RAM 1500 2025–2026 — technical service bulletin
Bulletin 08-339-25 · NHTSA communication 11024300 · issued Oct 9, 2025
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
2
vehicle entries
Official summary
Global Telematics Box Module (TBM) Firmware Over The Air (FOTA) Update From R5N to R5T Software Level The customer may comment on the following: ● Radio screen displays "Uconnect Box Error" with the message "Uconnect Box requires service. Please visit an authorized dealer" Fig. 1. Rear View Camera (RVC) functions normally. 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 R5N to R5T software level.
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.