$9 vs $99 vs $699 OBD2 Code Readers - Which is Best?

Budget Mechanic

We tested a $9, $99, and $700 OBD2 scanner to find out which code reader is actually worth buying. From basic check engine light codes and live data to ABS, airbag diagnostics, battery testing, bidirectional controls, and TPMS programming, this video shows what you really get at each price point and