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ECRI Calibration
  • About Us
  • Products
    • ECRI Wireless Vehicle Calibration Device
    • ECRI Freedom Module
    • Vehicle Programming Unlock
  • Help Center
    • FAQ
    • Instructions
    • Returns
  • Contact
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ECRI Calibration for Jeep Wrangler, Gladiator and Dodge Ram

It's "ECRI Easy" with dozens of calibrations at your fingertips.

Get Started

Tire Size - TPMS - Speedometer - Axle Gear Ratio - Factory Reset - Daytime Running Lights - LED Signals

Speedometer calibration today, turn TPMS light off next week, LED light install next month, gear install next year…accessorizing your Jeep never ends.  Be on top of all your current and future mods with ECRI. With the price of ECRI being less than one visit to the dealership, it’s easy to understand why ECRI is such a common tool for Jeep owners.  
 
Calibrating your speedometer is by far the most popular use for ECRI.  It’s so easy to fix your speedometer reading that we call it “ECRI Easy”. Accurate tire size calibration means accurate speedometer, improved fuel efficiency, better shifting, and less stress on your drivetrain.

Calibrated Jeep Wrangler climbing rocks
GPS Speedometer Calibration with ECRI
Jeep Wrangler rock crawling
Photo of an ECRI Device assembled and designed in the USA

Easy to Use, Real Human Support

Gone are the days of reading a long instruction manual and guessing if values were accurately programmed.  Simply plug in the ECRI OBD device and fire up the app. You're greeted with an easy to read list of all current values and can change any settings to match the installed equipment on your vehicle.
 
ECRI is a family-owned business in America that emphasizes making quality, easy to use equipment. ECRI is engineered, designed, and packaged in Springfield, Missouri.  That means no AI support, no off-shore support…ECRI provides knowledgeable human support before and after your purchase.

ECRI Wireless Vehicle Calibration Device
ECRI Wireless Vehicle Calibration Device
ECRI Wireless Vehicle Calibration Device
ECRI Wireless Vehicle Calibration Device
ECRI Wireless Vehicle Calibration Device
ECRI Wireless Vehicle Calibration Device
ECRI Wireless Vehicle Calibration Device

ECRI Wireless Vehicle Calibration Device

$109.99 $129.98

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This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

Let customers speak for us

from 271 reviews
Speedometer Recalibration

The ECRI unit did exactly as advertised for my speedometer needs. The directions and video were helpful and easy to follow as I recalibrated by Jeep Gladiator for new 37” tires. I also took advantage of a couple of other featured setting controls that weren’t important to me when ordering the unit (such allowing my fog lights to stay on with high beams), but have been an added bonus since making the adjustment.

Steve K.
02/28/2026
ECRI Wireless Vehicle Calibration Device

Once I figured out the instructions, it worked beautifully.
Additionally, it looks like it could be used on more than a single vehicle as you must putshase an unlock for a specific VIN

Megan
01/12/2026
ECRI Wireless Vehicle Calibration Device

Sure makes it easy to take control of your settings works great

R.W.
12/17/2025
ECRI® Freedom Module for 2018+ Jeep Wrangler and Gladiator
Easy to use

Works as advertised, and is easy to use.

David S.
11/03/2025
ECRI Wireless Vehicle Calibration Device
Works As Advertised

Worked well for me. I'd like to see the dimensional design of it updated to make it easier to grasp. The plugs can be difficult to remove when fully seated and the hard edges can be a pain to hold onto, especially while working under the dash. This aside, no regrets purchasing it.

David C.
11/03/2025
ECRI Security Gateway Module Bypass (Fits 2018+ Jeep, Ram, Chrysler, Alfa Romeo, Fiat) * NO RETURNS *
ECRI security gateway bypass module

There were really no instructions to explain how it was supposed to be installed, but once I found out it just plugs in where the oem security module was, it was an easy install in a 2018 RAM 1500 4x4. It works great!!!

Doug H.
10/29/2025
ECRI Security Gateway Module Bypass (Fits 2018+ Jeep, Ram, Chrysler, Alfa Romeo, Fiat) * NO RETURNS *
Worked great!!

Was able to recalibrate my speedometer after going g from 31's to 33's. Calibration was easy and straight forward.

Jason W.
10/16/2025
ECRI Security Gateway Module Bypass (Fits 2018+ Jeep, Ram, Chrysler, Alfa Romeo, Fiat) * NO RETURNS *
Worked perfectly

Fixed the speedo and rev limits which is what I bought it for, the other features are all a bonus.

Dustin b.
10/10/2025
ECRI Wireless Vehicle Calibration Device
EZ PEEZY

great product. 6 stars customer service!

Thang C.
09/08/2025
ECRI Wireless Vehicle Calibration Device

ECRI Wireless Vehicle Calibration Device

Jacques P.
09/02/2025
ECRI Wireless Vehicle Calibration Device

ECRI Wireless Vehicle Calibration Device

Kenneth D.A.
08/19/2025
ECRI Wireless Vehicle Calibration Device
Perfect!

Works exactly as advertised, very user friendly and easy to use.

Chris M.
08/06/2025
ECRI Wireless Vehicle Calibration Device
Must have tool

Works very well, super easy to use and it’s not limited to only one vehicle.

Wayne
08/01/2025
ECRI Wireless Vehicle Calibration Device
Amazing Support

I bought this to reprogram the tire size and gear ratios of my Jeep. when I launched the app had a few errors when trying to push the configuration. I opened a support ticket and within a few hours I had a response and support pin pointed the issue to one of the modules on my Jeep having a misconfiguration. Support helped me get the configuration changed on their end and I was able to update my jeep.

It was refreshing to have support from a company actually respond and assist with finding a solution for my issue. They could easily just said there was an issue with my Jeep and not have gone the extra mile.

I will be buying licenses for the other Jeeps in our family.

Brandon H.
07/23/2025
Vehicle Programming Unlock - 1 Vehicle

ECRI Security Gateway Module Bypass (Fits 2018+ Jeep, Ram, Chrysler, Alfa Romeo, Fiat) * NO RETURNS *

JAMES C.
07/22/2025
ECRI Security Gateway Module Bypass (Fits 2018+ Jeep, Ram, Chrysler, Alfa Romeo, Fiat) * NO RETURNS *
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