V316 OBD2 Scanner – Engine Code Reader & Battery Tester

V316 Multifunctional OBD2 Scanner – Real-Time Diagnostics at Your Fingertips

Stop guessing what that warning light means. The V316 OBD2 Scanner is a compact, plug-and-play automotive diagnostic tool that reads and clears engine fault codes, streams live vehicle data, and monitors your battery voltage — all in one affordable device. Whether you're a DIY mechanic or just want to stay on top of your car's health, the V316 gives you professional-level insight without the dealership price tag.

Key Features

• Universal OBD2 Compatibility: Works with all OBD2-compliant vehicles (most petrol/gasoline cars from 1996 onwards and diesel cars from 2004 onwards).
• Read & Clear DTCs: Instantly reads Diagnostic Trouble Codes (DTCs) and turns off the Check Engine Light (MIL) after resolving issues.
• Real-Time Data Streaming: Monitors live engine parameters including RPM, vehicle speed, coolant temperature, oxygen sensor data, fuel trim, and more.
• Battery Voltage Detection: Built-in battery voltage monitoring helps you catch charging system problems before they leave you stranded.
• I/M Readiness Check: Quickly verify your vehicle is ready for emissions testing — no more failed smog checks.
• Freeze Frame Data: Captures a snapshot of vehicle data at the exact moment a fault code is triggered, making diagnosis faster and more accurate.
• Compact & Plug-and-Play: Simply connect to the OBD2 port (usually under the dashboard) — no batteries required, powered directly by the vehicle.
• Clear LED Display: Easy-to-read screen displays codes and data even in bright sunlight.
• No Wireless Needed: Wired connection means reliable, interference-free diagnostics every time.

What's in the Box?

• 1x V316 OBD2 Code Reader/Scanner
• 1x User Manual

Technical Specifications

• Item Type: Code Reader & Scan Tool
• Wireless Support: No (wired OBD2 connection)
• Battery Included: No (powered via OBD2 port)
• Country of Origin: Made in Mainland China

Why Choose the V316?

Trips to the auto shop just to get a code read can cost $50–$100 or more. The V316 pays for itself after just one use. With its intuitive interface and comprehensive diagnostic capabilities, it's the perfect tool to keep in your glove box for peace of mind on every drive.

For more information on understanding vehicle diagnostic codes and emissions systems, visit the U.S. EPA's On-Board Diagnostics (OBD) resource page.

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Frequently Asked Questions

Q: What vehicles is the V316 OBD2 scanner compatible with?

A: The V316 is compatible with all OBD2-compliant vehicles, which includes most petrol/gasoline cars manufactured from 1996 onwards and diesel vehicles from 2004 onwards. It supports all five OBD2 protocols: CAN, ISO9141-2, KWP2000, J1850 VPW, and J1850 PWM.

Q: Does the V316 scanner require batteries or a separate power source?

A: No batteries are required. The V316 OBD2 scanner is powered directly through your vehicle's OBD2 diagnostic port, so it's always ready to use without worrying about charging or replacing batteries.

Q: Can the V316 turn off my Check Engine Light?

A: Yes. Once you have identified and addressed the underlying issue causing the fault code, the V316 can clear the Diagnostic Trouble Code (DTC) and turn off the Check Engine Light (MIL) on your dashboard.

Q: What is the battery voltage detection feature used for?

A: The built-in battery voltage detection allows you to monitor your car's battery and charging system health in real time. This helps you identify weak batteries or faulty alternators before they cause a breakdown.