OBD2 Scanner Diagnostic Tool | Engine Code Reader & Voltage Tester

Diagnose Your Car Like a Pro — Instantly

Stop guessing what that warning light means. The OBD2 Scanner Diagnostic Tool 318 is an all-in-one car health monitor that reads and clears engine fault codes, tests your battery voltage, and checks your charging system — all from a single compact device. Whether you're a seasoned mechanic or a first-time car owner, this tool gives you the power to identify problems before they become expensive repairs.

Made in Mainland China.

Key Features

• 🔍 Read & Clear Engine Fault Codes (DTCs): Instantly reads OBD2 diagnostic trouble codes and clears the check engine light on most petrol and diesel vehicles (1996 and newer).
• ⚡ Battery Voltage Tester: Accurately measures your car's battery voltage to detect weak or failing batteries before you get stranded.
• 🔋 Charging System Test: Checks whether your alternator is charging the battery correctly, helping you avoid unexpected breakdowns.
• 🚗 Wide Vehicle Compatibility: Works with all OBD2-compliant vehicles — cars, trucks, SUVs, and light-duty vans (1996+).
• 🖥️ Easy-to-Read Display: Clear on-screen readouts make it simple to understand results without needing a laptop or smartphone.
• 🔌 Plug-and-Play Design: Simply plug into your car's OBD2 port (usually located under the dashboard) and get results in seconds — no technical expertise required.
• 💼 Compact & Portable: Lightweight and easy to carry in your glove box, toolbox, or garage.
• 🚫 No Batteries Required: Powered directly through the OBD2 port — always ready when you need it.

What's in the Box?

• 1 × OBD2 Scanner Diagnostic Tool (Model 318)

Specifications

• Protocol Support: OBD2 / EOBD compliant
• Wireless: No (wired OBD2 connection)
• Batteries Included: No (bus-powered via OBD2 port)
• Origin: Mainland China

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Expert Resource

Want to learn more about vehicle diagnostics and how OBD systems work? Visit the U.S. EPA's On-Board Diagnostics (OBD) information page for authoritative guidance on emissions-related diagnostics and OBD2 standards.

Frequently Asked Questions

Q: Which vehicles are compatible with this OBD2 scanner diagnostic tool?

A: This OBD2 scanner is compatible with all OBD2-compliant vehicles, which includes most petrol and diesel cars, trucks, SUVs, and light vans manufactured from 1996 onwards in the US, EU, and many other markets. Simply check that your vehicle has an OBD2 port (typically found under the dashboard on the driver's side).

Q: Can this tool clear the check engine light?

A: Yes! The OBD2 Scanner Diagnostic Tool 318 can both read and clear diagnostic trouble codes (DTCs), which will turn off the check engine light once the underlying issue has been addressed. This saves you a costly trip to the mechanic just to reset a warning light.

Q: Do I need a phone or laptop to use this OBD2 code reader?

A: No. This is a standalone device with its own built-in display. Simply plug it into your car's OBD2 port and read the results directly on the screen — no app, Bluetooth, or Wi-Fi connection is needed.

Q: What does the voltage and charging tester function do?

A: The built-in voltage tester measures your car battery's current voltage level, helping you identify whether your battery is healthy, weak, or failing. The charging system test checks whether your alternator is properly recharging the battery while the engine runs, giving you a complete picture of your vehicle's electrical health.