OBD2 Car Diagnostic Tool – Code Reader & Battery Tester

Read & Reset Check Engine Light in Seconds

Take control of your car's health with the V100 OBD2 Car Engine Diagnostic Tool. Whether your check engine light just popped on or you want to stay ahead of costly repairs, this compact code reader gives you instant access to your vehicle's onboard diagnostics — no mechanic needed. It also doubles as a battery tester, so you can monitor your car's battery health right from the driver's seat.

Plug it into any OBD2-compatible vehicle (most cars and light trucks made after 1996), read the fault codes, understand what they mean, and clear them — all in minutes. Perfect for DIY car owners, mechanics, and anyone who wants to save money on unnecessary dealership visits.

Made in Mainland China.

Key Features

• 🔍 Read & Clear Fault Codes: Instantly retrieve diagnostic trouble codes (DTCs) and reset your check engine light with ease.
• 🔋 Battery Health Tester: Check your car battery's voltage and condition to avoid unexpected breakdowns.
• 🚗 Universal OBD2 Compatibility: Works with most gasoline and diesel vehicles manufactured from 1996 onwards with a standard OBD2 port.
• 📟 Easy-to-Read Display: Clear, user-friendly screen shows live data and fault code descriptions in plain language.
• ⚡ Plug & Play: No batteries required — powers directly from your vehicle's OBD2 port. No setup or software installation needed.
• 🛠️ Live Data Stream: View real-time engine parameters to help pinpoint issues quickly and accurately.
• 💼 Compact & Portable: Lightweight and easy to store in your glove box or toolkit for on-the-go diagnostics.
• 💰 Save on Repair Costs: Know exactly what's wrong before you visit a shop — avoid unnecessary repairs and overcharges.

What's in the Box

• 1 × V100 OBD2 Diagnostic Tool / Fault Code Reader
• 1 × User Manual

Compatibility

Compatible with most OBD2-standard vehicles including cars, SUVs, minivans, and light trucks. Supports all 5 OBD2 test modes. Works with most makes and models from 1996 and newer (US), 2001 and newer (EU gasoline), and 2004 and newer (EU diesel).

Learn More About Vehicle Diagnostics

Understanding your vehicle's diagnostic system can help you make smarter maintenance decisions. Learn more from the U.S. Environmental Protection Agency's guide to On-Board Diagnostics (OBD).

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Frequently Asked Questions

Q: What vehicles are compatible with the V100 OBD2 Diagnostic Tool?

A: The V100 OBD2 fault code reader is compatible with most gasoline and diesel vehicles manufactured from 1996 onwards that have a standard 16-pin OBD2 port. This includes the majority of cars, SUVs, minivans, and light trucks sold in the US, EU, and other markets. It supports all 5 standard OBD2 test modes.

Q: Do I need batteries or a power source to use this tool?

A: No external batteries are required. The V100 OBD2 scanner powers directly from your vehicle's OBD2 diagnostic port, making it completely plug-and-play with no setup needed.

Q: Can the V100 clear the check engine light after reading the codes?

A: Yes! The V100 OBD2 code reader can both read and clear diagnostic trouble codes (DTCs), which will turn off the check engine light. Please note that if the underlying issue is not repaired, the light may return after clearing.

Q: Does this tool also test my car battery?

A: Yes. In addition to engine diagnostics, the V100 includes a built-in battery tester function that allows you to check your vehicle's battery voltage and health, helping you avoid unexpected breakdowns due to a failing battery.

Q: Is this tool suitable for non-mechanics or first-time users?

A: Absolutely. The V100 is designed with an easy-to-read display that shows fault code descriptions in plain language. Simply plug it into your OBD2 port, follow the on-screen prompts, and get your results — no technical expertise required.