Service theft deterrent system

Asked by Feb 09, 2017 at 09:52 PM about the 2010 Chevrolet Silverado 2500HD LT1 Crew Cab 4WD

Question type: Maintenance & Repair

I lost the only key I had, went and bought new key followed
direction to re program and did not work now dash says
"service theft deterrent system"  so how do I fix that
problem so I can try to program new key again...?

1 Answer

69,495

To program new keys yourself you must have a key that already works. You need to be towed to your local Chevy Dealer to have your new key(s)/programmed to your truck! HTH. -Jim

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