obd full form in automobiles

The OBD  full form in 

automobiles 

(OBD  on board diagnostic ,using obd code reader car scanner ,

diagnostic tool,check engine light showing cluster meter,check

 car error fault codes,engine body chassis,diagnostic on obd port,

connect obd in car check failure system,fault codes in car,using 

auto electrician mechanic technician, obd tools

  full form in car (OBD  on board diagnostic