QB Issue Resolution:
I’d like to help you uncover what’s going on with those balances.
While posting to the sub-accounts will impact the parent account balance, posting to the parent account will not impact the sub-accounts. If you’ve recorded money-out under the parent account, your balance will go down, while the balance of the sub-accounts remains the same. I recommend looking through the parent account to see if there’s a transaction that hasn’t been assigned to a sub-account, which would cause the difference between the two balances. Your accountant could go through this process with you, or you can find a ProAdvisor in your area here: https://quickbooks.intuit.com/find-an-accountant/.
Resolution for Issue 'Parent Bank Account and Sub Accounts – The Balances Do Not Match Explanation and Resolution????' available: Yes (Solved).
Source: Intuit Community forum.
Parent Bank Account and Sub Accounts – The Balances Do Not Match Explanation and Resolution????: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for Accounts
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