DIY scanners should be easy to use, cover the modules you actually need, and pay for themselves after one avoided dealer diagnostic fee. These TOPDON picks match common home-garage jobs: check engine light, brakes, maintenance resets, and battery tests.
1 Occasional check-engine light: AL400 / CarPal
Read codes, graph live data, check smog monitors. Enough for most driveway troubleshooting without paying for ABS or airbag modules you never touch.
2 Oil changes and battery health: AD500 + BT100
Scanner with service resets plus a dedicated 12V battery load tester — reset oil service light and verify battery health in one toolkit.
3 Brakes, airbags, and multi-car families: ArtiDiag600 Pro
Full-system scans and service resets cover the jobs DIYers hit after tutorials — EPB retract, SAS calibration, oil reset, and ABS codes.
4 Start with our Scanner Finder
Answer three questions on our wizard and get a shortlist matched to your vehicles and budget — then compare specs on our Compare page.
TOPDON AL400 OBD2 Scanner — TOPDON obd2 scanners with specs, Amazon customer reviews, and buying guidance. From $29.99 on Amazon. Compare with similar TOPDON mo
TOPDON AD500 OBD2 Scanner Car Code Reader — TOPDON tpms tools with specs, Amazon customer reviews, and buying guidance. From $152.98 on Amazon. Compare with sim
TOPDON ArtiDiag600 Pro — TOPDON obd2 scanners with specs, Amazon customer reviews, and buying guidance. From $218.98 on Amazon. Compare with similar TOPDON mode
TOPDON BT100 Car Battery Tester 12V L — TOPDON battery testers with specs, Amazon customer reviews, and buying guidance. From $51.99 on Amazon. Compare with sim
