It is called the Diagnostics Link fuse. Not sure which fuse this is. Check all fuses and replace any blown fuses.
it is located on drivers side on the left , in the back near the fuse box
On a 2003 Lincoln Navigator : ( mini fuse # 41 is a 20 amp fuse for the cigarette lighter and OBD II diagnostic connector )
AnswerIt should be at the top of the dashboard behind the fuse panel cover.I have a 1995 Previa and it is not OBD II it is OBD I and the connector is located under the drivers seat which will tilt back if you trip the yellow lever under the seat.
Check the fuse for the cigar lighter. It supplies power to the OBD connector. It's under the Hood in the electrical centre .. a black fuse box above the driver side wheel
For the Data Link Connector ? It's fuse # 17 , a 20 amp fuse for the Data Link Connector , cigarette lighter in the fuse panel that is in the drivers end of the dash ( open the drivers door and you will see the removable plastic fuse panel cover in the end of the dash )
The fuse for the OBD-II port on a 2004 Honda Element is located in the interior fuse box, which is found under the dashboard on the driver's side. Specifically, you should check the fuse labeled "OBD" or "DLC" (Data Link Connector). If the fuse is blown, replacing it should restore power to the OBD-II port. Always consult the vehicle's manual for the exact fuse number and specifications.
Mini fuse # 41 is a 20 amp fuse for the OBD II diagnostic connector and the cigarette lighter according to the 2004 Lincoln Navigator Owner Guide
# 41 is a yellow color 20 amp mini fuse for the OBD II diagnostic connector and the cigarette lighter
The fuse for the code reader plug, commonly referred to as the OBD-II connector, is typically located in the vehicle's fuse box. This fuse box can usually be found under the dashboard on the driver's side or in the engine compartment, depending on the vehicle make and model. To identify the specific fuse for the code reader plug, consult the vehicle's owner’s manual, which often includes a diagram of the fuse box and the corresponding fuse functions. If the fuse is blown, replacing it should restore power to the OBD-II connector.
Fuse # 41 is a yellow color 20 amp mini fuse for the cigarette lighter and OBD II diagnostic connector ( from the fuse box picture it is located on one of the outside edges of the fuse box )
fuse # 3 is a 20 amp fuse for the data link connector and cigarette lighter
The OBD II fuse is located on the passenger's side valve cover. Most drivers access it so that they can light up their cigars.