RAM 2500 2022–2023 — technical service bulletin
Bulletin 0816223 · NHTSA communication 10242792 · issued Jul 11, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
8
vehicle entries
Official summary
Flash: Global Telematics Box Module (TBM) Update to 5.39.1 The customer may experience the one or more of the following: ? Uconnect Box Message at Startup. ? Uconnect Box Error Or Requires Service Message. ? Uconnect Mobile App trunk status showing as closed when trunk is open. ? Diagnostic Trouble Codes (DTCs) for Electronic Control Modules (ECUs) won?t be shown to customer through the Vehicle Health alert (Mobile App or email). The TBM software will be updated from 5.25 to 5.39.1.
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.