HP Tuners 6023 VCM Tuner Custom vcm/PCM tuning and calibration Vcm Editors flash utility allows not just calibration flashing and automated recovery, but entire vcm/PCM image reflashing Allows for increased vehicle support for tuners, and also access to extra vcm/PCM operating system Code modifcations It allows viewing, charting and logging of diagnostic data in real time via the vehicle OBDII diagnostic data port