[Confirmed] Need key code after ECU replacement in 2016 GMC Terrain SLE

3584 views - Last reply: October 16, 2024
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How can I find my 2016 GMC Terrain SLE's key code to program a new key?

Hello! We've developed a VIN-based tool to help you get your key code for the 2016 GMC Terrain SLE. Check it out here: VIN Key Code Generator.

Replies (4)

My 2016 GMC Terrain SLE's immobilizer is stuck. Hoping this helps.

Crossing my fingers—really need this for my 2016 GMC Terrain SLE!

Can’t believe this worked on my 2016 GMC Terrain SLE. Huge thanks!

Anyone try this on a 2016 GMC Terrain SLE with push-button start?

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