I know, those are old instructions.  To disconnect/reconnect, go to you bank acct, and edit it.  Select to edit the details and disconnect it.  Then go back to the bank screen and connect it again like the first time.  Make sure you exclude the duplicate transactions that may flow in.

Resolution for 'correct my bank issue: 'Are there updated instructions to correct my bank feed not downloading?' available: Yes.

The correct my bank issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the correct my bank issue yourself by looking for a resolution described in the article. If it is a complex correct my bank issue or you are unable to solve the issue, you may contact us by clicking here or by using other correct my bank support options.

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