RAM 2500 2023 — technical service bulletin
Bulletin 0813923 · NHTSA communication 10242813 · issued Jul 18, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
4
vehicle entries
Official 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: 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 w
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.