OBD port not working?

2006 TOYOTA COROLLA
201,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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GEORGEMAC53
  • MEMBER
  • 1 POST
No power at #16 wire fuse is good.
Dec 30, 2024 at 11:14 PM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 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.
Jan 1, 2025 at 11:07 AM
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