iMessage and FaceTime not working

Hi colombafromann arbor

Welcome to the Apple Community.

As you have changed your Apple ID password :

You may need to update your sign-in information with any Apple services that you're using.

The support page (link) below can help in this situation:

What to do after you've changed your Apple ID or password – Apple Support

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You may need to set up FaceTime before you can make or receive FaceTime calls.

Set up FaceTime on iPad – Apple Support

NB: For accurate info:

Choose correct iPad iOS at top of the page that opens from the link

And

Make and receive FaceTime calls on iPad – Apple Support

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Set up Messages on iPad – Apple Support (NB: Choose your correct iPad iOS at the top of the page that opens)

Send and receive text messages on iPad – Apple Support

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Troubleshooting :

If you can't send or receive messages on your iPhone, iPad, or iPod touch - Apple Support

If an app on your iPhone or iPad stops responding, closes unexpectedly, or won’t open - Apple Support

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If needed: There is a "Get Support" link to Apple, at top right on this discussion page.

Hope something here helps you access and use FaceTime and Messages

All the best :-)

See the Apple Support article(s) below.

Messages - If you get an error when trying to activate iMessage or FaceTime.  *

If you can’t turn on or sign in to iMessage or FaceTime.  *

If you can't make a FaceTime call on your iPhone, iPad, or iPod touch.   *

If you can't send or receive messages on your iPhone, iPad, or iPod touch    *