General Motors BUICK, CADILLAC, CHEVROLET, GEO, GMC, HUMMER, OLDSMOBILE, PONTIAC & SATURN   Diagnostic and Reprogramming Tool Tech2 kit and Candi Module are available for purchase from Robert Bosch Aftermarket, LLC formerly Vetronix and OTC.   Training & Training Materials Go towww.gmtechinfo.com or call 1-800-825-5886   Service & Collision Information Online service information is available by subscription access at www.gmtechinfo.com Printed service manuals are available for purchase at www.helminc.com Additional collision repair information maybe found at http://www.goodwrench.com/gmgoodwrenchjsp/gmspo/index.jsp   Reprogramming Information Which models and model years are reprogrammable for which functions? GM started service programming of Engine Controllers with some vehicles in the 1993 model … Continue reading GM Diagnostic/Programming (TIS2Web)