Code Readers Discover our top 10 professional OBD2 code readers and scanners.
From basic diagnostic tools to advanced analysers, find the perfect device to identify and resolve vehicle issues with confidence. Last Updated - March 21, 2026 - Advertising Disclosure

Why we love it

Take your car maintenance to the next level with this TOPDON diagnostic scan tool. Featuring 9 reset functions and support for 4 systems, this tool is perfect for DIYers and professionals alike. The lifetime free updates and accurate OBD2 functionality ensure you stay up-to-date with the latest technology, while the easy-to-use interface and graphical display make it simple to diagnose and repair issues.

• [9 Reset Functions Diagnostic Tool]: Upgraded of AD600 and AD500 code reader, TOPDON AD600S car diagnostic scan tool takes in all their strengths. With 9 commonly-used reset functions to recover vehicle performance: Oil Reset,Steering Angle Reset,BMS Reset,Throttle Adaptation,DPF Regeneration,ABS Bleeding,TPMS Reset,EPB Reset,Injector Coding.
[4 Systems Diagnostic]: This OBD2 code reader has equipped with professional systems check for Engine, Transmission, ABS, and Airbag, serving 90+ mainstream vehicle brands worldwide. With the AD600S auto diagnostic tool, you can read codes, erase codes, and view data stream & ECU information, quickly solving vehicle problems and smoothly driving your car to your destination later.
which is compatible with 90+car brands now and 10,000+ models and enjoy lifetime free update for more features and more compatible car models. It displays live data stream graphically, supports data record&playback and shares report via email for print or troubleshooting. DO NOT SUPPORT KEY PROGRAM.
[Full OBD2 Functions & Auto VIN]: The AD600S code reader with complete OBD2 functions scans the emission-related system, which locates the cause at ease and turns off the check engine light. Auto VIN technology automatically identifies the vehicle make, model, and year information, facilitating the AD600S diagnostic tool to operate the correct diagnostic.
[User-oriented Diagnostic Tool]: ArtiFolder saves diagnostic reports & records for a quick test, fault code reading, and data stream reading. Diagnostic reports can be shared and printed via Email for further analysis and future reference. DTC library stored massive information about the specified fault code which does you a big hand for vehicle diagnostic.
Wide Applicable Crowd Whether you are a DIYer want to make car repairs yourself instead of paying a mechanic, or a mechanic wants to make repairs and maintenances to grow customer base with improved efficiency, you can count on TOPDON ArtiDiag600S.It fits for Technician, advance DIY, garage, car dealer, used car dealer, auto repair shop, automotive engineer, diagnostic tech, truck man, automobile tech, home mechanic, DIY beginner, automotive student, backyard mechanic, retired mechanic.
[Worry-free Purchase]: Choosing TOPDON AD600S diagnostic scanner chooses top-level service. Lifetime free updating steadies your AD600S auto scanner in a newer version. 13 common languages follow your disposal. 24 7 post-sale team offers technical instruction. Try to use the Online Feedback function to obtain better problem solutions.

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