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mcgruder73, ASE Certified Technician
Category: GM
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My car factory remote unlock/lock will not open my car doors

Customer Question

My car factory remote unlock/lock will not open my car doors (a 2004 GMC Denali). I had a viper responde installed two months ago. Where can I start to get my factory remote working again and the remote car starter working again with one another??
Submitted: 6 years ago.
Category: GM
Expert:  mcgruder73 replied 6 years ago.
I would start by disconnecting the Viper system and returning the vehicle to stock. If that allows the remote functions to start working again you know the aftermarket device is the root cause. Now you said the keys themselves don't unlock the door lock cylinders?

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