What is OBD (On-Board Diagnostics) ?

General background info about OBD and OBDII

On-Board Diagnostics (OBD) Background History
On-board diagnostics (OBD) is an automotive term referring to a vehicle's self-diagnostic and reporting capability. OBD systems give the vehicle owner ...
Tue, Oct 23, 2018 at 6:04 PM
General Info about On-Board Diagnostics (OBDII)
What is OBDII? On-board diagnostics version II (OBDII) is a system that the Society of Automotive Engineers (SAE) developed to standardize automotive elect...
Thu, May 31, 2018 at 1:34 AM
OBDII Protocols
There are 5 signaling protocols that are permitted with the OBDII interface. Most vehicles implement only one of the protocols. It is often possible to dedu...
Tue, Oct 23, 2018 at 6:13 PM
Does my car have OBDII?
All cars and light trucks built and sold in the United States after January 1st 1996 were required to be OBDII equipped. In general, this means all 1996 mod...
Tue, Oct 23, 2018 at 6:19 PM
Diagnostic Trouble Codes (DTCs)
A trouble code is an alphanumeric value that corresponds to a particular type of fault. The list was originally created by the Society of Automotive Enginee...
Tue, Oct 23, 2018 at 6:28 PM
How Do You Clear Trouble Codes?
The best (safest) way to erase trouble codes is to use a Diagnostic Scan Tool. The tool communicates with the vehicle computer and tells it to erase the cod...
Tue, Oct 23, 2018 at 7:05 PM