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CbrownGT

Help: "Service Theft Deterrent System" light is on.

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12 hours ago, Kummie said:

Went to the dealer today and ordered the NEG cable - $210.00!!!!

Jeez! Anything special about it? Couldnt remove and just replace it with a NEG cable from AutoZone? 

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To the original question about "Service Theft Deterrent System"

From the manual, here is a start...

image.thumb.png.28cde37c1c965ce9f2dd3405c1a59ec2.png

image.thumb.png.86d2b2436229c3513598bc77b83c2e8d.png

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That's a great illustration, however, I don't have that on my 2015 Silverado 2500 HD on the upper console - darn it!!!

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I have a 2015 Silverado and this just happened to me tonight. Got in to start it and wouldn’t start and a message came up service theft deterrent system. I was able to use the remote start and it started. From what I am reading it seems like a lot of vehicles are having the same problem. Has anyone figured this out? Is there some sort of reset that can be done?

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I have the same problem on 2014 Sierra.  Last year dealership, replaced ground cable.  Issue started again 2 weeks ago.  No consistency on what initiates the error.  Sometimes the auto start does it, turning key ignition does it and sometimes battery appears dead.  

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I replaced the fuse panel on the top of the battery.  Appears to fix problem but I will see.  All connections were tight but if I moved the panel slightly power would return.  If this doesn't fix it, i will have the positive wire harness replaced.

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