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Pro Comp Accu Pro Speedometer & Odometer Calibration Tool

What Do You Drive? We Will Tell You If It Fits.
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    • Recalibrate for larger wheels & tires up to 54"
    • Recalibrate to correct speedometer and odometer readings to work with non-stock rear end gears
    • Check & clear diagnostic trouble codes
    • Easily installs by plugging into your vehicles OBDII port with no disassembly to the interior or dash
    • Takes only minutes to recalibrate your vehicles speedometer and odometer functions. It offers a simple plug and play operation that is extremely easy to understand and follow
    • Made in the USA

    The Pro Comp Accu Pro speedometer & odometer calibration tool is engineered for the consumer that wants the recalibration and diagnostic functions of a programmer without the additional expense.

    Accu Pro simply plugs into your truck or SUV's under-dash OBDII port. From there, simply select the tire height or new gear ratio and within a matter of minutes the vehicle's computer is reprogrammed for accurate speedometer and odometer readings.

    Your AccuPro recalibration tool has the ability to correct, read, and clear Diagnostic Trouble Codes (DTC's) when the "check engine" light comes on. This allows you to view detailed information about the vehicle's operation without having to purchase expensive diagnostic computers or scanners used by dealership technicians.

    The Pro Comp Accu Pro speedometer & odometer calibration tool is made in the USA and will work on most late model trucks and SUVs.

    Order Notes

    Please Note: The Speedometer Calibration Programmer 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.

    View Available Part Numbers For This Product Line

    California Residents: Prop 65 Warning


    Limited Lifetime Warranty

    Accu Pro cailbration tools are covered by a limited lifetime warranty.


    This product offers an easy, at home no drill installation. The installation manual is clear cut and easy to read. For additional information or if you have any questions, please call us any day of the week.