What Is the OBD-II Port and What Is It Used For?

If you purchased a car built after 1996, it probably has an OBD-II port. But what is it for, and how do you diagnose errors with it?

Recommended Practice on Proper Use of the OBD-II Port (CTA-CEB37) – Consumer Technology Association®

OBD DOA

On-board diagnostics - Wikipedia

OBD2 Explained - A Simple Intro [2023] – CSS Electronics

The OpenXC interface (OBD-II connector, 10/100Mbit Ethernet

This optional cable can be used to connect your AiM EVO4 data logger to an ECU via the OBD-II port for a plug-and-play installation! It has a 5-pin

AiM EVO4 Cable, 5-Pin 712 to OBD-II (CAN only) Connector

On-Board Diagnostics (OBD)

Design for high strength to use OBD2 tool ,Can save the wear and tear on your scan tool's OBD connector.Fits snugly and permits communication on all

OBD2 OBDII Full 16 Pin Male to Female OBD Cable Splitter Converter Adapter for Diagnostic Port Extender (Black)

BlueDriver OBD2 Scanner, Tested By Experts (2024 Review)