OBD2 Scanner – Engine Fault Code Reader & Voltage Tester

Read & Clear Engine Codes Instantly – No Mechanic Needed

Take control of your vehicle's health with this all-in-one OBD2 diagnostic scanner and fault code reader. Whether your check engine light just came on or you want to monitor your car's charging voltage before a long trip, this compact tool gives you real-time answers right at your fingertips. Compatible with all OBD2/EOBD/CAN-protocol vehicles, it's the affordable solution every driver should keep in their glove box.

Made in Mainland China.

Key Features

• Read & Clear DTCs: Instantly retrieve and erase Diagnostic Trouble Codes (DTCs) to turn off the check engine light.
• Live Data Stream: View real-time engine sensor data to monitor vehicle performance on the go.
• Battery & Charging Voltage Tester: Check your car's battery voltage and charging system health directly from the OBD2 port — no extra tools needed.
• EOBD + CAN Support: Broad compatibility with European OBD (EOBD) and Controller Area Network (CAN) bus protocols covering most cars made after 1996.
• Plug & Play: No batteries or apps required — simply plug into your vehicle's OBD2 port and get results in seconds.
• Freeze Frame Data: Captures a snapshot of engine conditions at the moment a fault code was triggered, helping you diagnose intermittent issues.
• I/M Readiness: Check emissions readiness status before heading to your next smog or emissions test.
• Compact & Portable: Lightweight design fits easily in a glove compartment, tool bag, or emergency kit.

Compatibility

Works with all OBD2-compliant gasoline and diesel vehicles (most cars, trucks, and SUVs manufactured from 1996 onwards in the US, and 2001+ in Europe). Supports all 5 OBD2 test modes including CAN, ISO, PWM, VPW, and KWP2000.

What's in the Box?

• 1 × OBD2 Diagnostic Scanner / Code Reader
• 1 × User Manual

Specifications

• Item Type: Code Reader & Scan Tool
• Protocols Supported: OBD2, EOBD, CAN
• Wireless Function: No (wired OBD2 connection)
• Battery Included: No (powered via OBD2 port)
• Origin: Mainland China

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Learn More About OBD2 Diagnostics

For more information on how OBD2 systems work and what fault codes mean for your vehicle, visit the U.S. EPA's On-Board Diagnostics (OBD) overview.

Frequently Asked Questions

Q: Is this OBD2 scanner compatible with my car?

A: This OBD2 code reader is compatible with all vehicles that support the OBD2 standard — generally all gasoline-powered cars and light trucks sold in the United States from 1996 onwards, and most European vehicles from 2001 onwards. It supports all major OBD2 protocols including CAN, ISO9141-2, KWP2000, SAE J1850 PWM, and VPW.

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

A: No — this is a fully standalone wired OBD2 scanner. Simply plug it directly into your vehicle's OBD2 diagnostic port (usually located under the dashboard on the driver's side) and it powers on automatically. No phone, app, Bluetooth, or Wi-Fi required.

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

A: Yes. After reading and reviewing the Diagnostic Trouble Codes (DTCs), you can use this scanner to clear the codes and turn off the check engine light. Note that if the underlying issue is not repaired, the light may return.

Q: What does the battery/charging voltage tester function do?

A: The built-in voltage tester reads your vehicle's battery voltage and checks the health of your charging system through the OBD2 port. This helps you identify a weak battery or failing alternator before they leave you stranded.