Is it true HPTuner wont work with certain early models 2004's because the boot loader isn't supported? If so what are my options. Going with diablo? A 2005 pcm? Updating existing boot loader?
Is it true HPTuner wont work with certain early models 2004's because the boot loader isn't supported? If so what are my options. Going with diablo? A 2005 pcm? Updating existing boot loader?
It is not a bootloader issue. It is a wiring issue. I have detailed the fix in the other thread:
https://forum.hptuners.com/showthrea...l=1#post692099