You can prepare your return using TurboTax, but you will need to mail the return to the IRS. Amended federal and most amended state returns are not eligible for e-file. Once you have mailed then amended return you should wait three weeks and then check the status by clicking the link below.
https://www.irs.gov/filing/wheres-my-amended-return
Note: You should wait until your original return has been processed to file an amended return experience a refund delay.