After a 981 reset the directv device is programmed with code 00001 already. If still doesn't respond, than the receiver might be in rf mode:
1. dtv
2. press and hold MUTE & SELECT, wait for two blinks, release
3. enter 9 6 1
4. press CH UP
5. enter last 6 digits of Receiver ID #(RID), found on a sticker in the access card compartment
6. press SELECT