No, the keys are programmed into the SKIM and as long as you don't change the SKIM or need a new key, there is no programming of keys.
The secret SKIM code has to be send from the SKIm to the new PCM, using a DRBIII.
JEEP Grand Cherokee 4.7 Lmtd 2004
HID 8000K in low and fog / Quad Squad member
KYB Gas-a-Just shocks / Pirelli Scorpion ATR 245/65/17 - Transgo reprogramming shiftkit.