Radio Displays Error Code: XM ANTENNA
Radio displays error code: XM ANTENNA1. Check the connector at the XM receiver.
Is the connector connected?
YES - Go to step 2
NO - Reconnect the connector. If the error message does not go away, go to step 2.
2. Check the connector at the XM antenna (XM/OnStar Cellular/GPS antenna).
Is the connector connected?
YES - Go to step 3.
NO - Reconnect the connector. If the error message does not go away, go to step 3.
3. Check the pin locations in the XM receiver connector and the XM antenna connector.
Are the pins in the correct locations?
YES - Go to step 4.
NO - Correct the pin locations. If the error message does not go away, go to step 4.
4. Substitute a known-good XM antenna
Is the error message gone?
YES - Replace the XM antenna
NO - Go to step 5.
5. Substitute a known-good XM receiver.
Is the error message gone?
YES - Replace the XM receiver.
NO - Replace the XM antenna lead.