Technician A says that in North America, only the EPA (Environmental Protection Agency) outlines standards for OBD (on-board diagnostic) system operation for vehicles operated over the road. Technician B says that the European On-Board Diagnostics (EOBD) and OBD legislation and regulations should not be confused with enhanced OBD codes, which refer to manufacturer-specific or proprietary diagnostic codes. Who is right?

Question

Quizplus · Accepted Answer

The EPA is not the only body that outlines standards for OBD systems in North America; CARB (California Air Resources Board) also plays a significant role. Technician B is correct in stating that EOBD and OBD legislation should not be confused with enhanced OBD codes, which are manufacturer-specific.

Technician a Says That in North America, Only the EPA