Error Code: XM ANTENNA Or XM Loading Is Displayed
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- Check XM radio reception in an open area. Poor reception/interference can be caused by tall buildings, mountains, or high-voltage power lines.
- Park vehicle outside with a clear view of the southern horizon.
- Turn the ignition switch to ON (II).
- Check for other XM error codes.
Are the other XM error codes displayed?
YES -Go to ERROR CODES .
NO -Go to next step.
- Turn the ignition switch to LOCK (0).
- Check the connection at XM receiver connector A (14P) and B (2P).
Are the connector connected?
YES -Go to next step.
NO -Reconnect the connector. If the error message does not go away, go to next step.
- Check the connection at AM/FM/XM antenna 2P connector.
Is the connector connected?
YES -Go to next step.
NO -Reconnect the connector. If the error message does not go away, go to next step.
- Check the pin locations in the XM receiver connector and the XM antenna connector.
Are the pins in the correct locations?
YES -Go to next step.
NO -Reconnect the connector, and recheck. If the error message does not go away, go to step 8.
- Substitute a known-good AM/FM/XM antenna (see AM/FM/XM ANTENNA REPLACEMENT
).
Is the error message gone?
YES -Replace the AM/FM/XM antenna (see AM/FM/XM ANTENNA REPLACEMENT ).
NO -Go to next step.
- Substitute a known-good XM receiver (see USB ADAPTER CONTROL UNIT REPLACEMENT
).
Is the error message gone?
YES -Replace the original XM receiver (see XM RECEIVER REMOVAL/INSTALLATION ).
NO -Replace the XM antenna lead.