Independent · Reader-supported · Research-based

BestOBD2Picks is an independent, reader-supported research site that helps drivers and DIY mechanics pick the right OBD2 scanner and make sense of what their car is telling them. We cover scan tools, vehicle-specific diagnostics, fault codes, and the garage gear that goes with them, for vehicles with a standard OBD-II port.

Every page answers one practical question: which tool fits your car and budget, and what to do with the result. Last updated: November 2026.

What we cover

  • 01Best ScannersBuying guides for OBD2 scanners, code readers, and bidirectional scan tools, organized by budget, feature set, and user type (beginner, DIYer, enthusiast).
  • 02Scanners by VehicleWhich tools and procedures fit your exact make, model, and year range, plus OBD2 port locations, dashboard warning lights, and reset steps.
  • 03Reviews & VersusIn-depth scanner reviews and head-to-head comparisons, each ending in a clear verdict for each type of buyer.
  • 04Garage ToolsBattery testers, chargers, jump starters, TPMS tools, multimeters, and other diagnostic gear that works alongside a scan tool.
  • 05LearnPlain-English guides to OBD-II trouble codes, warning lights, sensors, emissions testing, and relearn procedures.

How we work

Our content is research-based. We build every guide from the following sources:

  • Manufacturer specifications and published vehicle coverage lists.
  • Government data, including NHTSA recalls and EPA emissions guidance.
  • The SAE J1979 OBD-II standard.
  • Independent test results and patterns in verified owner reviews.

When sources disagree, we say so and explain which data we trust more. We don’t claim hands-on testing we haven’t done. Read the full process in How We Research.

Meet the team

Our editorial team researches, writes, and edits every guide on the site.

  • Lauren MitchellBuying Guides Editor

    Leads our OBD2 scanner buying guides.

  • Ryan CaldwellVehicle Research Editor

    Researches scan tool compatibility and procedures make by make.

  • Claire DonovanProduct Research Analyst

    Writes our reviews and head-to-head comparisons.

  • Marcus ReedGarage Gear Researcher

    Covers the gear that sits next to a scan tool.

  • Nicole BennettTechnical Content Editor

    Edits our Learn library of code and diagnostic guides.

How we make money

BestOBD2Picks is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. As an Amazon Associate, BestOBD2Picks earns from qualifying purchases. Commissions never decide which products we recommend or how we rank them. See our Affiliate Disclosure for details.

Get in touch

Found an error, or have a question about a tool or code? Contact us or email [email protected]. If something is wrong, we’ll check it and correct the page.