Read & Clear Car Fault Codes in Seconds – No Battery Needed The V420 OBD2 Diagnostic Scanner is the go-to tool for every car owner and mechanic who wants fast, accurate vehicle diagnostics without visiting a garage. Plug it straight into your car's OBD2 port and instantly access fault codes, live data streams, I/M readiness status, vehicle information, and battery voltage — all on a clear, easy-to-read display. No batteries required; it draws power directly from your vehicle. Key Features Universal OBD2 Compatibility: Works with all OBD2 / EOBD compliant petrol and diesel vehicles manufactured after 1996 — cars, SUVs, light trucks, and vans. Read & Clear Fault Codes: Instantly reads stored, pending, and permanent Diagnostic Trouble Codes (DTCs) and turns off the check engine light (MIL) after repairs. Live Data Stream: Monitor real-time sensor data including engine RPM, coolant temperature, O2 sensor readings, fuel trim, and more. I/M Readiness Test: Quickly check emissions readiness before your next smog or MOT inspection — avoid failing tests before you go. Vehicle Information (VIN): Retrieves the Vehicle Identification Number, calibration IDs, and CVN data automatically. Battery Voltage Test: Checks your vehicle's battery voltage so you can catch charging issues before they leave you stranded. No Battery Required: Powers directly through the OBD2 diagnostic port — no AA batteries or USB charging needed. Freeze Frame Data: Captures sensor snapshot data at the moment a fault code is triggered, helping pinpoint intermittent issues. Compact & Durable Design: Slim, lightweight, and built to live in your glove box or toolkit. What's in the Box? 1 × V420 OBD2 Diagnostic Scanner User Manual Compatibility Compatible with all OBD2 / EOBD compliant vehicles after 1996, including but not limited to: Toyota, Ford, Honda, BMW, Mercedes-Benz, Audi, Volkswagen, Nissan, Hyundai, Kia, Chevrolet, Jeep, and more. Simply locate your 16-pin OBD2 port (usually under the dashboard on the driver's side), plug in, and go. Made in Mainland China. Why Diagnose Your Own Car? According to the U.S. Environmental Protection Agency (EPA), all petrol-powered passenger cars and light trucks sold in the United States after January 1, 1996 are required to be OBD2 compliant. Understanding your vehicle's diagnostic codes helps you make informed repair decisions, reduce unnecessary mechanic visits, and keep your car running efficiently. Related Products You Might Like 1-In-2-Out HDMI Splitter Cable 1080P 3D – TV Monitor Projector 1.8M DisplayPort to HDMI Cable 4K DP Adapter – PC TV Monitor Frequently Asked Questions Q: Is the V420 OBD2 Scanner compatible with my car made after 1996? A: Yes. The V420 OBD2 Diagnostic Scanner is compatible with all OBD2 and EOBD compliant vehicles manufactured after 1996, covering the vast majority of petrol and diesel passenger cars, SUVs, and light trucks sold globally. Simply check that your car has a standard 16-pin OBD2 port, typically found under the driver's side dashboard. Q: Do I need to buy batteries to use the V420 OBD2 Scanner? A: No batteries are required. The V420 draws all its power directly from your vehicle's OBD2 diagnostic port the moment you plug it in, so it's always ready to use without any additional setup or charging. Q: Can the V420 turn off my check engine light after I fix the problem? A: Yes. Once you have diagnosed and repaired the fault, the V420 OBD2 Scanner can clear the stored Diagnostic Trouble Codes (DTCs) and reset the check engine light (MIL), confirming the issue has been resolved. Q: What is I/M Readiness and why does it matter? A: I/M Readiness (Inspection and Maintenance Readiness) checks whether your vehicle's onboard diagnostic systems have completed their self-tests. This is particularly important before an emissions inspection or MOT test — the V420 lets you verify your car is ready to pass before you arrive at the test station. {"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "Is the V420 OBD2 Scanner compatible with my car made after 1996?", "acceptedAnswer": {"@type": "Answer", "text": "Yes. The V420 OBD2 Diagnostic Scanner is compatible with all OBD2 and EOBD compliant vehicles manufactured after 1996, covering the vast majority of petrol and diesel passenger cars, SUVs, and light trucks sold globally. Simply check that your car has a standard 16-pin OBD2 port, typically found under the driver's side dashboard."}}, {"@type": "Question", "name": "Do I need to buy batteries to use the V420 OBD2 Scanner?", "acceptedAnswer": {"@type": "Answer", "text": "No batteries are required. The V420 draws all its power directly from your vehicle's OBD2 diagnostic port the moment you plug it in, so it's always ready to use without any additional setup or charging."}}, {"@type": "Question", "name": "Can the V420 turn off my check engine light after I fix the problem?", "acceptedAnswer": {"@type": "Answer", "text": "Yes. Once you have diagnosed and repaired the fault, the V420 OBD2 Scanner can clear the stored Diagnostic Trouble Codes (DTCs) and reset the check engine light (MIL), confirming the issue has been resolved."}}, {"@type": "Question", "name": "What is I/M Readiness and why does it matter?", "acceptedAnswer": {"@type": "Answer", "text": "I/M Readiness (Inspection and Maintenance Readiness) checks whether your vehicle's onboard diagnostic systems have completed their self-tests. This is particularly important before an emissions inspection or MOT test — the V420 lets you verify your car is ready to pass before you arrive at the test station."}}]}
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