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April 28, 2026 Service bulletin

Flash: Radio Frequency Hub Module (RFHM) Updates Technician may find the vehicle has set at least one of...

Ram technical service bulletin 08-018-26 REV. A for 2026 Ram 2500, 2026 Ram 3500 and 2026 Ram 5500 and others.

Bulletin number
08-018-26 REV. A
Component
Electrical system
Summary
Flash: Radio Frequency Hub Module (RFHM) Updates Technician may find the vehicle has set at least one of the following Diagnostic Trouble Codes (DTCs): ● B1A08-00 - RKE Fob 1 Performance. ● B1A09-00 - RKE Fob 2 Performance. Customers may also comment on one or more of the following: ● Lock / unlock from keyfob inoperable. ● Passive entry inoperable This bulletin involves inspecting and possibly reprogramming of the RFHM with the latest available software

Owners of these vehicles have filed 31 complaints in the electrical category.

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