Cheap vs Expensive OBD2 Scanners Tested on 15 Cars: What Broke and What Worked
We ran seven OBD2 scanners from a $22 Bluetooth dongle to a $1,200 Snap-on bidirectional unit across 15 vehicles over six weeks. Budget tools failed to connect on 4 of 15 cars, missed every manufacturer-specific code on European platforms, and returned a false “no fault found” reading twice. Mid-range handhelds covered 13 of 15 reliably. […]