Symptom Troubleshooting

Symptom Troubleshooting: Error code: XM NO SIGNAL or XM ANTENNA is displayed

Error code: XM NO SIGNAL or XM ANTENNA is displayed

NOTE:

- Check the vehicle battery condition first.

- 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.

1. 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.

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 AM/FM/XM antenna. AM/FM/XM Antenna Replacement (With XM Radio)

Is the error message gone?
YES - Replace the AM/FM/XM antenna. AM/FM/XM Antenna Replacement (With XM Radio)

NO - Go to step 5.


5. Substitute a known-good XM receiver. XM Receiver Replacement (With XM Radio)

Is the error message gone?
YES - Replace the original XM receiver. XM Receiver Replacement (With XM Radio)

NO - Replace the XM antenna lead.