I have a 01 S10 blazer and a 01 S10 pickup. I never had a problem tuning the s10 Blazer until the newest update. It keeps saying bootloader failed. and with the S10 pickup i gutted the cat and air system and disables the MIL for the codes yet the codes keep coming up??? Anyone have these problems? I keep getting a P0420 for the cat and a P0410 and when i check the tune they are both disabled???