Took apart the Door today and check all the connections. Unplugged and re plugged back in. I have power upto the door switch but dont have the power window/ lock or power mirror, the single light on the mirror does work. Any one with another idea whats wrong out there?
ThierryC78 did you ever find a fix, I just picked up a 03 yukon xl and replaced to batts in both fobs and at step 5 after a few seconds the doors lock and unlock again and the horn honks again. I assume this is taking it out of the program mode.
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