Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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ASEMASTER6371
AUTOMOTIVE REPAIR CONTRIBUTOR
52,796 POSTS
Good afternoon,
You will need a Tech 2 scan tool with access to the GM technical web site. That way you can download the most recent version of the software and upload it to the vehicle PCM.