OBD stands for "on-board diagnostics." The scanner connects to your car's computer system and can read its internal codes to diagnose mechanical and electronic ills. That check-engine light could ...

CARLY OBD II Scanner tested ► A must-have tool for buying a used car ► View our guide to car diagnostics here Carly is a pioneer in simplifying car diagnostic systems. This little pocket-sized item ...

Firmly set the parking brake. Download and install the manufacturer’s code reader app to your Bluetooth device. The post How To Use a Diagnostic Car Code Reader appeared first on Family Handyman.