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Discussion Starter · #1 ·
Got home yesterday got out of my 2003 GMC Envoy . Locked it with the Keyless Remote go inside and do a few things. Go back out about 10 minutes later to clean my windshield and can’t unlock it with the keyless remote. Any clue why it just abruptly quitting working. Replaced the battery and checked the remote at Autozone. It’s working
 

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Discussion Starter · #3 ·
I ended up trying that and it worked. I’m puzzled to why that happened all of sudden.
 

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There could be a hundred different reasons why it needed to be reprogrammed. Anything from picking up a stray radio signal from a car that was 2 blocks away to static electricity.

Or as I used to say in graduate school when my lab instruments wouldn't behave "...phase of the moon or the witches at the cauldron..."

Glad you got it working.
 
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