Innova 3120RS Review: 2025 Updated of 3120 Obd2 Scanner

Last Updated on April 24, 2025

The Innova 3120RS is the upgraded version of the original Innova 3120 diagnostic scanner. If you’re searching for the best Innova scan tool that balances ease of use, essential diagnostics, and wide vehicle coverage, the Innova 3120RS is a powerful and upgraded choice for 2025. The Innova 3120RS diagnostic scanner is a reliable and user-friendly scan tool designed for DIYers and beginner-level car repair professionals. With straightforward features and a clean interface, the 3120RS makes vehicle diagnostics simple—even for those with limited experience. While it shares several features with the Innova 3150F, the Innova 3120 stands out with its value-packed performance and ease of use. Read this Innova 3120 review or Innova 3120RS review to learn how it fits into your garage toolkit.

Related: Innova 3140 Scan Tool Reviews

If you need a scanner to read and erase error codes, reset the oil light and battery, view ABS codes, or check emissions readiness status, the Innova 3120RS is an excellent choice. This mid-level code reader supports both OBD1 and OBD2 vehicles and offers impressive functionality at a budget-friendly price point.

Technical Specifications of the Innova 3120 scanner

Feature	Innova 3120RS OBD2
Works on Vehicles	All 1996 & newer OBD2-compliant vehicles
Freeze Frame	✅ Yes
ABS Code Reading	✅ Yes
OBD1 & OBD2 Read/Clear	✅ Yes
Live Data	✅ Yes
Battery Backup	✅ Yes
DTC Severity Indicator	✅ Yes
Emissions Readiness	✅ Yes
FixAssist	✅ Yes
EVAP System Codes	✅ Yes
RepairSolutions2 App Support	✅ Yes
Battery & Alternator Test	✅ Yes
Internet Update	✅ Yes
Dimensions	2.5 x 15 x 10.5 inches
Weight	2 pounds
Price:	Check Price

Innova 3120RS Review 2025: A Versatile Scan Tool for OBD1 & OBD2 Vehicles

The updated 3120RS features a large color LCD screen that’s easy to read, even in low-light conditions. Its compact and ergonomic design makes it comfortable to hold and easy to store. With Bluetooth capability, internet updates, and a LED-lighted connector, it’s built to support quick diagnostics anytime, anywhere. If you’re evaluating scanners with OBD1 and OBD2 compatibility, this Innova 3120rs review highlights why it stands out for both beginners and small shop owners.

Wide Range of Functions

One of the most essential features of any OBD2 scanner is its ability to read and erase error codes—and the Innova 3120RS excels at this. As the 2025 upgraded version of the original 3120, it goes further by supporting oil maintenance reset, check engine and ABS diagnostics, battery reset, and retrieval of diagnostic trouble codes. It’s compatible with popular vehicle brands like Ford, GM, Toyota, Chrysler, Lexus, and Honda.

Extensive Vehicle Coverage

Whether you’re a DIYer or a technician in a small repair shop, this scanner offers great flexibility. The Innova 3120RS supports both OBD1 and OBD2 vehicles. It covers most OBD1 vehicles made between 1982 and 1995, and nearly all 1996 and newer OBD2-compliant cars, SUVs, hybrids, and light trucks. This wide coverage makes it an excellent all-in-one diagnostic tool.

Related: Technical Specifications of the Innova 3160RS Scan Tool(Latest Model)

Bluetooth Connectivity

Sharing or saving diagnostic data has never been easier. The 3120RS supports Bluetooth connectivity, allowing you to transfer data seamlessly to your PC or mobile device. You can easily share reports with clients or colleagues on the go.

Free Lifetime Software Updates

You don’t have to worry about outdated features or buying a new scanner. With free lifetime online updates, you can always stay up to date with the latest fixes and features. Simply connect the 3120RS to a computer with internet access and download updates from Innova’s website.
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Large LCD Color Screen

The upgraded 3120RS scanner features a bright, full-color LCD screen that’s easy to read in both bright sunlight and dim conditions. Whether you’re checking codes or performing real-time diagnostics, the display ensures you don’t miss a thing.

