DODGE
08-356-25
Manufacturer communications
- Publication date
- 2025-10-25
- Received by NHTSA
- 2025-10-29
- NHTSA record numbers
- 11024565
Manufacturer summary
Original wording in English
Security Gateway Module (SGW) Software UpdateCustomers must comment on the following: The following software enhancements are 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 flashing the SGW to the latest software level in the case that the FOTA did not function.
• 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 flashing the SGW to the latest software level in the case that the FOTA did not function.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Dodge
U3033-00Control Module Security Certificate Missing/InvalidDodge
U3033-01Control Module Security Certificate Missing/Invalid - General Electrical Failure are both active or stored and cannot clearCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Dodge | CHARGER | 2026 |