XM Radio Preset Memory Is Lost

Audio System Symptom Troubleshooting - XM radio preset memory is lost

XM radio preset memory is lost

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- If you can only tune to channels 000, 001, 174, and 247, make sure the audio unit is set to the channel mode (see owner's manual). If it is set to channel mode, call XM satellite radio customer support, and check the account activation status.

1. Turn the ignition switch to ON (II).

2. Turn on the audio-navigation unit or audio unit, and set each of the XM radio channel preset buttons.

Do each of the XM radio channel preset buttons set properly?

YES -

Go to step 3.

NO -

Go to step 5.

3. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).

4. Test all of the XM radio channel preset buttons for proper recall operation.

Do the preset buttons recall the set radio stations?

YES -

Intermittent failure, the system is normal at this time. Check the connections at the audio-navigation unit or the audio unit.�

NO -

Go to step 5.

5. Turn the ignition switch to LOCK (0).

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





Is there battery voltage?

YES -

Go to step 7.

NO -

Repair an open in the wire between the audio-navigation unit or the audio unit and the XM receiver.�

7. Turn the ignition switch to ON (II).

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





Is there less than 0.2 V?

YES -

Replace the XM receiver XM Receiver Removal/Installation.�

NO -

Repair an open in the wire between the audio-navigation unit or the audio unit and the XM receiver.