Here’s a consolidated list for the InterContinental . Every code below is confirmed to work as of today. I have them more or less in order of what has worked best for me. It would be great if someone could help add to my list.
InterContinental
GE 000102806
IBM 000243132
Siemens 000104256
Ford 000103772
Federal Express 000109207
Ace Hardware 100862437
Travel Consultant IVTCD (have not used)