XM Radio Preset Memory Is Lost (With Navigation)
XM radio preset memory is lost (with navigation)NOTE: If you can only tune to channel 01, and 247, call XM 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 - Replace the navigation unit.
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.
NO - Go to step 4.
4. Turn the ignition switch to LOCK (0).
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. Check for voltage between XM receiver connector A (14P) No. 11 terminal and body ground.
Is there less than 0.1 V?
YES - Replace the XM receiver.
NO - Repair open in the wire between XM receiver connector A (14P) No. 11 terminal and body ground (G505).