Telematics Box Module (TBM) Over The Air Software Update to 5.39.1 Customers may experience one or more of...
Ram technical service bulletin 0813923 for 2023 Ram 2500, 2023 Ram 5500 and 2023 Ram 4500.
- Bulletin number
- 0813923
- Component
- Electrical system
- Summary
- Telematics Box Module (TBM) Over The Air Software Update to 5.39.1 Customers may experience one or more of the following: ? Uconnect Box Message at Startup. ? Uconnect Box Error Or Requires Service Message. ? Connectivity: Uconnect Mobile App trunk status showing as closed when trunk is open. ? Connectivity: Diagnostic Trouble Codes (DTCs) for Electronic Control Modules (ECUs) won?t be shown to customer through the Vehicle Health alert (Mobile app or email). This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The TBM software will be updated from 5.25 to 5.39.1. NOTE: The national launch for the FOTA is expected to begin June 26, 2023.
Owners of these vehicles have filed 10 complaints in the electrical category.
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