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2003 gmc envoy_slt
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Discussion Starter · #1 ·
ok someone explained about turning ignition on/off for 11 minutes and letting it sit for 30 seconds and blah blah. Just wondering if this is really how you do the case relearn or security relearn. If anyone has a link to go to where i can read this in better detail i would appreciate it thanks.:thx
 

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2004 gmc
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That's the security relearn. A CASE relearn requires a high end tech tool - dealer or independent mechanic.

Google's running well today. I entered "gm security relearn" and got all kinds of hits, including trailvoy.
 
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