Note: Many Mac users report better success using a Windows virtual machine (Parallels/VMware) than native macOS.
If you see normal gauges or the home screen, power off and repeat the button-hold procedure. how to update scangauge 2 firmware
If you own a ScanGauge 2, you already know it’s one of the most powerful and versatile automotive diagnostic and performance monitoring tools on the market. It reads trouble codes, tracks fuel economy, monitors transmission temperature, and displays over a dozen critical engine parameters in real-time. Note: Many Mac users report better success using