Are you certain you entered multiple employers? The procedure you described seems related to a single employer. Have you reviewed the following TurboTax FAQ: <a rel="nofollow" target="_blank" href="https://ttlc.intuit.com/questions/1899484-can-i-get-a-refund-for-excess-social-security-tax-withheld">https://ttlc.intuit.com/questions/1899484-can-i-get-a-refund-for-excess-social-security-tax-withheld</a>?
Are you certain you entered multiple employers?
The procedure you described seems related to a single employer. Please review the following TurboTax FAQ if you haven't already:
https://ttlc.intuit.com/replies/3300261