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 …

Dec 5, 2025 · Understanding the key differences between OBD1 vs OBD2 is essential whether you own a classic car or a modern vehicle. In this guide, we break down the history, features, …

Discover the key differences between OBD1 and OBD2 systems and how they impact your vehicle's performance. Read on to enhance your understanding.

Dec 2, 2017 · OBD1 is the On-board Diagnostics standard applied to vehicles made for California from 1991 to control vehicle emissions in this state. All cars marketed for this area had to be …

Mar 21, 2024 · In this guide, we will go through everything you have to know about OBD1 Trouble Codes. Learn to read the trouble codes without a scanner and the meaning.

Jun 24, 2025 · There are two main versions of OBD system: OBD1 and OBD2.In this article, we’ll break down the key differences between OBD1 and OBD2, and explain what they mean for …

Dec 26, 2023 · The first generation of Onboard Diagnostics came to be known as OBD1. OBD1 is a set of self-testing and diagnostic instructions programmed into the vehicle’s onboard computer.

Oct 13, 2025 · But before you buy one, it's crucial to understand the difference between OBD2 vs OBD1 — because if your car doesn't support the right system, that shiny new scanner might …

There are two main OBD systems, OBD1 and OBD2, used in the vehicles found on the roads. There’s a vast difference between the two as they differ in terms of standardization, features, …

Mar 4, 2025 · While the market is flooded with high-quality OBD2 scanners, finding a dependable OBD1 scan tool can be tricky. To make your search easier, we’ve handpicked some of the …