In the little box next to the battery are three fuses.

A 50 amp on one end for the Fan
A 50 amp in the middle that feeds the pulse module and the underhood fuse block on the driver's side.
A 200 amp that feeds most of the car on the other end.

I suppose it is possible that they changed the rating of the fan fuse during production, but the 05 manual says 50 amp and my 05 Limited has a 50 amp in that position.


Now, if the fan motor runs with power applied to it, and it won't run when the motor warms up OR when you turn the A/C on, then the Fan Module is bad.
The light indicates that the PTCM is not getting 'handshakes' back from the FCM OR that the FCM is reporting a problem.

Sounds to me like your FCM is bad. Make sure you have power to the FCM (you can measure it right at the FCM), if so, I'd say the FCM is bad.