SES - code P0128 ???

SES -code P0128 what it means???

Big-L covers that here;
http://www.automotiveforums.com/vbulletin/showthread.php?t=314064&highlight=po128

full list of computer codes?

Want to send a IM. I have them but they are on PDF files. Whole file is about 125 pages. Send me your email addess, and I'll send them. Don't think anyone here wants that listed here.
http://img.photobucket.com/albums/v425/kustomkid54/1998PontiacGrandPrixGTP001.jpg