OBD2 Scanner Diagnostic Tool | Engine Code Reader & Voltage Tester

Read & Clear Engine Fault Codes in Seconds

Take control of your car's health with this all-in-one OBD2 Scanner Diagnostic Tool. Whether your check engine light just came on or you want to stay ahead of costly repairs, this compact code reader plugs directly into your car's OBD2 port and delivers instant, accurate diagnostics — no mechanic needed. It also doubles as a battery voltage tester and charging system monitor, making it a must-have tool for every driver.

Made in Mainland China.

Key Features

• Engine Fault Code Reader: Reads and clears DTCs (Diagnostic Trouble Codes) to turn off the check engine light fast
• Battery Voltage Tester: Monitors your car's battery and charging system voltage in real time
• Charging System Diagnostics: Checks alternator output and charging status to prevent unexpected breakdowns
• Universal OBD2 Compatibility: Works with most 1996 and newer OBD2-compliant vehicles — cars, SUVs, and light trucks
• Easy Plug-and-Play Use: No batteries required; powered directly via the OBD2 port
• Compact & Portable: Lightweight design fits in your glove box or tool bag for on-the-go diagnostics
• Clear LCD Display: Easy-to-read screen shows live data and fault codes clearly
• Cost-Saving: Avoid expensive dealership scan fees by diagnosing issues yourself at home

What's in the Box?

• 1 x OBD2 Scanner Diagnostic Tool (V119)
• Tool Box / Bag included

Specifications

• Battery: Not required (powered via OBD2 port)
• Compatibility: OBD2 / EOBD compliant vehicles (1996+)
• Functions: Engine code reading/clearing, battery voltage testing, charging system check
• Kit Includes: Tool Box/Bag
• Country of Origin: Mainland China

Why Every Driver Needs an OBD2 Scanner

Modern vehicles generate hundreds of diagnostic codes that can help you identify problems before they become expensive repairs. Having your own OBD2 scanner means you never have to pay a shop just to find out what's wrong. Learn more about how onboard diagnostics work at EPA's On-Board Diagnostics (OBD) resource.

Pair this tool with other automotive essentials from our store. Check out our OBD2 Diagnostic Tools or browse our bestselling accessories. You may also find our travel organizers handy for keeping your car kit tidy.

Frequently Asked Questions

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

A: This OBD2 scanner is compatible with most gasoline and diesel vehicles manufactured from 1996 onward that are OBD2 or EOBD compliant. This includes the majority of cars, SUVs, and light trucks sold in the US, Canada, and Europe. It does not require a separate battery — it draws power directly from the vehicle's OBD2 port.

Q: Can this tool turn off the check engine light?

A: Yes! This engine fault code scanner can both read and clear Diagnostic Trouble Codes (DTCs), which will turn off the check engine light once the underlying issue has been addressed. It provides code definitions so you understand exactly what triggered the warning.

Q: How does the battery voltage tester function work?

A: The built-in battery voltage tester monitors your car's 12V battery and charging system in real time. It displays the current voltage so you can quickly identify a weak battery, a failing alternator, or charging system issues — helping you avoid unexpected breakdowns.

Q: Do I need any special skills to use this OBD2 code reader?

A: No special skills are needed. Simply locate your vehicle's OBD2 port (usually under the dashboard on the driver's side), plug in the scanner, and follow the on-screen prompts. The clear LCD display makes it easy for beginners and experienced DIYers alike.

Q: Is this OBD2 scanner compatible with both iOS and Android smartphones?

A: This model (V119) is a standalone handheld scanner with its own LCD display and does not require a smartphone app or Bluetooth/WiFi connection. It works independently, making it simple and reliable for quick diagnostics anywhere.