2006 Yukon Denali XL (6.0L) Intermittent Start

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YUKONJOSEPPI

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I have done the relearn two times since I’ve had the vehicle. I’ll check again but I believe when I crank the security light is off. The security light comes on and stays on when I turn the key But do not started yet.

I was thinking it might be an issue with the pass lock system but I don’t have a security light on.

I will tell you I did pull the connector out with the three wires on top of the metal ignition key housing and the car will still start.

This made me think that the little transponder chip in the metal ignition housing was bad and not sending the proper pass lock code. However I don’t know enough about it and where would I start.




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