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Diamond HarperSep 14, 2025
How to fix 'Check Antenna Connection' message on Sirius XM Radio?
- MMichael PalmerSep 14, 2025
First, make sure that the antenna cable is firmly and securely plugged into the Home Dock. If the message persists, turn your Onyx Plus Off, then On, to reset it. If neither of these steps works, you may need to replace the antenna.