Remote key fobs all stopped working; can't program them; door code too

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dd350

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I was charging the A/C in the Expy yesterday and suddenly the key fobs all stopped working. I had just programmed 4 of them the day before. It won't go into programming mode, and the code on the door doesn't work either. I tried pulling the battery negative cable for 15 minutes or so, but it still isn't working. Any helpful suggestions besides taking it to the dealer or selling it?
 

99WhiteC5Coupe

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I was charging the A/C in the Expy yesterday and suddenly the key fobs all stopped working. I had just programmed 4 of them the day before. It won't go into programming mode, and the code on the door doesn't work either. I tried pulling the battery negative cable for 15 minutes or so, but it still isn't working. Any helpful suggestions besides taking it to the dealer or selling it?


Year, make, model and trim line would be helpful.
 
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