V420 OBD2 Diagnostic Scanner – Read & Clear Codes Instantly Take control of your vehicle's health with the V420 OBD2 Diagnostic Scanner. Plug it directly into any OBDII/EOBD-compliant vehicle made after 1996 and get instant access to fault codes, live data streams, I/M readiness status, vehicle information, and battery voltage — all without needing a separate battery. Whether you're a seasoned mechanic or a first-time DIYer, this compact tool helps you diagnose and clear engine warning lights before your next trip to the shop. Key Features Universal OBDII/EOBD Compatibility: Works with virtually all petrol and diesel cars, SUVs, and light trucks manufactured after 1996 in the US, EU, and Asia. Read & Clear Fault Codes: Quickly retrieves stored, pending, and permanent DTCs (Diagnostic Trouble Codes) and resets the Check Engine Light. Live Data Stream: Monitor real-time sensor data including engine RPM, coolant temperature, fuel system status, oxygen sensor readings, and more. I/M Readiness Check: Confirm whether your vehicle is ready to pass emissions testing — saving you time and hassle at the smog station. Vehicle Information (VIN, CID, CVN): Instantly retrieve your vehicle's identification number and calibration data straight from the ECU. Voltage Test: Check your battery and charging system voltage to avoid unexpected breakdowns. No Battery Required: Powers directly from the vehicle's OBD2 port — no charging or extra batteries needed. Easy-to-Read Display: Clear on-screen readouts with multilingual support for effortless use. Compact & Portable: Lightweight design fits easily in your glove box or toolkit for on-the-go diagnostics. Who Is This For? The V420 is perfect for car owners who want to understand what's wrong with their vehicle before visiting a mechanic, saving money on diagnostic fees. It's equally useful for professional technicians who need a reliable, no-fuss code reader on hand. What's in the Box? 1 × V420 OBD2 Diagnostic Scanner 1 × User Manual Specifications Compatibility: All OBDII/EOBD vehicles (1996 and newer) Supported Protocols: CAN, KWP2000, ISO9141-2, J1850 VPW, J1850 PWM Wireless Function: None (wired OBD2 port connection) Battery: Not required (bus-powered) Country of Origin: Made in Mainland China Related Products You May Like Looking for more automotive tools and accessories? Check out these related items from our store: 1-In-2-Out HDMI Splitter Cable 1080P 3D – TV Monitor Projector 10-in-1 Multi-Head USB Charging Cable – Universal Multi-Port Learn More About Vehicle Diagnostics Understanding your vehicle's onboard diagnostics system can save you time and money. Learn more about OBD systems and emissions readiness from the U.S. Environmental Protection Agency's OBD Resource Page. Frequently Asked Questions Q: Is the V420 OBD2 scanner compatible with my car? A: The V420 OBD2 diagnostic scanner is compatible with virtually all OBDII and EOBD-compliant vehicles manufactured after 1996, including cars, SUVs, and light trucks sold in the US, Europe, and Asia. It supports all five OBDII communication protocols: CAN, KWP2000, ISO9141-2, J1850 VPW, and J1850 PWM. Q: Do I need to charge the V420 scanner before using it? A: No! The V420 OBD2 code reader requires no battery or charging. It draws power directly from your vehicle's OBD2 diagnostic port, so it's always ready to use right out of the box. Q: Can the V420 scanner turn off the Check Engine Light? A: Yes. The V420 features a built-in reset function that allows you to clear stored diagnostic trouble codes (DTCs) and turn off the Check Engine Light (MIL) after you've addressed the underlying issue. Q: What is I/M Readiness and why does it matter? A: I/M Readiness (Inspection and Maintenance Readiness) indicates whether your vehicle's onboard diagnostic monitors have completed their self-tests. This is important for passing state emissions inspections. The V420 lets you check this status before heading to the smog station, saving you a failed inspection trip.
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