XM Radio Preset Memory Is Lost (Canada Models With Navigation)

Audio System Symptom Troubleshooting - XM radio preset memory is lost

XM radio preset memory is lost (Canada models with navigation)

NOTE:

- Check the vehicle battery condition first Battery Test.
- Make sure the remotes are linked.
- Check the connectors for poor connections or loose terminals.
- If you can only tune to channel 000, 001, 174, and 247, make sure the audio-navigation unit is set to channel mode. If it is set to channel mode, call XM Radio client support, and check the account activation status.

1. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

2. Turn on the audio system, 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), or press the engine start/stop button to select the OFF mode for 1 minute, then back to ON (II), or the ON mode.

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 OK at this time. Check connections at the audio-navigation unit.

NO -

Go to step 5.

5. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

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





Is there battery voltage?

YES -

Go to step 8.

NO -

Go to step 7.

7. Measure the voltage between audio-navigation unit connector C (14P) terminal No. 1 and body ground.





Is there battery voltage?

YES -

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

NO -

Substitute a known-good audio-navigation unit (including the HDD) Audio-Navigation Unit Removal/Installation, and recheck. If the symptom/indication goes away, replace the original audio-navigation unit Audio-Navigation Unit Removal/Installation.

8. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

9. 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 or high resistance in the wire between the XM receiver and the audio-navigation unit.