Read & Clear Check Engine Codes in Seconds Stop guessing what that warning light means! The V420 OBD2 Car Diagnostic Scanner plugs directly into your vehicle's OBD2 port and instantly reads Diagnostic Trouble Codes (DTCs), displays live sensor data, and lets you clear the check engine light — no mechanic needed. Compatible with virtually all cars, trucks, and SUVs manufactured after 1996 that support the OBD2 standard. Made in Mainland China. Key Features Universal OBD2 Compatibility – Works with all OBD2-compliant vehicles (1996 and newer): domestic, Asian, and European models Read & Clear DTCs – Quickly retrieve stored, pending, and permanent fault codes and erase them to turn off the check engine light Live Data Stream – Monitor real-time vehicle sensor data including RPM, vehicle speed, coolant temperature, O2 sensor readings, and more I/M Readiness Check – Verify emissions readiness before your smog or state inspection — avoid costly surprises Freeze Frame Data – Capture a snapshot of sensor conditions at the moment a fault code was triggered for easier diagnosis DTC Lookup – Built-in code library provides definitions so you understand exactly what each code means No Battery Required – Powered directly by the vehicle's OBD2 port; no charging or batteries needed Plug & Play – No software installation or Bluetooth pairing required; simply plug in and go Compact & Durable Design – Slim, handheld form factor that fits easily in your glove box or tool bag Who Is This For? Whether you're a first-time car owner who just saw the check engine light come on, a weekend DIY mechanic, or a seasoned technician who needs a reliable backup tool, the V420 OBD2 scanner is an affordable, no-fuss solution. It's also great to use before purchasing a used vehicle — scan for hidden codes the seller may not have disclosed. Specifications Item Type: OBD2 Code Reader & Scan Tool Protocol Support: OBD2 / EOBD (CAN, ISO9141-2, KWP2000, J1850 PWM, J1850 VPW) Wireless Function: No (wired connection via OBD2 port) Battery: Not required (bus-powered) Origin: Mainland China Related Tools You May Also Like 10-in-1 Multi-Head USB Charging Cable – Universal Multi-Port 1.35m Selfie Stick Tripod | Bluetooth Remote & Auto Phone Holder Learn More About OBD2 Diagnostics The OBD2 (On-Board Diagnostics II) standard is mandated for all vehicles sold in the United States since 1996. To learn more about how vehicle emissions and diagnostic systems work, visit 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 is compatible with all OBD2-compliant vehicles, which includes virtually every car, truck, and SUV sold in the United States since 1996. This covers domestic brands (Ford, GM, Chrysler), Asian brands (Toyota, Honda, Hyundai, Kia), and European brands (BMW, Mercedes-Benz, Volkswagen, Audi) that follow the OBD2/EOBD standard. Q: Can the V420 scanner turn off the check engine light? A: Yes! The V420 OBD2 code reader can both read and clear Diagnostic Trouble Codes (DTCs), which will turn off the check engine light once the underlying issue is resolved or the code is manually cleared. Q: Do I need a phone or computer to use this scanner? A: No. The V420 is a standalone, plug-and-play OBD2 scanner. It does not require Bluetooth, Wi-Fi, a smartphone app, or any software installation. Simply plug it into your vehicle's OBD2 port (typically located under the dashboard on the driver's side) and start reading data immediately. Q: Does this scanner show live sensor data? A: Yes. The V420 supports real-time live data streaming so you can monitor engine parameters such as RPM, vehicle speed, coolant temperature, intake air temperature, mass airflow, and O2 sensor readings as you drive or idle. Q: Is a battery required to operate the V420? A: No battery is required. The V420 OBD2 scanner draws its power directly from the vehicle's OBD2 diagnostic port, so it's always ready to use without any charging.
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