Innova 3020RS Review 2023: Why This OBD2 Diagnostic Tool is Worth the Buy?

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The Innova 3020RS OBD2 diagnostic tool is one of the most popular on the market. But, what makes it so unique? What are its features and benefits? And, how does Innova stack up against competitors like Actron or Autel? 

You may be asking yourself these questions as you look for a new diagnostic tool for your car. Let's take a closer look at this device to see why it might be worth buying!


Innova 3020RS


Cars built after 1996, including hybrids, the Innova 3020RS can also scan a wide range of vehicles, including SUVs and light trucks.

OBDII Protocol

SAE J1850 PWM, SAE J1850 VPW, ISO9141-2, ISO14230-4 (KWP2000)


9 x 5.2 x 0.8 inches

Operating Voltage

12 Volts


English and Spanish


Innova 3020RS
Innova 3020RS


  • Offers precise readings
  • The screen displays up to 25 readings at once
  • Refreshes data on screen every 30 seconds
  • Tracks emissions
  • Quick and agile customer service


  • Unable to connect to a computer through a USB
  • Can only diagnose engine warning light

Features and Benefits


On the market, there are many options for OBD2 scanners for novices. The Innova 3020RS Scan tool is one of these scanners. This is a thorough examination of this scanner. All fault codes that cause the check engine light to illuminate are read and erased by the 3020. 

Most Ford, GM, Toyota, and Honda automobiles can also analyze and delete ABS (Anti-lock Braking System) codes. Every 30 seconds, it automatically refreshes the data, helping you identify the problems that have been resolved and those that require attention during the repair procedure. 

This scanner can provide you with emission data (smog test), O2 monitor test, and engine trouble codes, among other things. The Innova 3020RS's plug-and-play capability makes it an ideal scanner for finding flaws. As soon as you connect it to the automobile, it will begin to display scan results.


This scanner includes a proprietary screen that can display up to 25 pieces of data at once. In addition, the red, yellow, and green LEDs that have been installed serve as indicators for emission data (color coding).

There are no difficulties noticed when the green light turns on. When possible faults are recognized, the yellow LED will flicker. When the red LED on the scanner blinks, your car's engine has troubles and needs to be repaired right away.


This scanner is a straightforward gadget to use because of its user-friendly UI. Aside from that, it comes with a user handbook that contains all of the necessary information.

Innova's website includes a complete list of Generic, Manufacturer Specific Powertrain, SRS, and ABS codes for deciphering diagnostic trouble codes (DTC). The Innova 3020RS is very easy to use, thanks to these resources. It's geared toward do-it-yourself first-timers.

Dimensions and structure

The Innova 3020RS is one of the smallest scanners available today, weighing 1.6 ounces and measuring 9 x 5.2 x 0.8 inches in size. It does not necessitate a lot of storage space. The glove box, toolbox, or driver's compartment will suffice.

It's also ergonomically designed, with a smooth secondary cover made of high-grade plastic. You can tell it's meant to last when you touch it. It also has a good appearance.


Customers who purchase the 3020 diagnostic code reader or scan tool will receive assistance in both English and Spanish from Innova. You can contact them either online or in person at their offices in Irvine, California.

Innova also works with the ASE technical repair team to give repair services to any 3020 buyers that need them. In addition, your product is covered by a one-year warranty. This level of quality assurance is what encourages car owners to purchase this scanner.


It is primarily compatible with automobiles manufactured or marketed in the United States and Canada. If you brought your car in from somewhere else, it's possible the equipment can’t scan it. The Innova 3020RS only works with OBD2 autos, so if yours were built before 1995, it wouldn't help.


The Innova 3020RS isn't the most technologically advanced scanner on the market. It lacks a freeze-frame display, an internal battery, and the ability to connect to a computer.

Services are available immediately

The device has a quick processing speed. It only takes 5 seconds to start up. Every 30 seconds, the gadget likewise refreshes the results.

