Question about 2005 GMC Canyon

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Anti theft light keeps comming on ad truck wont start

My anti theft device keeps comming on. when it blinks it will not start without resetting the computer. now it wont even start by resetting the computer. how do you solve this problem? it is a 2005 gmc canton 5 cyl 2 wheel drive

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  • 453 Answers

It might be your key the chip thats in it might need to be reprogammed or you might need a new key. You can only get the key from a dealer about $75.

Posted on May 27, 2009

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Posted on Jan 02, 2017

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The battery reset protocol usually means the 8 turns routine using the original keys with key fob transponders
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I am having the same issue with my anti-theft device in my 2003 Alero. Last year it stopped running and would not turn-over. $400 later, Brakemax said they just had to reset the anti-theft device. oK,...


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When anti theft light is blinking the car wont start. Can you bypass the anti theft device


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