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The rf kit will lock and remote start but not unlock doors. Factory remote works fine with the 3x to start

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Evo all thar-gm7 install
asked Jan 25, 2022 in Chevrolet by matlock kascak (230 points)

1 Answer

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What is the S/N number to the module?

What rf kit was used?
answered Jan 25, 2022 by derek ! (285,690 points)
001A07339278 FORTIN RFK942 installed on 2018 silverado 2500hd with gm7 harness
You will first need to turn off "settings protection" then I would make the following changes to the options in the module:

Turn ON: A4,5,6. Turn OFF: A12 & A14

Save options and re test.


Also, does your vehicle have On Star?
No on star work truck model
Tried it same thing the fortin remote locks and starts but no unlock
I reset the module and went through the programming process and now it's working. Do you need to reset the module after making option changes?
No you should not have had to.


Glad you got it going with a reset.


Best Regards.