After you file

Did you ever get to the bottom of this ? The same thing happened to me and my wife. She used turbo tax last year and they have her an almost $14,000 refund amount. The irs letter they mail you has the same refund amount. Then she ended up only receiving around $8500 in to our account. We’re also not sure what to do. Can’t get thru to the irs.  Now this tax year her job only withheld $300 in federal, even though nothing has changed and we can’t figure out why. We’re Not sure if the 2 are related.