OBD2 Scanner V519 – Car Diagnostic Code Reader & Voltage Tester

Read & Clear Engine Fault Codes in Seconds – Meet the V519 OBD2 Scanner

Stop guessing what that check engine light means. The V519 OBD2 Diagnostic Scanner is a compact, plug-and-play tool that reads and clears engine fault codes, tests your car's battery voltage, and monitors charging system health — all from a single pocket-sized device. Compatible with virtually all petrol and diesel vehicles manufactured after 1996 that support the OBD2/EOBD standard.

Whether you're a seasoned mechanic or a weekend DIYer, the V519 gives you professional-grade diagnostic data without the professional price tag. Simply plug it into your car's OBD2 port, and within moments you'll have a clear picture of what's going on under the hood.

Key Features

• 🔍 Engine Fault Code Reader: Instantly reads and clears OBD2 Diagnostic Trouble Codes (DTCs) to turn off the check engine light.
• ⚡ Battery Voltage Tester: Real-time voltage display lets you monitor your battery's health and detect weak or failing batteries before they leave you stranded.
• 🔋 Charging System Monitor: Tests alternator output to ensure your vehicle's charging system is functioning properly.
• 🚗 Universal OBD2 Compatibility: Works with all OBD2-compliant vehicles (1996 and newer) — cars, trucks, SUVs, and vans.
• 🔌 Plug-and-Play Design: No batteries or downloads required. Just plug into the OBD2 port and get instant results.
• 💡 Compact & Portable: Slim, lightweight design fits easily in your glove box, tool bag, or pocket.
• 📟 Clear LED/Display Readout: Easy-to-read display shows fault codes and voltage data at a glance.
• 💰 Save on Repair Costs: Know exactly what's wrong before visiting a mechanic — avoid unnecessary repairs and inflated diagnostic fees.

What's in the Box?

• 1 × V519 OBD2 Diagnostic Scanner / Voltage Tester

Compatibility

Compatible with OBD2 / EOBD standard vehicles (1996+). Supports gasoline and diesel engines. Supports all 5 OBD2 communication protocols: KWP2000, ISO9141, J1850 PWM, J1850 VPW, and CAN.

How to Use

1. Locate your vehicle's OBD2 port (usually under the dashboard on the driver's side).
2. Plug the V519 scanner directly into the port — no additional cables needed.
3. Turn the ignition to the "ON" position (engine on or off).
4. Read the displayed fault codes or voltage reading instantly.
5. Use a code lookup guide or app to interpret the DTC and decide on next steps.
6. Clear codes once repairs are made to reset the check engine light.

Made in Mainland China.

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Learn More About OBD2 Diagnostics

For a deeper understanding of how on-board diagnostics work and what fault codes mean for your vehicle, visit the U.S. EPA's OBD Information Center.

Frequently Asked Questions

Q: What vehicles is the V519 OBD2 scanner compatible with?

A: The V519 OBD2 scanner is compatible with all OBD2-compliant vehicles manufactured in 1996 or later, including cars, trucks, SUVs, and vans running gasoline or diesel engines. It supports all five OBD2 communication protocols.

Q: Do I need to download an app or connect to my phone to use this scanner?

A: No app or smartphone is required. The V519 is a fully standalone plug-and-play device. Simply insert it into your OBD2 port and the results display directly on the built-in screen — no cables, downloads, or Bluetooth pairing needed.

Q: Can the V519 scanner clear the check engine light?

A: Yes. Once you've identified and addressed the underlying fault, the V519 can clear the stored Diagnostic Trouble Codes (DTCs), which will turn off the check engine light on your dashboard.

Q: What does the voltage tester function do?

A: The built-in voltage tester measures your car battery's real-time voltage and monitors your alternator's charging output. This helps you identify a weak battery or failing charging system before it causes a breakdown.

Q: Where is the OBD2 port located in my car?

A: In most vehicles, the OBD2 port is located beneath the dashboard on the driver's side, often near the steering column. It is a 16-pin trapezoid-shaped connector. Refer to your vehicle's owner manual if you have trouble locating it.