If you absolutely cannot get your W-2 from your employer, you should contact the IRS to report the issue. See the TurboTax FAQ below for instructions on how to proceed.
"What if it's February but I still don't have my W-2?"
https://ttlc.intuit.com/replies/3301808
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***