Flashcal+ (Flashcal Plus) for Wrangler JK is WIRELESS! Superchips is proud to announce the newest generation of electronic calibrator with a powerful combination of smartphone app and Bluetooth module that adds these features to the traditional controls you've always counted on us for: CRAWL Screen (illustration above) Acts as a live and on-the-fly interface: Front & Rear Differential Lock, TPMS Adjust, Engine RPM idle up (CRAWL features vary by year and trim level of vehicle) Tire Size Wizard - Self-calibrates the settings of your speedometer with your phones GPS. Renders entering data like tire height in inches unnecessary, and you dont even have to get out of your Jeep. (You can still enter tire size by height the old-fashioned if you want.) Live Data Monitoring with customizable gauge display, as well as reading and clearing trouble codes (CELs) Service Options menu for home repairs: ABS Initialization, Brake Pedal Relearn, Cam/Crank Sync Resets modules option for ABS (anti-lock brakes), BCM (body control module), TPMS (tire pressure monitoring), and IPC (instrument panel cluster) modules Installers for Android and iOS can be found in Flashcal+ Product Page Bluetooth connection from wireless dongle to Android or iPhone, and no wires to run *Results and feature set may vary based on vehicle make, model, and aftermarket upgrades. Read all instructions before installation and/or operation of this product use.