Hello there, @NikkiG1.
You'll have to make sure that your CBA accounts are already in Direct Feeds to continue downloading your bank transactions in your QuickBooks Online account.
You can read this article for more detailed information: Update Commonwealth Bank connections to Direct Feeds.
However, if you're CBA account already connected to Direct Feeds, you can contact our QuickBooks Support to check your QuickBooks Online account. Please follow these steps on how:
Note: The support hours of Plus, Essentials, or Simple Start are from 6:00 AM - 6:00 PM, Monday to Friday. Then 6:00 AM - 3:00 PM on Saturday. And, if you're using the Advanced version, you can contact us any time on any day.
If you have additional questions, feel free to leave a message in the comment section. I'll be happier to help. Take care, and have a good day.