FOXWELL NT301 Plus NT604
Introducing the FOXWELL NT301 Plus + NT604 OBD2 Scanner Code Reader with Battery Tester, your all-in-one solution for vehicle diagnostics and battery health monitoring.
This 2024 upgraded tool combines a comprehensive OBDII/EOBD troubleshooting scanner with a 12V battery tester, offering a full suite of diagnostic capabilities that help you pass emissions checks and identify battery issues before they become serious problems.
With features like one-click I/M readiness, colorful LED indicators, and live data streaming, this scanner is designed to provide both professional technicians and DIY enthusiasts with an easy, affordable way to keep their vehicles in top-notch condition.
Whether you’re checking for engine codes or performing a battery health test, the FOXWELL NT301 Plus + NT604 is a reliable companion that saves you time and money by pinpointing issues and helping you perform your own repairs.
Looking for a Reliable Diagnostic Tool for Your Car?
Welcome to the world of top-notch automotive diagnostics with the FOXWELL NT301 Plus + NT604 OBD2 Scanner Code Reader with Battery Tester Diagnostic Code Reader Tool for Check Engine Light.
If you’re someone who enjoys working on cars or simply wants to understand more about your vehicle’s health, you’re in the right place. Let’s dive into what this product can do for you and why it’s a fantastic addition to your toolbox.
2024 Upgraded NT301: Your Latest Enhanced Vehicle Doctor
The FOXWELL NT301 Plus isn’t just your average OBD2 scanner.
Thanks to its 2024 upgrade, this tool now functions as a comprehensive vehicle doctor.
It not only provides full OBDII/EOBD troubleshooting but also includes a 12V battery tester. This scanner covers more ground, offering features that you won’t easily find in other code readers.
What This Means for You:
- Full OBDII/EOBD Troubleshooting: Get in-depth diagnostic codes to understand exactly what’s happening under the hood.
- One-Click I/M Readiness: Easily determine if your vehicle is ready to pass a s-m-o-g check.
- 12V Battery Tester: Check the health and efficiency of your battery, avoiding unnecessary replacements.
Identifying Failing Batteries Made Easy

Additional Functions That Make Life Simpler
What sets this product apart is its focus on battery diagnostics. There are four main tests you can perform, each crucial for maintaining your car’s battery health.
- Battery Health Test
- Determine if your battery needs to be recharged or replaced, helping you avoid unnecessary strain on the battery.
- Charging System Test
- Evaluate the generator, rectifier diode, and the charging current to determine the efficiency of your charging system.
- Read Battery Voltage
- Discover any faults or bad cells that may indicate an imminent battery failure.
- Starting (Cranking) System Test
- Assess the condition of your starter motor to ensure reliable starting every time.
The Importance of One-Click I/M Readiness
The One-Click I/M feature is already a favorite among car enthusiasts and professionals alike. In a world where emissions testing is becoming more stringent, it’s crucial to know if your vehicle passes the necessary inspections.
Why You’ll Love It:
- Colored LED Lights & Built-in Beeper: Visual and audible reminders make it easier to track emission checks and Diagnostic Trouble Codes (DTCs).
- Pass Vehicle S-m-o-g Inspection: Ensure your car is compliant with emission standards, helping you avoid fines and ensure a smooth ride.

2 in 1 Diagnostic Scanner: A Comprehensive Tool
Compared to more basic code readers costing between $50-100, the NT604 Elite diagnostic tool has a plethora of features that go beyond an average OBDII device.
Breakdown of Functions:
| Feature | Basic Code Readers (50-100 USD) | FOXWELL NT301 Plus + NT604 |
|---|---|---|
| OBDII Diagnosis | Yes | Yes |
| ABS/SRS Scanner | No | Yes |
| Transmission Codes | No | Yes |
| Check Engine Code | Yes | Yes |
| Live Data Stream | Basic Text Only | Real-Time Data in Text and Graph |
Real-Time Data for Better Diagnostics
When using the NT604 as an OBD2 scanner, you get access to real-time data. This feature lets you see vital information such as engine speed, coolant temperature, and RPMs. All this information is presented in both text and graphical formats, making it easier to understand what’s going on.

Affordable Yet Reliable Car Health Monitor
Many people feel a sense of dread when any warning light comes on their dashboard—be it ABS, SRS, transmission, or check engine lights. Instead of rushing to a dealership, you can use the FOXWELL scanner to diagnose and understand the problem immediately.
How It Saves You Time and Money:
- Detailed Scanning: Identify issues quickly, reducing the need for an expensive diagnostic visit.
- Problem Pinpointing: Know where the fault lies, making any necessary repairs more straightforward.
- Turn Off Warning Lights: Reset the dashboard lights once the issue is resolved, keeping your car’s systems running smoothly.
Easy to Use Even for Beginners
What makes this tool suitable for both professionals and DIY users is its user-friendly design. With a straightforward interface and easy-to-follow instructions, you won’t find yourself scratching your head trying to figure out how to operate it.

Summary of Key Features
Here’s a table that encapsulates everything we’ve discussed, offering a clear picture of the FOXWELL NT301 Plus + NT604’s capabilities.
| Feature | Benefit |
|---|---|
| Full OBDII/EOBD Troubleshooting | Diagnose operation issues under the hood |
| One-Click I/M Readiness | Quickly check for emission readiness |
| 12V Battery Analyzer | Assess battery health efficiently |
| Battery Health Test | Avoid unnecessary battery recharges and replacements |
| Charging System Test | Ensure your car’s charging system is operating optimally |
| Read Battery Voltage | Detect faulty or bad cells in the battery |
| Starting (Cranking) System Test | Evaluate the starter motor’s condition |
| ABS/SRS Scanner | Diagnostic capabilities for ABS and SRS systems |
| Transmission Code Reader | Pinpoint issues with the transmission system |
| Live Data Stream | Real-time data in text and graph for better understanding |
Customer Testimonials
Imagine you just performed a diagnostic test on your car and solved a long-standing battery issue all by yourself.
It’s almost like having a professional mechanic on hand whenever you need one. Don’t just take our word for it; many satisfied users swear by the NT301 Plus + NT604 for its reliability and ease of use.

Wrapping It Up
Giving your car the care it deserves has never been easier with the FOXWELL NT301 Plus + NT604 OBD2 Scanner Code Reader with Battery Tester Diagnostic Code Reader Tool for Check Engine Light.
This 2-in-1 tool is not only affordable but incredibly reliable, offering comprehensive diagnostic tests that can save you both time and money.
By now, you should be excited about adding this fantastic tool to your car care arsenal. So why wait? Get your FOXWELL NT301 Plus + NT604 and start diagnosing like a pro today!













