OBD port not working?

Tiny
GEORGEMAC53
  • MEMBER
  • 2006 TOYOTA COROLLA
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 201,000 MILES
No power at #16 wire fuse is good.
Monday, December 30th, 2024 AT 11:14 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,579 POSTS
Does the fuse have power, key on?

This guide can help:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

You might have a connection problem to the data port, also make sure the connector is not corroded, which happens.

Here is a video on the problem as well:

https://www.youtube.com/watch?v=6Tlg3JmgNSQ&t

The fuse for the OBD port gets its power from the ALT fuse 100 amp FYI. Let me know what you find.
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Wednesday, January 1st, 2025 AT 11:07 AM

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