Flash: Radio Frequency Hub Module (RFHM) Updates Technicians may experience the following Diagnostic...
Ram technical service bulletin 08-189-25 for 2025 Ram 2500, 2025 Ram 3500 and 2025 Ram 5500 and others.
- Bulletin number
- 08-189-25
- Component
- Electrical system
- Summary
- "Flash: Radio Frequency Hub Module (RFHM) Updates Technicians may experience the following Diagnostic Trouble Code (DTC): ● B22A9-00 - ECU Internal Performance. NOTE: This DTC will be Active and there are no customer symptoms with this DTC."
Owners of these vehicles have filed 69 complaints in the electrical category.
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