clifford smartwindows 4 prob

I have two smartwindows 4 in a 2005 Tacoma, one running the fronts and the second the rears. this is the first time i've installed them for 4 windows. When I first installed them they worked fine. I programmed it with the cliffnet wiz  with no problem. about a month later, the fronts stopped working. it wouln't allow me to even roll up the fronts from the driver's switch. but when i use the transmitter, i can roll the windows down but not up.  Thinking that i blew the module i ordered a new one. So I got a new module and installed and programmed it. now the fronts work fine, but the rears are doing the same thing as the old front unit.  do i have another blown unit? If not, what is causing it?

Thanks

Eric S

i'm still having the same problem. anyone have an idea what is wrong?

thanks