Yes its all do-able mostly as you asked

Create a Warranty Reserve liability fund account

Create a service type item for warranty claims & allowances and point it into this account. The word description on the purchase side is “warranty allowance” and on the sales side is “warranty claim”

Create another service item […]

Resolution for 'back sales issue: 'How do I start accounting for Warranties (i.e. warranty reserves etc.)?' available: Yes.

The back sales 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 back sales issue yourself by looking for a resolution described in the article. If it is a complex back sales issue or you are unable to solve the issue, you may contact us by clicking here or by using other back sales support options.

For more information about resolving issues related to back sales in Quickbooks/QBO or to get support for the issue 'How do I start accounting for Warranties (i.e. warranty reserves etc.)?', click the link below: