Recently my ASB light came on, and at the same time my speedometer quit working. What could effect both of these?

Begin by:

. Checking for codes.

. Testing all under-dash and under-hood fuses with a test light or multimeter:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-46563-3.html#post252145