You requested a 6 digit PIN so you could finish your return.
If you are referring to the 6 digit code in order to access your Turbo Tax Return and you are having problems getting that, please try these Troubleshooting Tips;
Use this link to receive your Turbo Tax 6 digit code: How to Get my 6 Digit Code?
If you have been a victim of Identity Theft you will need to contact IRS to obtain that PIN. Here is the link that will provide you with more information on how to do that:
How to Obtain my Identity Theft PIN?