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NATIONAL AUTOMOTIVE SERVICE TASK FORCE (NASTF)
The National Automotive Service Task Force is a not-for-profit, no-dues task force established to
facilitate the identification and correction of gaps in the availability and accessibility of
automotive service information, service training, diagnostic tools and equipment, and
communications for the benefit of automotive service professionals. NASTF is a voluntary,
cooperative effort among the automotive service industry, the equipment and tool industry, and
automotive manufacturers.
General Motors
Reprogramming Information
For access to J-2534 Information on the General Motors service information website:
1. Click on "GM Tech Info" in the blue box at the bottom of the page.
2. Click on the GM icon next to Reprogramming.
3. Click on "Reprogramming Equipment".
4. Click on "J2534 Reprogrammers"
Which models and model years are reprogrammable for which functions?
GM started service programming of Engine Controllers with some vehicles in the 1993 model
year and ramped up to nearly 100% by the 1995 model year. The last engine controllers were for
diesel engines used in medium duty trucks. All OBDII ECUs are programmable.
1-800-71-TRAIN (1-800-718-7246) OR www.auto-video.com
BOSCH TECH 2
Presented by Bob Pattengale
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