Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

relearn

  1. Engine Tunes/Mods
    Hi everyone, I am new to the site and have just ordered a tuned PCM from PCM4LESS. I was an idiot and didn't read the instructions that I now need a CASE relearn. I have not yet found anyone in Minnesota that knows how to do it or has the Tech II. My local Chevy dealership said they'd do it...
  2. Engine Tunes/Mods
    Just got a used pcm off from eBay. The vendor "flashed" my vin number into the pcm, supposively as calibrated software claiming "ready to install." I bought this to use as my "spare stock unit." I'm preparing to send my current pcm on the truck to PCMForLess tuning. So I thought it was time to...
Top