ECRI connects to your vehicle using an ECRI wireless device, which allows you to see current calibrations and write new ones.

Benefits:
• Easy to read current calibrations
• Writing new calibrations is fast and easy
• Use your phone's GPS to calibrate your tire size/speedometer
• Calibration history is saved for each vehicle, letting you see calibration history from all ECRI uses on your vehicle

Vehicles supported:
• 2007-17 Jeep Wrangler (requires ECRI device)
• 2018-20 Jeep Wrangler (requires ECRI device and ECRI security bypass module)

System requirements:
• Bluetooth 4+
• Internet access (WIFI or cellular)
• GPS (if using automatic speedometer calibration)

We've made updates to support the latest Android phones, support new vehicle features and squashed a few bugs along the way.