bluetooth obd‑ii
Stop Using Bluetooth OBD‑II for Automotive Diagnostics
Can a $30 dongle replace a $300 scan tool? No, a $30 Bluetooth OBD-II dongle cannot fully replace a $300 professional scan tool. While cheap adapters can read basic trouble codes, they lack the depth, live data streams, and bi-directional control that technicians rely on for accurate diagnosis. In 2023,