Aug 26, 2025 · OBD stands for onboard diagnostics, and an OBD-II scanner can check on your vehicle's vital systems, providing valuable information about warning lights, airbags, ABS, and …

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.

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.

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 …

Nov 8, 2025 · Discover the most accurate and feature-packed OBD2 scanners of 2025, tested for reliability, compatibility, and real-world performance across modern and older vehicles. When …

Nov 3, 2025 · One of its main strengths is its compatibility with a wide range of vehicles, supporting all OBD II protocols and working with cars from 1996 and newer. Its ability to read …

Jan 15, 2025 · Code readers are essential tools for diagnosing issues with vehicles. They are small electronic devices that can be plugged into a car's onboard computer system to read …

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.

Find the right vehicle code reader or scanner with our easy-to-use product selector. Choose the features you need and compare top models to find the best tool for your diagnostic needs.