Diesel Data: Automotive Repair

Symptom Troubleshooting




Audio System Symptom Troubleshooting - Radio preset memory is lost

Radio preset memory is lost

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- If only XM stations are lost, go to XM radio preset memory is lost XM Radio Preset Memory Is Lost.

1. Set each of the radio station preset buttons.

Do each of the buttons set properly?

YES -

Go to step 2.

NO -

Replace the audio unit Audio Unit Removal/Installation.�

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

3. Test the preset buttons for proper recall operation.

Do the preset buttons recall the set radio stations?

YES -

System is normal at this time. Check connections at the audio unit.�

NO -

Replace the audio unit Audio Unit Removal/Installation.