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Rough Country Speedometer Calibrator (18-23 3.6L Jeep Wrangler JL)Find parts that fit my vehicle

Item J157870-JL
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ExtremeTerrain no longer carries the Rough Country Speedometer Calibrator (18-23 3.6L Jeep Wrangler JL). Please check out Jeep CJ7 Engine Performance Parts for 1976-1986 Wrangler for an updated selection.
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6 Reviews

    Product Information

    Features, Description, Reviews, Q&A, Specs & Installation

    Features

    • Speedometer Calibration Device
    • Resets Speedometer to Accurate Readings for Larger Tires
    • Updates OE ECM Shift Points
    • Calibrates Electronic Stability Control
    • Options to Return to Stock Settings
    • Reads Diagnostic Codes
    • Easy, Plug-and-Play Installation
    • Backed by a 1-Year Warranty
    • Not Compatible with Adaptive Cruise Control
    • Designed for All 2018 to 2023 3.6L Jeep Wrangler JL Models

    Description

    Enhanced Performance. Calibrate your Jeep Wrangler’s speedometer functions to match the output of your newly installed larger tire. This Rough Country Speedometer Calibrator is specifically built to correct the discrepancy between your actual speed and the measurement displayed on your speedometer when using larger tires. It calibrates the Electronic Stability Control to work with larger tires. Moreover, it updates the OE ECM shift points for accurate speed readings.

    Added Features. This Speedometer Calibrator can also read and check all diagnostic codes. It helps you manage the “check engine light” and “service needed” messages for more convenient functionality. Moreover, it includes a convenient function to reset the speedometer to factory settings before the upgrade.

    Plug-and-Play Installation. Rough Country built this Speedometer Calibrator to directly plug into your factory wiring system. The straightforward installation completes in minutes and requires no modification or interference with your vehicle’s electronics.

    One-Year Warranty. A limited warranty is offered by Rough Country for this Speedometer Calibrator with a 1-year coverage. This warranty includes manufacturing defects in materials and workmanship under normal and proper use. Some exclusions apply. Please check the full warranty policy for complete details.

    Application. This Rough Country Speedometer Calibrator is designed to be used on all 2018 to 2023 3.6L Jeep Wrangler JL models.

    Please Note. This Speedometer Calibrator is not compatible with with Adaptive Cruise Control.

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    Installation & What's in the Box

    Installation Info

    Installation Time

    (approx) 10 Minutes

    Difficulty Level:

    Simple installation for anyone.

    Installation Guides

      No guide available for this part yet.

    What's in the Box

    • (1) Speedometer Calibration Tool Kit
    5.0

    Customer Reviews (6)

    Questions & Answers

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