04 Corvette computer locked need to reflash whole computer

[Precisionauto]

04 corvette computer locked need help to do complete reflash.

[Blacky]

What does the SEED value show up as in the text display after you click the [Start] Programming button?
If it shows up as $FFFF, then use the key $FFFF to unlock the controller.

If you are using the latest version of our softwar (V7.5.1) available here:
http://forum.efilive.com/showthread.php?t=6330
Try checking the "Try alt keys" checkbox.

Regards
Paul