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About this product
- [2.4" Big Screen, Enhanced Interface, Better Experience] - The BLCKTEC 420X is an upgraded version of our best-selling BLCKTEC 420. It features a 2.4" screen—77% larger than the original—making diagnostic information easier to read. The redesigned buttons and improved user interface offer a smoother, more intuitive experience. With its sleek Killer Wheal design, the 420X stands out as both functional and stylish—something you'll enjoy using while working on your car. The 420X OBD2 Scanner requires no battery or charger and is powered directly through your vehicle’s OBDII port.
- [All Functions You Need & More, Effortless Diagnosis & Repair] - BLCKTEC 420X Harness the full potential of the automotive code reader to quickly identify issues with your vehicle. Our advanced OBD2 reader not only reads and erases codes but also provides live data, battery/alternator tests, and detailed code severity levels. It's the ultimate tool for DIYers and mechanics seeking a comprehensive car tester diagnostic for all cars.
- [Get RepairSolutions2, the #1 Auto Repair App for Free] - When paired with RepairSolutions2(RS2) App, 420X becomes even more powerful. RS2's Verified Fix Database built by master technicians, provides the parts needed for the repair. Additionally, RS2 gives you access to OEM warranty info, maintenance schedules, TSB, and dealership recall info, making car care easier than ever. RS2 is free with no subscription fees and it stores your car scan reports in the cloud, allowing you to access, share, or print them anytime and anywhere.
- [Free Lifetime Update, Unmatched Vehicle Compatibility] - The BLCKTEC 420X comes with free lifetime updates, ensuring your scanner always has the latest diagnostic technology and supports new vehicle models. The 420X is compatible with all OBD2-compliant vehicles sold and registered in the USA and Canada from 1996 onward. This includes passenger cars, minivans, SUVs, pickups, light-duty trucks, and diesel vehicles manufactured by domestic, Asian, and European automakers.
- [Designed & Supported in the USA] - Proudly based in Southern California, our OBD2 scanner is the brainchild by local Master Technicians. As a USA-based company, our customer service team is also located in the USA and provides support in both English and Spanish. Our support hotline at 1-866-909-6777 is available Monday to Friday, 6:00 AM to 6:00 PM Pacific Time. For additional contact information, please visit our website.
Specifications
- Brand
- BlckTec
- Model
- 420X
- Type
- DIY Diagnostic Tool
- Brand
- Blcktec
- Connection
- Wireless Bluetooth
- Systems
- Engine, All Systems
- Advanced
- Live Data Graphing, Battery Test
- App Compatible
- iOS (iPhone & iPad), Android
- Width
- 3.07 inches
- Height
- 0.91 inches
- Depth
- 5.9 inches
- Colour
- Black and White
- Warranty
- 1 year limited manufacturer warranty
- Part number
- 420X
- Manufacturer
- McGaaw, LLC
- UPC
- 042173104208
- GTIN
- 00042173104208






