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 …

Nov 19, 2025 · Did your vehicle's check-engine light just pop on? An OBD-II scanner can point you in the right direction—and potentially save you a bundle. This article was updated in …

On-Board Diagnostics (OBD) is a system that monitors a car’s computer system and reports diagnostic trouble codes. Devices like an OBD-II code reader can read diagnostic trouble …

OBD II (On-Board Diagnostics II) is a standardized system that monitors and reports the performance of a vehicle's engine, transmission, and emissions systems. When a problem is …

May 6, 2025 · An OBDII is, simply put, the second generation of an OBD or OBD I. The OBD I was initially externally connected to the console of a car, while the OBDII is now integrated …

OBD stands for “onboard diagnostics,” and is a protocol included in all modern vehicles. OBD2 software lets you access and interpret the data from your vehicle’s electronic control unit (ECU).

Oct 10, 2023 · OBD II systems monitor various aspects of a vehicle’s performance using sensors and diagnostic equipment. These systems constantly collect data from different components, …

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 …

Mar 3, 2025 · Learn about OBD2, how it works, its compatibility, and how to read trouble codes. Discover the benefits of onboard diagnostics (OBDII) for car maintenance and repairs.

OBD2 is your vehicle's built-in self-diagnostic system. It is a standardized protocol that allows extraction of diagnostic trouble codes (DTCs) and real-time data via the OBD2 connector. …