Radio Displays Error Code: XM NO SIGNAL or XM ANTENNA

Radio displays error code: XM NO SIGNAL or XM ANTENNA

NOTE: Check the XM radio reception in an open area. Poor reception/interference can be caused by tall buildings, mountains, or high-voltage power lines.

1. Park the vehicle outside with a clear view of the southern horizon.

Does the XM radio receive a signal?

YES - Reception interference operation is normal.

NO - Go to step 2.

2. Check XM antenna connector B (2P) at XM receiver.

Is XM antenna connector B connected?

YES - Go to step 3.

NO - Reconnect XM connector B, recheck the XM radio operation. If the signal restored, operation is normal. If signal not restored go to step 3.

3. Substitute a known-good XM antenna.

Does the XM radio receiver signal?

YES - Replace the XM antenna.

NO - Substitute a known-good XM antenna subharness. If the XM radio receives signal, replace the original XM antenna subharness.