01 Tahoe key fobs won’t program!

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OR VietVet

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Yea, a scan tool can likely get to the bottom of the problem and even help with the programming. Tech 2's are close to $300 on ebay and I guess other sites as well.
 
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Tahoe88

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Have you tried holding the lock and unlock buttons on the key fob for 7 or 8 seconds. Standing close to the vehicle?

No, I have not tried to do that but I certainly will try anything at this point! Is there anything else that needs to be done? Such as all the doors locked/unlocked? But if this worked wouldn’t that mean anyone could essentially program a fob to it that way?
 

Bigshawn

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Have you tried this one, i found it and I found it in this forum from 2010 but I didn't know how to share from that old post.
 

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