# OBD-II

> On-Board Diagnostics 2: standardized diagnostic port mandatory on every vehicle since 1996.

**URL:** https://quilometragem.com/glossary/obd-ii

**Summary:** On-Board Diagnostics 2: standardized diagnostic port mandatory on every vehicle since 1996.

- OBD-II is the vehicle-diagnostic standard required on every US car since 1996, in Brazil since 2010, in Mexico since 2015.
- The 16-pin port under the dash exposes error codes, engine data (RPM, temperature), speed, and odometer.
- Plug-in dongles relay OBD-II to Bluetooth apps that generate automatic mileage receipts.

OBD-II is the vehicle-diagnostic standard required on every US car since 1996, in Brazil since 2010, in Mexico since 2015. The 16-pin port under the dash exposes error codes, engine data (RPM, temperature), speed, and odometer. Plug-in dongles relay OBD-II to Bluetooth apps that generate automatic mileage receipts.