The cheapest way to diagnose faults on a modern car is to connect its OBD-II interface to a (notebook) PC running suitable diagnostics software. However, a wired connection is not always the most ...

A Python-based diagnostic tool to connect to a vehicle's ECU using an OBD-II adapter and retrieve diagnostic trouble codes (DTCs), engine parameters, and real-time vehicle data. This project allows ...

This article was updated in August 2025 with new products and information. That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue ...

This software and hardware system adapts your 92-95 Honda diagnostic port to an OBD II standard port, readable by any generic scan tool. In 1996 the federal government along with the state of ...

Let's find out some of the best budget-friendly OBD-II scanners available in the market. Today’s modern vehicles have leveled up in comfort, convenience, and/or performance, but it’s not only in those ...

Modern vehicles’ sophisticated electronics go far beyond the simple car mechanics most of us grew up with. Now, OBD, or on-board diagnostics, diagnoses almost every issue within your vehicle. Whether ...

ELM327 is an automotive interface device that's designed to wirelessly connect an external computer to a vehicle's onboard computer for diagnostics purposes. Manufacturer of this module is unknown.

That's where OBD-II scanners come in, giving enthusiasts and everyday drivers a window into their vehicle's diagnostic systems. If you're chasing down the cause of a check-engine light, ensuring peak ...

Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?