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?

Usual placement locations for the OBD (on board diagnostic) corrector

Diesel Laptops Mack & Volvo 2013 & Newer OBDII Cable for DPA5

This Y Splitter connector for add device in your car, it can be hidden tucked up under the dash,and it allow the mechanic to still use diagnostic test

Pack of 5 iKKEGOL OBD2 OBD II Full 16 Pin Splitter Y Open Cable J1962 1 Male to 2 Female Connector Underdash Mount Bracket for Diagnostic DIY

Introducing the OBD-II UART Adapter for Arduino (with built-in MPU-6050) - Other Hardware Development - Arduino Forum

On-board diagnostics - Wikipedia

What is an OBD port and what are they used for?

OBD2 pinout explained. Major car brands pinouts

OBD2 Connector Repair- How to create a lasting repair

Blog - What is OBDII? The High-Tech Port In Every Car Since 1996

What is OBD? - OBD Solutions

What Is OBDII? History of On-board Diagnostics (OBD)

For 2013 and newer Mack and Volvo trucks with OBD-II connections., Must be used with 2013 HD OBD-II port, Volvo PTT 2.0 Approved, Works with DLA+

OBD-II Type-B Cable for Mack & Volvo (121591)