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"Anti Theft" at key on... Wth?

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Old 04-24-2014, 02:22 PM
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Default "Anti Theft" at key on... Wth?

So last night and again today, I get in my truck an hit the key and it just clicks ( like a dead battery would) and the dash displays "anti theft......." Finally after hitting the key several times it'll fire.

Anyone else had this happen, or know wtf it's all about?
Old 04-24-2014, 02:50 PM
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My future son in law's truck will alarm during the middle of the night, no matter how you lock it up, so he doesn't lock his doors at all at night. Weird and GM can't figure it out...
Old 04-24-2014, 02:53 PM
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If mine starts that crap GM'll have to give me a new one, I'm out on having the alarm wake me up every night lol.
Old 04-24-2014, 05:36 PM
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Check for a loose battery cable, or a loose connection at the starter.

The anti-theft kills the fuel system, not your starter.
Old 04-24-2014, 07:07 PM
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Well as of yet of the trucks we've sold and trucks we've worked on the above problems are not ones I have heard of or seen yet. SOOOO best of luck to ya.
Old 04-25-2014, 09:53 AM
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See if it does it with your other key. These new keys are chipped and programmed to the truck so it could be an issue with the key.
Old 04-27-2014, 11:37 PM
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Check to see if you have a office mag card or gas pump fast pass on your keyring those can **** off the antitheft as well I have seen it happen first hand or if you have other gm or ford security key's on your keyring
Old 04-28-2014, 12:44 AM
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The little white tag that was on there at the dealership ( I'm guessing they use them to ID what key goes to what vehicle ) is still there. It's been there for 8000 miles though and this just started happening. I'll yank it off there and see if that changes anything. Thanks for the input, PT.NET always is a big help.
Old 04-28-2014, 09:56 AM
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Friends truck alarm started acting up when he installed the hids with a relay kit but dont know if that was the case or not as he hasnt removed them again
Old 04-28-2014, 04:52 PM
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Sometimes the batteries get weak sitting on the dealer lot waiting for a buyer. Might have your dealer test the battery and replace it if necessary.


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