RAM 1500 2023–2024 — technical service bulletin
Bulletin 08-157-25 REV. A · NHTSA communication 11018682 · issued May 24, 2025
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
2
vehicle entries
Official summary
"R1H Radio Over The Air Update from T27.46 to U29.44 then U35.26 Software Version (FOTA)"
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.