Audio System DTC Troubleshooting: 2607: Overview
If the audio unit indicates NG in the SXM Antenna diagnosis (the XM ANT icon is red in the System Links), the audio unit determines an abnormality and stores the DTC.
If the audio unit indicates NG in the SXM Antenna diagnosis (the XM ANT icon is red in the System Links), the audio unit determines an abnormality and stores the DTC.