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 …

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 reading and …

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

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.

Jun 22, 2025 · Choosing the right OBD II scanner can save time, money, and hassle by accurately diagnosing vehicle issues and helping you monitor engine health. Below are five highly capable code …

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.

Bluetooth OBD2 Wireless Scanner Diagnostic Tool, Vehicle Code Reader for Car, Scan Tool Reset & Clear Check Car Engine Light, Compatible with iOS & Android & Windows

Feb 21, 2025 · The best car code readers will tell you if there are any issues with your vehicle before the mechanic does. We researched to help you find the best one.