To correct the EIN on your W-2, log into your return and access the "Wages & Income" tab by clicking on "Federal" located in your Menu Bar on the left-hand side of your screen.
Once in "Wages & Income" you can click "Edit" next to your W-2 and correct the information from there.
For more information on correcting a Rejected Return, please see the TurboTax FAQ listed below.
https://ttlc.intuit.com/replies/3302275
