That is a very interesting idea! I don't think anyone has bothered to do cuz the Wira Siemens VDO isn't 'hot' anymore. After market is lacking.Meaning is we simulating the TPS signal only. By using another controller. Because TPS just a small board inside the TB. Do anyone ever tried modified using other cheap controller? Or in other word is tweaking the ECU. By not bother the TPS signal?