ECRI Calibration Module - Fits 2007-17 Jeep Wrangler JK - Requires in-APP Purchase PER Vehicle

EASY TO USE: Use the ECRI iOS or Android app to view current, past and write new calibrations. Requires an additional in-app purchase to write new calibrations. ALWAYS UP TO DATE: Your ECRI device will receive updates from the ECRI app wirelessly, enabling new features and vehicles without any extra effort. GET CALIBRATED: Adjust tire size, axle gear ratio, transfer case ratio, TPMS threshold, TPMS disable, daytime running light modes and more to make your vehicle perform optimally. SHAREABLE: One device can be used on multiple vehicles, so share with a friend or use as a tool at your shop. ECRI remembers your vehicle even if a different user borrows the device. ECRI is an American company owned by enthusiasts working to make aftermarket modifications easier for fellow enthusiasts.