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Factory Options Programming Question

1.1K views 1 reply 2 participants last post by  huntergreen  
#1 ·
I have a couple of Mods I want to do that require Factory VIN reprogramming by the Dealership.

Couple of questions about this.

1. If I have something programmed as there and the parts have not been swapped will it affect the truck?
Example: Factory fog lights, but haven't switched the light switch yet.

2. On the remote start and keyless entry kits do the key fobs come pre programmed to the module? If not how do you install it then get it to the dealership for programming other than trailer?