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OBD2 scanner help for DIY car owners

Find an OBD2 scanner that fits your car and your jobs

Plain picks and side-by-side comparisons for code readers, Bluetooth dongles and bidirectional scan tools, with straight answers on updates and subscriptions. Start with the tool type, the brand or the car you work on.

Latest guides

  • BLCKTEC 460T Code Reader
    Guides, Updates & Subscriptions

    Is the BLCKTEC 460T Bidirectional?

    Is the BLCKTEC 460T bidirectional? No. It reads all systems and runs 12 reset services, but it can't send commands to test actuators. Here's what to buy instead.

  • UMEIJA OBD2 Scanner Diagnostic Tool
    Bluetooth OBD2 Scanners

    Best Bluetooth OBD2 Scanners for Android

    The best Bluetooth OBD2 scanner for Android turns your phone into a code reader. Compare app support, protocol coverage and live data picks.

  • ANCEL AD310 Code Reader
    Guides, Updates & Subscriptions

    Are OBD2 Scanners Worth It?

    Are OBD2 scanners worth it? Compare basic readers and enhanced tools, check vehicle coverage, and learn when owning one helps with repairs and routine checks.

  • TOPDON AD800BT V2.0 Bidirectional Scanner
    Matchups & Reviews

    Autel vs Topdon Bidirectional Scan Tools

    Compare Autel vs Topdon scan tools by vehicle support, wireless use, service functions and update terms to choose the right tool for your repair work.

  • TOPDON AD900 Lite Bidirectional Scanner
    Bidirectional Scan Tools

    Best Bidirectional Scan Tools

    Find the best bidirectional scan tool for your repairs. Compare vehicle coverage, active tests, screens, update terms and phone apps before choosing.

  • OBDLink MX+ Bluetooth Scanner
    Bluetooth OBD2 Scanners

    Best Bluetooth OBD2 Scanners

    Find the best Bluetooth OBD2 scanner for your phone and car. Compare app support, enhanced codes, active tests, setup needs and ongoing software access.

  • Foxwell NT604 Elite Scanner
    Code Readers & Full-System Scanners

    Best Car Code Readers

    Find the best car code reader for engine, ABS, SRS and transmission faults. Compare vehicle coverage, service resets and tools for your home garage.

  • OBDLink CX Bimmercode Adapter
    Bidirectional Scan Tools

    Best OBD2 Scanners for BMW

    Compare the best OBD2 scanner for BMW owners, from a simple BimmerCode adapter to full-system tools with battery registration, service resets and active tests.

  • LAUNCH Creader Elite 3.0 for Toyota
    Bidirectional Scan Tools

    Best OBD2 Scanners for Toyota

    Find the best OBD2 scanner for Toyota by comparing system access, active tests and service resets, with advice for Toyota, Lexus and Scion owners.