please help to recover PCM LS 1 GM

[mishka509]

please help to recover PCM LS 1 GM 2001 GMC 5.3L Serv. NO 12200411 , while writing calibration changes with PCM Hammer something went wrong and now PCM don't respond and I cant recover , please help me who can? what steps need to be done to recover this PCM ? I have Stock file .19919


Operation system 12202088

[2xls1]

http://www.gearhead-efi.com/Fuel-Injection/showthread.php?8815-Bricked-to-unbridled-maybe