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.

With our wide variety of code readers, you can get to the root of the problem in no time. Our OBD2 scanners and other diagnostic tools also help you keep track of your previous vehicle repairs. Next …

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

Jun 22, 2025 · Below are five highly capable code readers and scan tools that are well-suited for a wide range of American cars and trucks produced since 1996. Each option offers different strengths, from …

Diagnose your car’s engine problems with code readers & scanners from Harbor Freight. Full diagnostic capabilities. Read & clear check engine light codes. For automotive professionals and DIY …

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 10, 2025 · This scanner reads error codes, shows live data, and tells you if your car is ready for an emissions test. It’s designed for mechanics and regular car users alike.

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 …

3 Reset Functions: Reset ETS, Oil Life, and SAS to match vehicle settings and maintain your vehicle's health. Comprehensive Diagnostic Coverage: Easily access Engine, Transmission, ABS, and SRS …

1 day ago · It’s a great way to find out what is wrong with the computer or vehicle.” The iKiKin OBD2 Scanner Code Reader is 50% off at Amazon for a limited time only.