AutoTuner Tool Device Master Version is a newer style ECU programmer supporting BDM / Bench and OBD. Its also a ONE time payment device. Autotuner is characterised by its single fee package, its ease of use and high efficiency. Autotuner is a universal tool which is able to read information from most ECUs and microcontrollers available on the market in boot tricore Infineon (BSL) or via the OBD diagnostic socket.