ECRI Calibration Module Review: Accuracy Tested

Last Updated on November 3, 2026 by Jaxon Mike

The ECRI Calibration Module is a solid pick for DIYers who want to fine-tune their truck or Jeep without a trip to the shop. With a 4.6-star rating, it’s proven gear for enthusiasts who like to tinker.

This one’s for anyone adjusting tire size, gear ratios, or lighting modes—and it works across multiple vehicles. The standout strength is its wireless app control, which makes recalibration feel effortless.

• Wireless updates from the ECRI app—no extra effort needed.
• Adjust tire size, axle ratio, TPMS, and more.
• One device works on multiple vehicles or for a shop.
• Shares vehicle memory even when a friend borrows it.
• Made by American enthusiasts for fellow modders.

Below, we’ll break down the features, pros, and cons so you can decide if it’s right for your rig. You’ll also get our final take on where this module shines.

What Makes the ECRI Calibration Module Worth a Look

If you’re looking to fine-tune your vehicle’s settings without a trip to the shop, this module puts the controls right in your pocket. Here’s a rundown of the features that stand out.

• Easy App Control: Use the free ECRI iOS or Android app to view current calibrations, check past settings, and write new ones — just note that writing new calibrations requires an additional in-app purchase.
• Wireless Updates: Your ECRI device picks up new features and vehicle support automatically through the app, so you don’t have to fuss with cables or manual downloads.
• Get Calibrated: Adjust tire size, axle gear ratio, transfer case ratio, TPMS threshold, and even disable TPMS or change daytime running light modes to get your vehicle performing the way you want.
• Shareable Design: One device works across multiple vehicles, making it handy for sharing with a friend or keeping as a shop tool — and ECRI remembers your vehicle even if someone else borrows the module.
• Enthusiast-Backed: ECRI is an American company run by people who are into aftermarket modifications themselves, so the focus is on making upgrades easier for fellow enthusiasts.

If you want a straightforward way to tweak key vehicle settings and keep everything updated without extra hassle, this module covers the essentials.

Where the ECRI Calibration Module Shines (and Where It Could Improve)

How the ECRI Calibration Module Makes Jeep Adjustments Simple

Getting Started: Setup and First-Time Use

You’ll plug the ECRI module into your Jeep’s OBDII port and open the free app on your phone. It’s genuinely plug-and-play, and most users say they’re up and running in under five minutes.

For 2018 and newer Jeeps, you’ll also need the Freedom Module connected. The app walks you through this step, so you won’t feel lost.

Once connected, you can view current calibrations immediately. Writing new ones requires an in-app purchase, which is a minor extra step but clearly explained.

Real-World Performance: What You Can Actually Change

The ECRI lets you adjust tire size, axle gear ratio, transfer case ratio, TPMS threshold, and even disable TPMS entirely. That covers the most common mods Jeep owners tackle after lifting or swapping tires.

Daytime running light modes are also adjustable, which is a nice bonus. Reviewers often mention how convenient it is to fix speedometer readings after installing larger tires.

You’ll find support for 2007-2026 Jeep Wranglers and Gladiators, including 4XE and 392 models. That’s broad coverage for a single tool.

Most buyers rate it 4.6 stars and say it handles these changes reliably. The wireless updates mean you won’t need new hardware for future vehicles.

App Experience: Clean, Simple, and Shareable

The ECRI app works on both iOS and Android, and you’ll use it to view past calibrations or write new ones. The interface is straightforward, with clear menus for each setting.

One standout feature is shareability across multiple vehicles. You can use the same device on your Jeep, a friend’s truck, or as a shop tool—each vehicle just needs its own unlock in the app.

The device remembers your vehicle even if someone else borrows it. That makes it practical for group off-road trips or small workshops.

Reviewers note that the app feels intuitive even for first-time users. You won’t need a manual to figure out tire size adjustments.

Build Quality and Value for Enthusiasts

ECRI is an American company run by enthusiasts, and that shows in the design. The module feels durable and fits snugly into the OBDII port without wobbling.

You get a 1-year manufacturer warranty for peace of mind. That’s standard for this class of tool, but reassuring for something you’ll use repeatedly.

Reviewers appreciate that it’s reusable and always up to date via wireless app updates. You’re not buying a disposable one-time programmer.

For weekend mechanics or serious off-roaders, this module replaces expensive dealer visits. The 4.6-star rating reflects strong satisfaction across a wide range of users.

Things to Consider Before You Buy

You’ll need the in-app purchase to write calibrations, so factor that into your planning. Viewing existing data is free, but actual changes cost extra.

Some reviewers mention a learning curve if you’ve never used a calibration tool before. However, the app’s clear labels and guides keep frustration low.

If you own a 2018+ Jeep, remember the Freedom Module requirement. It’s an added step but not a dealbreaker for most owners.

Overall, the ECRI Calibration Module delivers exactly what it promises. You’ll save time and money while customizing your Jeep’s performance.

Specification	Detail
Brand	ECRI
Model Number	ECRI-Module
Compatible Vehicles	2007-2026 Jeep Wrangler & Gladiator
Operating System	Android, iOS
Warranty	1 Year Manufacturer
Customer Rating	4.6 out of 5 stars