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]

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 codes (DTC) that the system stores when something goes wrong.

Apr 25, 2023 · OBD stands for On-Board Diagnostic. It’s the standardized system that allows external electronics to interface with a car’s computer system. It has become more important as cars have become...

OBD stands for On-Board Diagnostics and is a computer system inside of a vehicle that tracks and regulates a car’s performance. This on-board computer system collects information from the network of sensors inside the vehicle, which the system can then use to regulate car systems or alert the user to problems.

Aug 26, 2024 · Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs. Your check engine light can come on a host of reasons, ranging from...

Mar 10, 2025 · On-Board Diagnostics (OBD) is a standardized system used in vehicles to monitor and report engine performance, emissions, and system health. OBD systems help diagnose faults in the vehicle by storing Diagnostic Trouble Codes (DTCs) when an issue is detected.

Jul 15, 2018 · OBD is short for “On-Board Diagnostics”. It is a standardized system that allows a vehicle’s computer to interface with external electronic devices. The devices are popularly known as OBD scanners or OBD scan tools. By doing so, OBD gives the vehicle the ability to do self-diagnosis and reporting.

Get OBD fault codes, car performance, sensor data and more! It can also show and reset a DTC / CEL / fault code like a scantool. Monitor and data log engine and vehicle performance, fuel economy, and instantly read and clear troublesome check engine lights. Your OBDII diagnostic software ues help.

Mar 25, 2025 · Diagnostic Computer for Cars: A Comprehensive Guide Modern vehicles are complex machines with intricate systems controlled by computers. When something goes wrong, a diagnostic computer for cars can be an invaluable tool for identifying the issue. This comprehensive guide will explore the world of car diagnostic computers, covering everything from the basics of the OBD-II …

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.