could just be the remote hopefully it is for your wallet's sake...i had my remote not work one day tried over and over when it finally did work only passenger and two rear doors opened...i climbed in thru the passenger side and opened the driver door, drove to the dealer where i was handed a ridiculous bill to replace what i believe was the door pin and some other stuff, not really sure but i know that def wasn't a good day

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03 E53. blk/blk. sprt pkg. stag. 132's on toyo proxes. X5 etched rb's.