Error Code: XM No Signal or XM Antenna Is Displayed

Error code: XM NO SIGNAL or XM ANTENNA is displayed

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

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

Does XM radio receive a signal?

YES - Reception interference operation is normal at this time.

NO - Go to step 2.

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

Is XM antenna connector B connected?

YES - Go to step 3.

NO - Reconnect XM connector B, and recheck the XM radio operation. If signals are restored, operation is normal. If signals are not restored, Go to step 3.

3. Turn the ignition switch to accessory (I).




4. Check the voltage between XM receiver connector A (14P) No. 1 terminal and body ground.

Is there battery voltage?

YES - Go to step 5.

NO - Check the No. 23 (10 A) fuse (and the No. 17 (15 A) fuse, if equipped with navigation) in the under-hood fuse/relay box. If the fuse(s) are OK, and the audio system works normally in all other ways, repair open in the wire between the navigation unit (with navigation) or audio unit (without navigation) and XM receiver connector A (14P) No. 1 terminal.




5. Measure the voltage between XM receiver connector A (14P) No. 11 terminal and body ground.

Is there less than 0.1 V?

YES - Go to step 6.

NO - Repair open in the wire between XM receiver connector A (14P) No. 11 terminal and body ground (G504).

6. Substitute a known-good XM antenna.

Does the XM radio receiver a signal?

YES - Replace XM antenna.

NO - Substitute a known-good XM antenna subharness. If the XM radio receives signals, replace the original XM antenna subharness. If the XM radio does not receive signals, substitute a known-good XM receiver unit. If the XM radio receives signals, replace the XM receiver unit. If the XM radio does not receive signals, replace the XM antenna lead.