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Cars / Browser Ready

OBD Code Lookup

Enter an OBD-II trouble code to see what it means in plain English, what to check first, and what to test before replacing parts.

Added to the experiment collection

Browser
Available to try
Desktop
Not offered here yet
  • cars
  • diagnostics
  • obd-ii
  • check engine
Try in browser ↗Request desktop version ↗
Details

This is the browser experiment. You can use it here without installing anything.

Browsers limit what a website can access on your computer, so some features may be unavailable here. A desktop version can usually work more directly with your files, folders, devices, or operating system.

How this browser version works

  • Explains what a code usually means and what to check. It can’t diagnose your vehicle, and a code doesn’t prove which part failed.
  • Starts with a set of common generic engine and transmission codes (P0xxx). Manufacturer-specific codes and body, chassis, and network codes aren’t included yet.
  • Results are generic. Entering your vehicle doesn’t change them yet, and your manufacturer’s service information may call for different tests.
  • Runs from a code list built into the page. Nothing you enter is saved or sent.

What a desktop version could offer

  • A larger code library that works offline in the garage.
  • Save the codes and notes for each of your vehicles over time.