for current vehicle configuration Ethernet Bus Failure \- Check DTC Repair Action: 1\) CAN Lines Check 2\) Read Fault memory of all nodes 3\) Check and download the right calibration file for current vehicle configuration ECU\-In\-Plant\-Mode \- B235A\-00 Repair Action: Install Calibration file with correct policy Ecu Internal Performance \- Internal Electronic Failure \- DTC B22A9\-49 Repair Action: 1. If its in store clear and check again if DTC shows up. 2. Check battery voltage 3. Issue still exist then change ECU ECU Not Programmed / Flash Required \(No Valid Application\) \- DTC C221C\-00 Repair Action: 1. Reflash ECU with correct file Control Module Security Certificate Missing/Invalid \- DTC U3033\-00 or U3033\-01 Repair Action: 1. Check connectivity 2. Ethernet network 3. Flash with the latest FOTA App Code 4. Flash the cert store with correct certificate 5. Clear Faults