OBD2 Scanner – Fault Code Reader with Live Data & Voltage Tester

Read, Diagnose & Clear Car Fault Codes in Seconds

Take the guesswork out of car trouble with this advanced OBD2 Scanner. Whether your check engine light just came on or you want to keep tabs on your vehicle's health, this all-in-one diagnostic tool puts professional-level insight right in your hands — no mechanic required. Simply plug into your car's OBD2 port, and within moments you'll have access to live engine data, fault codes, and battery voltage readings.

Key Features

• Engine Fault Code Reader: Instantly reads and clears Diagnostic Trouble Codes (DTCs) so you can understand exactly what's triggering your check engine light.
• Real-Time Data Stream: Monitor live engine parameters including RPM, coolant temperature, vehicle speed, oxygen sensor readings, and more.
• Voltage Tester: Check your vehicle's battery and charging system voltage to avoid unexpected breakdowns.
• Universal OBD2 Compatibility: Works with most petrol and diesel cars, SUVs, and light trucks manufactured after 1996 that are OBD2 compliant.
• Easy Plug-and-Play Operation: No batteries required — the scanner draws power directly from your car's OBD2 port. Simple menu navigation with a clear display.
• Freeze Frame Data: Captures engine conditions at the moment a fault code was triggered, helping you pinpoint intermittent issues.
• I/M Readiness Check: Quickly confirm whether your vehicle is ready for emissions testing.
• Compact & Durable Design: Lightweight, handheld form factor makes it easy to store in your glove box for whenever you need it.

What's in the Box

• 1 × OBD2 Diagnostic Scanner
• 1 × OBD2 Cable
• 1 × User Manual

Specifications

• Connection: Wired (OBD2 16-pin connector)
• Wireless Function: No
• Batteries Required: No (powered via OBD2 port)
• Compatible Protocols: CAN, ISO9141-2, KWP2000, SAE J1850 VPW/PWM
• Country of Origin: Made in Mainland China

Why Every Driver Needs an OBD2 Scanner

A trip to the mechanic just to read a fault code can cost $50–$100 or more. With this OBD2 scanner, you can diagnose issues yourself, decide whether a repair is urgent, and walk into a shop already informed — saving time, money, and stress. It's an essential tool for DIY mechanics and everyday drivers alike.

For more information on vehicle on-board diagnostics standards, visit the U.S. EPA On-Board Diagnostics (OBD) page.

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Frequently Asked Questions

Q: Is this OBD2 scanner compatible with my car?

A: This OBD2 scanner is compatible with most petrol and diesel vehicles, SUVs, and light trucks manufactured from 1996 onwards that support the OBD2 standard. This covers the vast majority of cars sold in the USA, Europe, and other regions that adopted OBD2 compliance. Check your vehicle's manual or look for the OBD2 port (usually under the dashboard on the driver's side) to confirm compatibility.

Q: Do I need any special knowledge to use this car diagnostic tool?

A: Not at all! The scanner features a straightforward plug-and-play design. Simply insert the OBD2 connector into your car's diagnostic port, turn on the ignition, and follow the on-screen menu. The included user manual walks you through every step, from reading fault codes to viewing real-time data streams.

Q: Can this OBD2 scanner turn off the check engine light?

A: Yes. Once you have read and understood the Diagnostic Trouble Codes (DTCs) causing the check engine light, you can use this scanner to clear those codes and reset the warning light. Note that if the underlying issue has not been fixed, the light may reappear after driving.

Q: Does the scanner require batteries or charging?

A: No batteries or charging are needed. The OBD2 scanner draws power directly from your vehicle's OBD2 diagnostic port, so it's always ready to use whenever you need it.