Turbotax does not handle tax audits/notices. one a return is accepted Turbotax is out of the picture. your options are to 1) if you paid for audit defense when you did 2021 contact them or contact them now
see this link. switch to state notice then click on the California link
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-audit/turbotax-audit-support/L6AcMoNFD_US_en_US
2) handle it yourself - we can't see the notice so don't know if advice could be offered on how to respond, 3) hire an outside pro