Related: Innova 3100RS Review [Budget diagnostic code reader]

Repair Solutions App & ASE-Certified Support

No more guessing what a code means. With Innova’s RepairSolutions2 app, you’ll get verified fixes, estimated repair costs, and step-by-step repair instructions. Plus, if you need help, ASE-certified support technicians are available in both English and Spanish to assist you.

Summary: Why Buy the Innova 3120RS Code Reader?

The Innova 3120RS is a dependable and feature-rich diagnostic scanner ideal for DIYers and beginner shop owners. This upgraded 2025 version includes many improvements over the older Innova 3120 model, making it more capable, especially for entry-level professionals.

Top Reasons to Choose the Innova 3120RS:

• ✅ Broad vehicle compatibility: Supports both OBD1 (1982–1995) and OBD2 (1996+) vehicles
• ✅ Large color TFT screen for easy code viewing and data interpretation
• ✅ Reset oil maintenance light and check engine codes with ease
• ✅ Battery reset and alternator test support
• ✅ Bluetooth functionality for wireless data transfer
• ✅ Free lifetime software updates over the internet

Cons to Consider:

• ❌ Limited advanced features like ECU programming or active bidirectional control
• ❌ Screen size is sufficient but smaller than high-end tablets
• ❌ While Bluetooth is supported, it still requires a cable for scanning—not fully wireless

Comparison: Innova 3120RS vs Innova 3160RS

Feature	Innova 3120RS	Innova 3160RS
Check Engine Diagnostics	✅	✅
Emissions/Smog Check	✅	✅
ABS Brake Codes	✅	✅
Live Data Stream	✅	✅
Battery/Charging System Test	✅	✅
SRS Airbag Codes	✅	❌
Oil Light Reset	✅	❌
All System Network Scan	✅	❌
Battery Management System (BMS)	✅	❌
ABS Brake Bleeding & EPB	✅	❌
TPMS/Tire Pressure Reading	✅	❌
Transmission Temperature	✅	❌
OEM Live Data	✅	❌
Bi-Directional System Test	✅	❌
Special Functions & Calibrations	✅	❌
OBD1 Compatibility	✅	❌
RepairSolutions2 App	✅	✅
Bluetooth Connectivity	✅	✅
Display	Color Display	Not Specified
Connection Type	Wired	Wireless
Price:	Check Today’s Price on Amazon

Conclusion

If you’re seeking a reliable, updated diagnostic tool for your garage or home use, the Innova 3120RS offers outstanding value. It supports both OBD1 and OBD2 vehicles, reads and clears trouble codes, performs battery resets, offers ABS and SRS diagnostics, and is fully compatible with the RepairSolutions2 app.

With added features like Bluetooth connectivity, lifetime software updates, and coverage for both older and newer vehicles, the Innova 3120RS is a smart investment for anyone who wants to tackle most diagnostic needs without stepping up to a full-blown shop-grade scanner. Overall, this Innova 3120 review confirms it as a practical and affordable choice for anyone needing reliable diagnostics and essential reset functions.

FAQs

Q: Does the Innova 3120RS scan tool come with a warranty?
A: Yes, Innova provides a 1-year limited warranty covering defects in materials or workmanship. If the unit is faulty, it will be repaired or replaced at no cost within the warranty period.

Q: Is the Innova 3120RS compatible with OBD1 vehicles?
A: Absolutely. The scanner works with most OBD1 vehicles made between 1982 and 1995, as well as OBD2-compliant cars made from 1996 onwards. Popular supported brands include Ford, GM, Toyota, Honda, Lexus, and Chrysler.

Q: Can I use the Innova 3120RS to reset the oil light and battery maintenance light?
A: Yes, this device supports both oil light reset and battery maintenance reset functions, making it useful for routine maintenance tasks.

Q: Is the Innova 3120RS compatible with the RepairSolutions2 app?
A: Yes, it fully supports the RepairSolutions2 app, which provides verified fixes, repair cost estimates, step-by-step guides, and live data reports.

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