What’s the difference among OBD-II, EOBD and EOBD II?

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What’s the difference among OBD-II, EOBD and EOBD II?


What are OBD-I, OBD-II and EOBD II?

On-Board Diagnostics (OBD) was the name given to the early emission control and engine-management systems introduced in cars. There is no single OBD standard - each manufacturer often using quite different systems (even between individual car models).

systems have been developed and enhanced, in line with United States government requirements, into the current OBD-II standard. The OBD-II Federal requirements apply to cars sold within the USA from 1996, but do not apply to cars sold outside the USA - even those made by American manufacturers.

Cyue-tech’s OBD II auto scanners for also compatible with EOBD.


What is "EOBD"?

EOBD is an abbreviation of European On-Board Diagnostics.

All petrol cars sold within Europe since January 1st 2001 and diesel cars sold since January 1st 2004 must have on-board diagnostic systems to monitor engine emissions.

These systems were introduced in line with European Directive 98/69/EC to monitor and reduce emissions from cars. All such cars must also have a standard 16-pin EOBD diagnostic tool that provides access to this system.

EOBD is the European equivalent of the American OBD-II standard. The two are essentially the same, but the European standard was implemented much later, and applies to petrol cars sold in Europe from 2001, diesels from 2004.


EOBD II is not a new version of EOBD.
tends to refer to manufacturer-specific features available on some OBDII/EOBD diagnostic tools to access additional parameters/information from a car, over and above the normal parameters and information available within the EOBD/OBDII standard. There are, as such, no 'EOBD2 cars', i.e. cars that require an EOBD2 diagnostic tool to access their diagnostics information.

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