Question about 2001 Hyundai Elantra

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I have a 2003 Hyundai Elantra. The remote locks the doors but sometimes it won't unlock the doors. I have to go to the passenger side, press lock on the remote, then press unlock (I can hear the 'clicks' for lock and unlock) and then use the key to open, climb through and unlock the driver's door. At one point it seem to help if I used the key and opened the trunk. The other doors will not unlock with the key. I replaced the remote batteries and even tried another remote. Same results. Happens intermittenly. Haven't figured out a pattern except seems to happen at worst possible times (dark parking lots late at night - not necessarily cold nights, when carrying lots of groceries or when I am in a hurry. Go figure - haha Thanks for your help.

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  • Hyundai Master
  • 17,129 Answers

Possible issue with the remote controller unit - main board or sub assemblies. The intermittent behavior seems to indicate that the board is erratic to detect at the same time the individual locks work at times.
So make sure all the connectors to the door and to the main board controller are tight. You can remove the main unit and check for any loose connections or clogging, specially water in all the door units or in main unit. If so dry and test.
Otherwise the main unit is a suspect.

Posted on Mar 12, 2011

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Posted on Jan 02, 2017

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tnx 4 using fixya,

drcool

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