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2015 Silverado Theft deterrent system with EVO ALL

2015 SIlvrado 1500 /w Onstar Automatic Transmission EVO ALL stand alone installation without T Harness I've tried both firmware version 70.16 and 70.17 I've triple checked all the wire connections and everything is correct as per the installation instructions. I complete the programming and process dcryptor data enabling options C1 and D1 as per instructions. When I return the module to the vehicle and attempt remote start (LOCK x3) The Theft Deterrent System notification comes up and the vehicle will not start. When I hold the key to the tumbler the vehicle will start however the Theft Deterrent System notification still appears. I take this to mean that there is an issue with the dcryptor information so I'm wondering what I need to do.

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