QB Issue Resolution:

My best advice is to reconcile.  Also look for the Opening balance Рpre reconciled transaction that qbo will create to show the balance prior to the 90 days of import.  That throws everything off.

Resolution for Issue 'My Quickbooks (desktop) bank accounts are not showing correct balances' available: Yes (Solved).
Source: Intuit Community forum.

My Quickbooks (desktop) bank accounts are not showing correct balances: 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 balances
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Error Recovery for balances [Canada]
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