Rough Country Speedometer Calibrator for Jeep Wrangler JL/Gladiator JT 90019

Restore Accuracy After Bigger Tires: Put the finishing touch on your lifted ride with Rough Country's Speedometer Calibration Device. Designed for larger tire setups, this easy-to-use calibrator ensures your speedometer displays true readings - no more guessing your actual speed.Plug-and-Play Simplicity: Installation is quick and hassle-free. Just connect the device to your vehicle's Diagnostic Link Connector Port and in minutes your speedometer, shift points, and stability control are all recalibrated to factory precision.Optimized Performance and Control: Unlike simple readout changes, Rough Country's calibrator updates your vehicle's ECM to maintain accurate shift timing and reliable electronic stability control, keeping your driving experience smooth and safe.Built-In Diagnostic Reader: Manage "check engine" and "service" lights with ease. The calibrator reads and clears diagnostic trouble codes and even allows you to return to stock settings whenever needed - perfect before servicing your vehicle.Reliable and Backed by Warranty: Enjoy peace of mind knowing your investment is protected by Rough Country's 1-Year Warranty. Get professional-grade calibration and full system compatibility at an unbeatable value.

Features:

• Accurate Speedometer Readings: Corrects your speedometer to display true speeds after installing larger tires.\ Simple Plug-and-Play Setup: Installs easily with no cutting, splicing, or complex programming required.\ Optimized Shift Points: Updates your vehicle's ECM to maintain smooth, factory-quality shifting with oversized tires.\ Enhanced Stability Control: Recalibrates your Electronic Stability Control system for reliable handling and performance.\ Diagnostic Code Reader: Reads and clears trouble codes, including "check engine" lights, for quick issue resolution.\ Restore to Stock Anytime: Easily revert your vehicle to factory settings whenever you choose.\ Backed by a 1-Year Warranty: Includes reliable protection and support from Rough Country..

Notes:

• Download the latest software update here.
• Does NOT work on models with Adaptive Cruise Control.
• Does NOT work on 2.0/3.6L hybrid models.
• Does NOT work on 392 models.
• This programmer is designed to function as a standalone unit and is NOT compatible with any type of performance programmer.
• Rough Country's Speedometer Calibrator can only be used with one vehicle at a time.
• As with all other programmers, once programmed, the programmer is locked to that vehicle and cannot be used with any other vehicles until the programmed vehicle is returned to stock settings.
• Emissions Certifications: Not for sale or use in California..

Installation Time Estimated: 5-10 minutes

Fitments:

• 2018-2018:2WD:Ram:1500.
• 2018-2018:4WD:Ram:1500.
• 2020-2023:4WD:Jeep:Gladiator.
• 2018-2023:4WD:Jeep:Wrangler.