Maybe.

See here:
http://www.tegger.com/hondafaq/misc/immobilizer_reprogram/

Any of those help? I've got more...somewhere...

These are the instructions for a '01 TL. They might work you:

Here are the instructions for programming a keyless transmitter.

Storing transmitter codes:
The codes of up to three transmitters can be read into the keyless
receiver unit memory.  If a fourth code is stored, the code which was
input first will be erased.)

NOTE: It is important to maintain the time limits between the steps.
Make sure the doors and the hatch are closed.

1. Turn the ignition switch ON (II).

2. Within 1 to 4 sec., push the transmitter lock or unlock button with
the transmitter aimed at the receiver under the audio unit.

3. Within 1 to 4 sec., turn the ignition switch OFF.

4. Within 1 to 4 sec., turn the ignition switch ON (II).

5. Within 1 to 4 sec., push the transmitter lock or unlock button with
the transmitter aimed at the receiver under the audio unit.

6. Within 1 to 4 sec., turn the ignition switch OFF.

7. Within 1 to 4 sec., turn the ignition switch ON (II).

8. Within 1 to 4 sec., push the transmitter lock or unlock button with
the transmitter aimed at the receiver under the audio unit.

9. Within 1 to 4 sec., turn the ignition switch OFF.

10. Within 1 to 4 sec., turn the ignition switch ON (II).

11. Within 1 to 4 sec., push the transmitter lock or unlock button
with the transmitter aimed at the receiver under the audio unit.

12. YOU SHOULD NOW HAVE HEARD THE SOUND OF THE DOOR LOCK  ACTUATORS!
Within 1 to 4 sec., push the transmitter lock or unlock button again.

13. Within 10 sec., aim any remaining transmitters (up to two
additional ones) whose codes you want to store at the receiver, and
press the transmitter lock or unlock buttons. Confirm that you can
hear the sound of the door lock actuators after each transmitter code
is stored.

14. Turn the ignition switch OFF, and pull out the key.

15. Confirm proper operation of the transmitters.