If you owe a penalty for estimated taxes, it will appear on your Form 1040, Line 23
You can view this information within TurboTax by taking the following steps;
1.) On the left-hand side of your screen, click Tax Tools
2.) Click Tools
3.) On the window that pops up, click View Tax Summary
4.) On the left-hand side of your screen, click Preview My 1040
Your penalty will appear on Line 23, transferred from your Form 2210. If you'd like to preview your entire return including Form 2210 before filing, please use the instructions from the FAQ below:
https://ttlc.intuit.com/replies/3302322
