Modern GM transmissions can be more than a little tricky with all the wiring and tuning involved, but nobody said it needed to be that way. If only there were a little computer you could slap on your ...

<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 ...

The largest automaker of the Detroit Big Three has identified multiple issues with the software in the transmission control module of nearly 78,000 vans. More specifically, the 2022 to 2023 model year ...