2012 GMC Yukon
Key Replacement - Save vs Dealer in San Diego

2012 GMC Yukon Transponder Key Replacement - Fast, Affordable & Professional

I got a call from a college student who had driven her family's 2012 Yukon down to San Diego for break and was staying at an apartment in North Park with street parking. She needed a replacement key and had already gone through one bad experience.

A locksmith before me had tried to program a key to the truck, failed, and left her worse off than before. The security system was in a confused state, the body control module had a stack of fault codes sitting in it from the botched attempt, and the car would not accept any key at all. He had charged her for the attempt and walked away. She was nervous when she called me. She said it upfront.

I drove out to North Park, plugged into the OBD port, and saw the problem immediately on my screen. The previous guy had run a programming method that did not match the year and setup on her truck. The module got confused partway through, threw codes, and locked itself into a state where it rejected everything. I cleared the fault codes, confirmed the module came back clean, and then ran a proper key learning sequence from the beginning.

I turned the screen toward her so she could watch the confirmation come through. Key learned. Security system happy. She started it herself.

The dealer had quoted her a number to fix what the other locksmith broke. I charged her way less, and I did not tack on a cleanup fee because clearing the mess from a bad prior job is just part of doing the work correctly.

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