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OBD connector not working

Tiny
SHUDI
  • MEMBER
  • 2008 HONDA CIVIC
  • 120,000 MILES
OBD connector is not working. I was told that it could be a blown fuse, but I don’t know which fuse is the one connected to the vehicle.
Monday, January 3rd, 2022 AT 6:57 AM

3 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Check the fuse box under the dash. It should be number 9 (I have attached the diagram below).
That fuse is likely blown.

Here is a helpful video on how to diagnose inoperative OBD port:

https://youtu.be/6Tlg3JmgNSQ

Let me know if you have any questions.
Thank you.
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Monday, January 3rd, 2022 AT 7:51 AM
Tiny
SHUDI
  • MEMBER
  • 2 POSTS
Checked the fuse. It’s not blown but I tried replacing it anyway and it’s still doing the same thing.
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Wednesday, January 5th, 2022 AT 5:41 AM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Have you got a chance to look at the wires behind the OBD port?
I have seen the pins coming undone and that will lead to no power or no connection to the scanner.
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Thursday, January 6th, 2022 AT 12:02 PM

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