Check a VIN

March 28, 2026 Service bulletin

Flash: Radio Frequency Hub Module (RFHM) Updates

Ram technical service bulletin 08-140-26 for 2025 Ram 1500.

Bulletin number
08-140-26
Component
Electrical system
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.

Owners of these vehicles have filed 201 complaints in the electrical category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Ram 1500?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history