This means that a thorough diagnostics scan takes only 30 seconds. Data from your vehicle is displayed on the screen in real-time. This information includes both the detection and definition of error codes.

The gadget also contains several pin connection points that provide instant services to the user. All of these services are designed to save the user time and money.

All-in-one display

The Innova 3020RS includes a unique screen that displays all of the data you need while on the road. This Innova screen can say at least 25 bits of critical information at once. It provides you with all of the information you require about your vehicle at a glance, allowing you to save time.

Monitored vehicle status

The Innova 3020RS continuously checks two significant features of your car. The first is the status of the error code. Second, the Innova 3020RS keeps track of your vehicle's emissions. Three LEDs in the colors green, yellow, and red keep track of these details:

  • A green light indicates that there are no error codes.
  • There are pending error codes shown by the yellow light.
  • The red light signifies a permanent error code that necessitates a mechanic's attention. This error code could indicate a problem with your vehicle's emissions system.

Vehicle scanner

The Innova 3020RS is primarily an OBD2 scanner. As a result, it does complete car diagnostics scans and generates fault reports. This tool performs a scan to determine what is causing the engine check warning light to illuminate. It then sends the user a report on why the MIL is turned on.

This report is delivered in a code the user must look up in the DTC library. After receiving the diagnostics report, the user will pinpoint the exact problem with the vehicle and estimate when repairs will be needed.

Scans and Clears Error Codes

The Innova 3020RS's main job is to scan for error codes. Temporary error codes are those that the device can quickly clear. A yellow light indicates their presence and clearing the persistent error codes is only possible after the problem has been resolved. Error codes are cleared to make the car perform more smoothly.

Why should you buy the Innova 3020RS?

The Innova 3020RS is designed for novice DIYer. Its low price, useful features, and easy-to-use interface make it ideal for beginners and non-mechanical automobile owners.

It's ideal for evaluating your car regularly or before a road trip. It will also assist you in identifying potential issues that are causing the check engine light to illuminate. You don't even need any automobile repair skills to complete it!

Innova 3020RS OBD2 Diagnostic Tool FAQs

1. Is Innova capable of deciphering codes?

The scan instruments made by Innova are among the best on the market today. The company produces various models, ranging from low-cost models to high-end models that cost thousands of dollars. Some are compatible with OBD1 vehicles, while others are only compatible with OBD2 cars. It has code scanners for both OBD1 and OBD2.

2. Is it possible to upgrade Innova scanners?

ABS + SRS feature upgrade for existing Innova 3120b, 3130b, and 3140b OBD Diagnostic Tools is now available for Chrysler, Ford, GM, Honda, and Toyota vehicles. This upgrade is available for $99.99 to existing owners of an Innova 3120b, 3130b, or 3140b OBD Diagnostic Tool.

3. Is Innova's software updated for free?

Yes, the existing Innova® PRO models 31603 and 31703 can be upgraded for free!

4. What is Innova OBD PC Link, and how does it work?

From code to a solution, Innova OBD PC-Link gives you total vehicle diagnostics. It's one thing to figure out why your check engine light is on. Innova OBD PC Link makes use of an extensive knowledge database that was previously only available to expert technicians.

5. Is Bluetooth available in the Innova?

Innova has audio and calls controls positioned on the power steering wheel to help with this. On the other hand, Bluetooth is only available in the most expensive models of this massive SUV. The stereo system has a CD/MP3 player, FM radio, and USB and Aux-in inputs.


The Innova 3020RS OBD2 diagnostic scanner is an excellent tool to have in your toolkit. It will help you in diagnosing your vehicle, something a shop may charge you exorbitantly for. You may always arrange for the necessary repairs once you know what's wrong. 

The benefits of this device will only be appreciated by those who have had to deal with persistent check engine lights or fault codes.  We hope that our review has helped you in determining which choice is best for your needs and budget.