July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Unit Check (Quick Check): XM

This diagnosis checks on the GA-Net bus between the audio-navigation unit and the XM receiver.
When the Connection shows NG, check the connection between the XM receiver and the audio unit.

Fig 1: Diagnostic Screen Display - XM
Courtesy of AMERICAN HONDA MOTOR CO., INC.