Well I have 2 Bully Dog programers one will reprogram the speedo and the other will not. The one that will not is the newest update and has been back to bully dog 2 times and still won't work so I'm starting to wonder if it's related to my truck. Does anybody have any ideas? I have already asked in the LB7 electronics section with not much luck. Soon I will try the programer that does not work on another truck. Thanks

I too have seen Bully dog programmers that do not work to correct the speedo. They go through the motions, but nothing changes.

Yeah thats what it is doing, Did you ever give bully dog a call? Or figure something out?