What is OBD?
OBD is On-board diagnostic means self-diagnosing and self-reporting problems in the car or vehicle.
When you’re purchasing a vehicle or car , two terms that will come one is OBD1 and OBD2.Nowadays day OBD1 is not coming its in only old vehicle.
For example, if your vehicle have a high-end OBD system(OBD2), and it has a problem, the OBD system will do self-diagnose, or ‘tell’ the car driver or repair technician that what problem is in the car.
The difference between OBD1 and OBD2. With OBD1, the goal was to develop a diagnostics system which focuses on the emission control systems of a vehicle means it will tell emission related information to a requester.
OBD2 is a improvement to the OBD1. OBD2 has better signalling protocols and messaging formats.It will support all diagnostic protocol like UDS ,KWP2000, SAE J1939.
Feature of OBD2:
- 1.standardised trouble codes
- 2.Supports diagnostic protocol
- 3.portable
- 4.plug and play
- 5.compact
- 6.customizable
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