Nov 19, 2025 · Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find the best for different situations.

Easily diagnose your car problem with code readers and diagnostic tools from AutoZone. With our variety of code readers, you can find the perfect one that will accurately operate for your vehicle.

Jul 18, 2025 · This is a car code reader or diagnostic tool that allows you to communicate with the engine’s computer about what’s wrong and needs to be fixed. This system has been in use for …

Discover the best Code Readers & Scan Tools in Best Sellers. Find the top 100 most popular items in Amazon Automotive Best Sellers.

Sep 15, 2025 · Get the read on your car issues with an OBD-II code reader. I tried out some of the top brands on the market to find the best one for your needs.

OBD scanners and code readers pull trouble codes from the vehicle's computer to help determine what may have caused the light to come on. These tools can take the guesswork out of …

Nov 1, 2024 · Is your check engine light on? We field tested and can point you to the right OBD2 scanner to diagnose vehicle troubles including Bosch, Ancel, TOPDON and more.

Feb 21, 2025 · While they can't fix your car's mechanical problems, the best car code readers can tell you where to begin to pinpoint the issue. We researched the options and here are our …

Diagnose your car's issues at home with the best OBD-II scanners you can buy right now.

Find the best OBD2 scanner for your vehicle with our 2025 buying guide. Discover the different factors to consider when buying a code reader.