2008+ 5.3 ecu/tcm flash
Looking to get my ecu/tcm flashed by a reasonably creditable local tuner. He is a little hesitant on flashing the newer harnesess for they have the bcm. My ecu and tcm are from the same vehicle. If anyone has any information on what flashes to use or any advice that would be awesome. Also, if you guys know anyone in Washington that flashes, that would be great too.
Thanks


