The Motopower OBD2 Car Code Reader is on sale for a mere $18, a 33% discount from its normal price of $27.

Reading and understanding OBD2 trouble codes today couldn't be easier. This is partly because of tools like Innova's Digital CAN OBD2 Code Reader.

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The BlueDriver OBDII Scan Tool is a Bluetooth OBD code reader that links to your iPhone or Android device. This model happens to be the best-selling code ...

At $40 ($28 for Inside Track Club members), the CEN-TECH OBD2 Code Reader is the cheapest auto scan tool that Harbor Freight sells. It's a bare-bones device designed primarily for checking and ...