Ice forming on the INSIDE of my front windshield on 2006 Hyundai Tucson

I recently had my car's transmission replaced in Oct 2012 and now that winter has arrived, I'm experiencing a problem I didn't have last winter: Ice on the inside of my front windshield. Is it possible the dealer jarred some seal lose or somehow broke my heater core?

by in Cincinnati, OH on December 13, 2012
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2 answers 2 comments
ANSWER by , December 13, 2012
not heater core unless its leaking but could be issues under the dash. have heater and a/c control module scanned for codes and post
COMMENT by , December 13, 2012
Thank you. I will do that. This is extremely frustrating.
ANSWER by , December 13, 2012
possible excessive humidity in your vehicle.
COMMENT by , December 13, 2012
Today we reached a balmy 49 degrees so I checked & noticed the back carpet was moist from the washer fluid jug even though it was not leaking. I removed that so we will see. I'm trying everything. Thank you.