On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to detect failures that may increase the vehicle tailpipe emissions to more than 150% of the standard to which it was originally certified. [1][2]

Apr 25, 2023 · By understanding the differences in OBD versus OBD II and the different code readers available, you can address almost any issue that arises in your car.

OBD-II codes alert you when your car is having issues – everything from airbags to brakes. The most common place to access them is through the OBD-II port under your vehicle’s steering column.

Apr 9, 2025 · OBD-II provides real-time data on engine performance, emissions, and more, offering fleet managers and business owners critical insights into vehicle health, driver behavior, and location.

Let’s get to know all about OBD2 and why it is the standard on board vehicle diagnosis system out there. What is OBD2? OBD2 / OBDII allows users to gain insights and control of the car’s …

Oct 10, 2023 · Welcome to a comprehensive exploration of the power behind On-Board Diagnostic II (OBD II) systems. In this fact sheet, we will delve into the intricacies of OBD II – an advanced automotive technology that has revolutionized vehicle diagnostics and troubleshooting.

The OBD-II standard is a set of specifications and services based on the ISO 15031 standard and specify the type of OBD diagnostic connector, the electrical signaling protocols and the messaging format.

This system is OBD-II. After 1996, all vehicles sold in the US use the same system, with the same connector, with the same diagnostic codes, to be read with the same tool. That makes diagnosing car problems easier across the board. We'll walk you through how the OBD-II system works, and how you can read the codes it uses. How the OBD-II System ...

Mar 5, 2024 · In this comprehensive guide, we delve deep into the intricacies of OBD2 interface, unraveling its key features and functionalities to empower both automotive enthusiasts and professionals alike.

Mar 25, 2025 · The OBD-II system monitors various components and reports diagnostic trouble codes (DTCs) when malfunctions occur. These tools have revolutionized how we maintain and repair our vehicles, providing valuable insights into the inner workings of our cars.