Currently it's not supported by the Gryphon. 2003 and 2004 Expedition use a hybrid PCM that has the new PCM form factor but still runs the old processor. It's actually a closer fit to the 1997-2003 units from a hardware standpoint, but the last one we tried to program cause the PCM to lock up and we had to use the scan tool to recover it.
If you're interested, we do carry the SCT XCal that does support those models.
Hope this helps.
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