OBD2 Scanner Code Reader & Car Voltage Tester | OBDII-V100

Read & Clear Engine Fault Codes in Seconds

Take the guesswork out of car trouble with the OBDII-V100 OBD2 Scanner Diagnostic Code Reader. Whether your check engine light just came on or you want to monitor your vehicle's battery charging system, this compact and easy-to-use tool gives you instant answers — no mechanic visit required. Simply plug it into your car's OBD-II port and get real-time engine fault codes, voltage readings, and charging system diagnostics right at your fingertips.

Made in Mainland China.

Key Features

• Universal OBD-II Compatibility: Works with most petrol and diesel vehicles manufactured after 1996 that support the OBD-II/EOBD standard.
• Engine Fault Code Reader: Quickly reads and clears Diagnostic Trouble Codes (DTCs) to turn off your check engine light and identify the root cause of issues.
• Car Voltage Tester: Monitors your vehicle's battery voltage in real time so you can catch charging problems before they leave you stranded.
• Charging System Diagnostics: Tests the alternator and charging system to ensure your battery is being charged correctly while driving.
• Compact & Plug-and-Play: No batteries required — draws power directly from the OBD-II port. Simply plug in and start diagnosing.
• Communication Interface: OBD-II wired connection for fast and stable data transfer.
• No Wireless Required: Straightforward wired design — no Bluetooth or Wi-Fi setup needed.

Who Is This For?

This scanner is perfect for everyday drivers, car enthusiasts, and DIY mechanics who want a reliable and affordable tool to diagnose engine issues, monitor battery health, and avoid costly trips to the auto shop. It's an essential addition to any glove box or garage toolkit.

What's in the Box?

• 1 × OBDII-V100 OBD2 Scanner (Red)
• Note: Battery is NOT included (device is powered via OBD-II port)

Specifications

• Model: OBDII-V100 (Red)
• Communication Interface: OBD-II
• Wireless Function: None
• Battery: Not required (port-powered)
• High-Concern Chemicals: None
• Origin: Mainland China

Learn More About Vehicle Diagnostics

Understanding your vehicle's onboard diagnostics can save you time and money. Learn more about how OBD systems work from the U.S. Environmental Protection Agency (EPA) — On-Board Diagnostics.

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Frequently Asked Questions

Q: What vehicles are compatible with the OBDII-V100 OBD2 Scanner?

A: The OBDII-V100 is compatible with most petrol and diesel vehicles manufactured after 1996 that support the OBD-II or EOBD standard. This covers the vast majority of cars, SUVs, and light trucks sold in the US, Europe, and other major markets.

Q: Does the OBD2 Scanner require batteries to operate?

A: No batteries are required. The OBDII-V100 scanner draws its power directly from your vehicle's OBD-II diagnostic port, making it ready to use the moment you plug it in.

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

A: Yes! The OBDII-V100 can read and clear Diagnostic Trouble Codes (DTCs), which will turn off your check engine light once the underlying issue is addressed or the code is manually cleared.

Q: Does this tool test battery and charging system health?

A: Absolutely. In addition to reading engine fault codes, the OBDII-V100 functions as a car voltage tester and charging system diagnostic tool, allowing you to monitor your battery voltage and verify your alternator is charging correctly.