CombiBox is designed to connect an ECU to PCMflash and a J2534 device on the bench and to switch power and GPT1, GPT2 signals, and to form BOOT, CNF1 signals. When used with Scanmatik 2 PRO CombiBox for PCMflash allows to form GPT1, GPT2 signals necessary to work with Module 53 and Module 71, and future modules.