The EvoHT2 also doubles as a powerful diagnostic and monitoring tool. Quickly read and clear DTCs (Diagnostic Trouble Codes) and access real-time performance data right from the easy-to-use handheld device. Backed by Edge Products’ 20+ years of tuning expertise, the EvoHT2 Handheld Tuner is the perfect solution for truck owners who want a reliable, affordable way to enhance performance and efficiency with the convenience of flash tuning technology.