battery died on my 03 tl so the radio reseted. the code i have done work even when i unplug the antenna. anyone work for honda/acura can please take a min and help me get a code? s/n that comes up when i hold 1 and 6 is U3003, L6676. thanks!

 

1-Disconnect battery for about 10 minutes plug it back and
2-Turn the ignition to on position
3-make sure radio is off
4-Press and hold buttons 1 and 6 simultaneously
5-While holding 1 and press the power button on the radio
This will display the radio serial number, go to your local dealer with the vehicle registration and be nice use the parts department, i done this 2 or 3 times in the past 10 years never pay a dime