Originally Posted by the_traveler
...I believe (although I've never used it) there is a connecting bus that goes from Concourse C to Terminal 2 airside. I think it is down near the low end numbered C gates. (That is because some US and/or UA flights depart from Terminal 2.)...
Shuttle bus is from gate C9 (escalator or steps going down - sign next to them) to gate E3 in T2, and v.v.