I received a 570 code on my tax transcript, could that be because I had early withdrawal from 401K?

Code 570 on your tax transcript means that the IRS has put on hold the processing of your return. This could be due to a number of reasons: 

This IRS guide describes code 570 as Additional Liability Pending and/or Credit Hold.

This code will be reversed by code 571 when the IRS resumes processing your return.