[Solved] Looking for help getting the transponder code for my 2020 GMC Sierra 1500 AT4

4974 views - Last reply: October 22, 2024
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Need the key code to program a replacement key for my 2020 GMC Sierra 1500 AT4

Hello! We've developed a VIN-based tool to help you get your key code for the 2020 GMC Sierra 1500 AT4. Check it out here: VIN Key Code Generator.

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My 2020 GMC Sierra 1500 AT4 is basically useless until I get this code. Fingers crossed.

Thanks for sharing! Been looking for a key code fix for my 2020 GMC Sierra 1500 AT4.

Any updates on getting the key code for the 2020 GMC Sierra 1500 AT4?

Thanks! This could save me a trip to the dealership for my 2020 GMC Sierra 1500 AT4.

My 2020 GMC Sierra 1500 AT4 is just sitting there waiting for a miracle like this.

Same problem on my 2020 GMC Sierra 1500 AT4. Watching for any working solutions.

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