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.

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 …

Our OBD2 scanners and other diagnostic tools also help you keep track of your previous vehicle repairs. Next time your engine throws a code, turn to AutoZone for an easy-to-use code reader …

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

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 …

Now, you have it: the best OBD II scanners and code readers for 2026, written by a passionate DIY mechanic who actually wrenches and uses the scanners and code readers he recommends.

Nov 8, 2025 · Looking for the best OBD2 scanner? Our guide reviews the top options to help you diagnose issues and keep your car in top shape.

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

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.

Nov 1, 2024 · On one end, you have the premium-grade Bosch 1300 OBD that reads both OBD1 and OBD2 codes. On the other end, you have compact scanners with easy-to-read and …