Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!

dsp2

  1. EFI Live
    I keep trying to load my DSP2 tune into my '05 LLY and it gets to a point and then it stops and says bootloader rejected...what does this mean. I tried pulling the radio fuse and the info fuse and it still won't let me reflash my ecm...can someone help me out...not sure what to try. Thanks
Top