My federal return is ina great shape, but e-file is not working after say sucess, there is a message that the tax could not be transmitted. but doesn't explain the reason

If you are using TurboTax Desktop, you will need to correct your return and/or update your program by following the on-screen instructions.

If you continue having issues, you can check some of our common solutions.  If your tax return can't be e-filed for some reason, TurboTax will let you know.

If your issue continues, contact us again and give us more details.