When you start your Pennsylvania return over in the State Taxes section, you will need to proceed through all of the Pennsylania state interview screens again, but TurboTax will automatically transfer data from your federal
return, which you had entered in the Federal Taxes section.
For more
information on the Federal > State
data flow in TurboTax, please see the following TurboTax FAQ,
"Troubleshooting Common Federal to State Transfer Issues":
https://ttlc.intuit.com/replies/3301882