XM Radio Preset Memory Is Lost

XM radio preset memory is lost

NOTE: 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. Set each of the XM radio channel preset buttons.

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

YES - Go to step 2.

NO - Go to step 4.

2. Turn the ignition switch OFF for 1 minute, then turn it back to ON (II).
3. Test all of the XM radio channel preset buttons for proper recall operation.

Do the preset buttons recall the set radio stations?

YES - System is normal at this time. Check the connections at the navigation unit or audio unit.

NO - Go to step 4.

4. Turn the ignition switch OFF.




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

Is there battery voltage?

YES - Go to step 6.

NO - Repair open in the wire between the under-dash fuse/relay box and XM receiver connector A (14P) No. 1 terminal.

6. Turn the ignition switch ON (II).




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

Is there less than 0.2 V?

YES - Replace the XM receiver.

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