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Innova 3140g Review 2022[ABS, Bluetooth, Live Data Scan Tool]

If you’re looking to upgrade from a basic code reader to a more professional diagnostic scanner with additional features, then the Innova 3140g scan tool is a great tool to have. This Innova scanner was built for DIY enthusiasts, car owners, and beginner mechanics. The Innova 3140g is not a very basic scan tool, just like the Innova 3030 or Innova 3040e scanner. Read this Innova 3140g review to know more about this code reader.

Related: Innova 3160g Review [Innova 3160 Scan Tool Latest Version]

The Innova 3140g comes with a large LCD color screen, a multilingual menu, clearly labeled buttons, and a compact design. It has extensive vehicle coverage of OBD2 compliant and OBD1 compliant vehicles. Some of its functions include resetting the oil light, read and clear ABS, playback and graph real-time live data, read and clear check engine light, and much more.

Technical Features of the Innova 3140g Scan Tool


Innova 3140g

works:All 1996 and newer OBD2 (DLC) car, truck, SUV, or hybrid
Read & Erase Check Engine Light OBD1, OBD2 Trouble Codes:Yes
Freeze Frame:Yes
Battery Backup:Yes
ABS, SRS Codes:Yes
View Live Data:Yes
LED Lighted Connector:Yes
Charging System Test:Yes
Read and Record Live data:Yes
Batteries:3 AA batteries are required. (included)
Emissions Readiness:Yes
Service Light Reset:Yes
Live Data Graphing:Yes
Update Option:Free updates
Price:Innova 3140g ReviewCheck Today’s Price

Additionally, the Innova 3140g can be used to retrieve manufacturer-specific and generic codes. It has free lifetime software updates and comes with outstanding customer support.

Scanner Innova 3140g Review 2022

Code reader for OBD2 vehicles with OBD1 coverage

If you have an OBD1 compatible vehicle made from 1982 to 1995, this scan tool will be able to work with it. This includes vehicle brands such as Ford, Lexus, Honda, Chrysler, Toyota, etc. It is also compatible with OBD2 compliant vehicles manufactured from 1996 and newer. It can be a light truck, SUV, car, or even hybrid.

Related: Similar scanner – Innova 3150F Reviews [ ABS/SRS Code Reader]

Basic and advanced functions

With this scan tool, you will be able to diagnose, read, test, and erase error codes on your car. In addition, it is able to stream, record, playback, and graph real-time data. You can as well read and clear ABS lights and SRS airbag lights, read and clear check engine lights, reset oil light after an oil change, check emission readiness status, and initialize a battery.

Bluetooth functionality

Sharing and transferring info with clients, colleagues, or even fellow mechanics is made easy with Bluetooth connectivity.

Intuitive user interface

The device comes with a large colored screen where code definitions and functions are shown. This large screen makes reading and erasing error codes to be easy and fast. It is also convenient as one can use it in dark or poorly lit areas. Also, the clearly labeled buttons remove any confusion as even a beginner will have an easy time using the scanner. With the multilingual menu, this gadget can be used in any corner of the world.

Free lifetime online updates

This is a durable diagnostic scanner as it can be updated to have the latest software and bug fixes. So, no matter the types of vehicles that you deal with, you can update it to fix the different error codes. Thanks to the free lifetime updates offered by Innova.

Related: Technical specifications of the Innova 3120 diagnostic scan tool

Great customer support

In case of any issue with the scan tool, you can get in touch with the Innova support team and find answers to your problems. In addition, you should download the Innova repair solutions app to have quick solutions to various vehicle fixes.
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Summary: Why buy Innova 3140g code reader?

  • Outstanding vehicle coverage of OBD1 and OBD2 compliant vehicles
  • Bluetooth connectivity for easy sharing and transferring of data
  • Free lifetime software updates
  • Large LCD screen for easy use
  • It has a lighted USB cable that allows easy connection even in the dark
  • Performs various functions
  • Multilingual menu for convenient use by different people
  • Great customer support
  • Battery backup for off-car review analysis


  • The OBD1 protocol is compatible with a few cars, which make this feature to be somehow irrelevant
  • It is not compatible with all vehicles. Confirm with the manufacturer before purchasing


Although the Innova 3140g is a decent mid-range scan tool with lots of amazing features, it is still not the best professional diagnostic scanner on the market. But it’s great for DIYers, startup mechanics, and car shop owners. It will help in readiness emission status, viewing freeze frame data, perform battery reset, reset oil maintenance light, etc. With great customer support and free lifetime online updates, this is a gadget that you can rely on for a long while.


Question: Does this scanner function on a 2013 Toyota car model?
Answer: Yes, it does. The Innova 3140g scan tool functions on all OBD2 compatible vehicles manufactured from 1996 and newer. It is also compatible with OBD 1 vehicles manufactured from 1982 to 1985. So, if your car falls between this range, then it should function with it. And of the most recent car makes and models, you can update the gadget to function with them.

Question: Does the Innova 3140g work with GM OBD1 vehicles?
Answer: This is a good question as many users have had problems in the past. The Innova 3140g is supposed to work with any GM model manufactured from 1982 to 1995. But this is not the case, as some users have shown frustration after the device failing to work on their cars. Before buying this scanner, you should get in touch with Innova and find out if it functions with your car make and model or not.

Still, have a question after reading this Innova 3140g Review? Comment below for the answer.


  • I have a 1999 buick lesabre with a 3800 v6 engine. I connected my 3140g innova scan tool to read live data, but it could not do it. Is there a problem with my tool, or am I doing something wrong. I know I pressed the LD button with no luck. According to innova it will read live data on GM models.


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