If you’ve never heard the term flashing an ECU before, no, it’s not showing a form of identification or using a photo flash—or any other type of flashing for that matter. Flashing an ECU is tuning or ...

<BrBefore you can alter the PCM program, you have to read it first using VCM Flash (please consult the HP Tuner's manual first and observe the warnings). First, plug the interface cable into the ...