SAE J2534 Manufacturers Online

Online access for ECU reprogramming and diagnostic you have here:

Acura	http://www.serviceexpress.honda.com/
Audi	http://erwin.audi.de/erwinAudi/
BMW	http://www.bmwtechinfo.com/
Buick	http://www.gmtechinfo.com/
Cadillac	http://www.gmtechinfo.com/
Chrysler	http://www.techauthority.com/
Chevrolet	http://www.gmtechinfo.com/
Daewoo	http://www.gmtechinfo.com/
Dodge	http://www.techauthority.com/
Ford	http://www.motorcraft.com/
GEO	http://www.gmtechinfo.com/
GM	http://www.gmtechinfo.com/
Honda	http://www.serviceexpress.honda.com/
Isuzu	http://www.isuzutechinfo.com/
Jeep	http://www.techauthority.com/
Land Rover	http://www.landrovertechinfo.com/
Lexus	http://techinfo.toyota.com/
Lincoln	http://www.motorcraft.com/
Mazda	http://www.mazdatechinfo.com/
Mercedes	http://www.startekinfo.com/
Mercury	http://www.motorcraft.com/
Mini	http://www.minitechinfo.com/
Mitsubishi	http://www.mitsubishitechinfo.com/
Nissan	http://www.nissan-techinfo.com/
Pontiac	http://www.gmtechinfo.com/
Porsche	http://techinfo.porsche.com/
SAAB	http://www.gmtechinfo.com/
Saturn	http://www.gmtechinfo.com/
Scion	http://techinfo.toyota.com/
Toyota	http://techinfo.toyota.com/
Volkswagen	http://www.erwin.volkswagen.de/erWinVW/
Volvo	http://www.volvotechinfo.com/