https://www.nhtsa.gov/recalls#vehicle
Type in your vehicle where it states to do so. It will give you four columns, "recalls," "investigation," "complaints," and "manufacturer communications." I find that most, if not all, Technical Service Bulletins, or TSBs (sometimes referred to simply as "service bulletins"), are located under the manufacturer communications section (last column).
Recalls are listed there as well in the first column.
Is that what you were looking for?