QDM "A" code 26 what is this???

Checked codes and got 26, what is a QDM where is it located and what does it do??

http://www.automotiveforums.com/vbulletin/showthread.php?t=238098&highlight=QDM (Look here)

And do a search for QDM.

qdm = Quad driver module the qdm is an internal part of the computer just because you get a qdm code it dosent mean the ecm (electric control module or computer ) is bad the qdm controles 4 different systems For example the a/c power windows, pusher and puller fan are all controled by one qdm what symptoms do you have?

Response to your reply, have not noticed any problem other than the check eng. light came on and I read the codes and got 26 so this is real hard to understand.

qdm = Quad driver module the qdm is an internal part of the computer just because you get a qdm code it dosent mean the ecm (electric control module or computer ) is bad the qdm controles 4 different systems For example the a/c power windows, pusher and puller fan are all controled by one qdm what symptoms do you have?

Power windows are not on a QDM circuit.