Flashcal+ for Wrangler JK 3.8L/3.6L brings wireless control, combining a smartphone app and Bluetooth dongle to tap into your vehicle's OBD-II. It's not just an upgrade from the 'F5' series, but a leap forward with a smooth touchscreen interface, no cables, and real-time data access. Key features include adjustable daytime running lights, tire pressure monitoring, speedometer recalibration, axle lock, engine idle control, Bluetooth connectivity, and more. It also offers live data monitoring, module reset options, and a tire size wizard for easy speedometer calibration. Designed for 2007-2018 Jeep Wrangler JK, it's a powerful tool for enthusiasts and mechanics alike.