RAM 1500 2025 — technical service bulletin
Bulletin 08-140-26 · NHTSA communication 11030420 · issued Mar 28, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
Flash: Radio Frequency Hub Module (RFHM) Updates Customer may experience one or more of the following: SYMPTOM: ● **12V vehicle battery dies if keys are left within proximity range (NA vehicles only).** ● RFHM software update fails when attempting to perform a flash. ● Low vehicle battery. ● Key fob is inoperable. ● Proximity is inoperable. and a new LOPs.
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.