[keylimesoda]

Did you ever figure this out? I have an 07 Odyssey EX that has the same issue.

The manual section for fuses doesn't have show anything that is clearly an OBD fuse.

 

[keylimesoda]

Is the OBD port on the ACG fuse?

The ACG appears to be it's own thing as well:

ACG Fuse? What Does ACG Mean? Here are the Roles of this Key Component? - Honda The Other Side

Fuses are a critical component in any vehicle, helping to protect against electrical overload and prevent costly damage to your car’s systems. And among the various types of fuses out there, ACG fuses play a crucial role in maintaining your ride’s overall health and safety. But what is an ACG...

hondatheotherside.com

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