After you file

@Critter-3 

if this is the best TurboTax can do to help  you amend,

you may as well do it manually yourself.

 

If a TurboTax update changes your return when you open it after filing (it will because congress changed the law in mid-stream).

you'd better have made a copy of your original return before e-Filing, or immediately thereafter.

 

That copy together with your revised tax return is the only way to verify your Form 1040-X is correct.