OBD2 Scanner Car Diagnostic Tool & Voltage Tester Y100

Read Engine Fault Codes & Check Your Car's Voltage Instantly

The Y100 OBD2 Scanner & Car Diagnostic Tool is your all-in-one solution for reading and clearing engine fault codes, monitoring vehicle battery voltage, and testing charging system health — all without a trip to the mechanic. Simply plug it into your car's OBD2 port and get real-time diagnostic data in seconds. Compatible with most petrol and diesel vehicles manufactured after 1996 that support the OBD2 standard.

Made in Mainland China.

Key Features

• Engine Fault Code Reader: Instantly reads and clears Diagnostic Trouble Codes (DTCs) to turn off that pesky check engine light.
• Live Battery Voltage Testing: Monitor your car's battery voltage in real time to catch charging issues before they leave you stranded.
• Charging System Tester: Checks alternator output to ensure your charging system is performing correctly.
• Universal OBD2 Compatibility: Works with all OBD2-compliant vehicles (1996 and newer), including cars, SUVs, and light trucks.
• Plug-and-Play Design: No batteries required — draws power directly from your vehicle's OBD2 port for immediate use.
• Compact & Portable: Lightweight and easy to store in your glove box for on-the-go diagnostics anytime, anywhere.
• No Wireless Required: Wired connection means fast, reliable data with zero pairing or app setup needed.

Who Is This For?

Whether you're a DIY home mechanic, a car enthusiast, or simply someone who wants to stay informed about their vehicle's health, the Y100 Diagnostic Tool gives you the power to identify problems early and save money on unnecessary shop visits. It's also a great addition to your roadside emergency kit.

What's in the Box?

• 1x Y100 OBD2 Scanner / Diagnostic Tool

Note: No batteries are included or required. The device is powered via the OBD2 port.

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For more information on how OBD2 systems work and what fault codes mean, visit the National Highway Traffic Safety Administration (NHTSA) or learn about vehicle emissions diagnostics at the EPA's OBD Resource Page.

Frequently Asked Questions

Q: What vehicles are compatible with the Y100 OBD2 Scanner Diagnostic Tool?

A: The Y100 OBD2 scanner is compatible with all OBD2-compliant vehicles, which includes most cars, SUVs, and light trucks manufactured in 1996 or later. It supports petrol and diesel engines that use the standard OBD2 diagnostic port (typically located under the dashboard on the driver's side).

Q: Do I need to download an app or connect to WiFi to use this OBD2 code reader?

A: No. The Y100 is a standalone wired diagnostic tool — no wireless connection, Bluetooth, or app is required. Simply plug it into your vehicle's OBD2 port and it powers on immediately, displaying fault codes and voltage data directly on the device.

Q: Can the Y100 scanner clear the check engine light?

A: Yes! The Y100 OBD2 scanner can both read and clear Diagnostic Trouble Codes (DTCs), which will turn off the check engine warning light once the underlying issue is resolved or cleared from the system.

Q: What does the battery voltage tester feature do?

A: The built-in car voltage tester monitors your vehicle's battery and charging system in real time. It checks the battery's current voltage level and tests whether the alternator is charging correctly — helping you catch electrical issues before they cause a breakdown.

Q: Does the Y100 require batteries or any external power source?

A: No batteries are needed. The Y100 draws all its power directly from your car's OBD2 diagnostic port, so it's ready to use the moment you plug it in.