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Re: same problem here
One of the door 'LOCK/UNLOCK' actuators is losing it's 'GROUND' connection/'circuit. This happens when the key is in the ignition and the ETACS (Electronic Time Alarm & Control System) is looking for the appropiate signal(s) to LOCK/UNLOCK the doors. The best solution: Take/tow the vehicle into a Hyundai Service Center (dealership), pay the diagnostic fee. They will tell you EXACTLY what the problem is and what's needed to fix it (parts, labor, tax, time-frame, etc.).
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2 things to consider:
- Key - has it been damaged? If you have a spare key try to gently jiggle it into the lock. If it won't go all the way in then the problem will be with the lock.
- Lock - Is there an obstruction? Try using WD-40 with the plastic tube in the nozzle. Slide it as far into the lock as possible and try to flush out the problem. Sometimes insects will make nests in key slots. They did in my ride on mower ignition.
Hope this helps.
it is not the actuators, try a different remote, you may have an issue with the car security system/body computer not functioning on the unlock driver door command, one press of remote is unlock driver door and 2 presses is unlock the other doors.
I had the exact same problem start with mine yesterday. I found a suggestion to check the fuses that are located on the passenger side of the vehicle but I didn't see any problems there so my next step will be to change the driver side door switch which appears to be the master switch.
TRY Relearning the remotes. to do this get in vehicle with doors closed hold the unlock button down on drivers door while you cut key on and off two or three times you should hear locks cycle and horn chirp. let go of unlock button and hold both lock and unlock button down on one key fob for 15 seconds or so you will see locks cycle move to next remote and do same. then cut key on to exit learn mode. as far as door not unlocking with key this is a problem with lock cylinder most likely.
If the key is not coming out of the switch, it may be off, but you haven't turned it far enough back that final click to remove the key. Some have a button you have to depress to get the key switch to turn back that final click. That's it.
What happens is ether the key or the tumblers in the lock get warn and don't move as far to release the lock barrel. Try some lock lub like powdered graphite and angling the key in different directions so as to move the tumblers in more.
You may program up to 4 transmitters, using following procedure:
Transmitter Programming Procedure (No Tools Required) Close all the vehicle doors. Insert the ignition key into the ignition lock cylinder. Press and hold the door unlock switch. While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF. Release the door unlock switch. The doors will lock and unlock to confirm the program mode. Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter. Repeat the previous step to program up to four transmitters. Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter mode. Operate the transmitter functions in order to verify correct system operation
is the lock spinning? are you having trouble unlocking/locking it? you have to fiddle with the keys i found there is one for the doors that fits fine and one for the back doors they are spinning locks and designed that way, Try pushing it in as far as you can to catch. or spinning the lock 180 degrees and pushing. Did the trick for me
.... one of mine did this also. I have a 2004, 3.2 Roadster. I thought it was a big deal, finally read the owners manual. It says on page 71:
TO RESET..you have only 30 seconds to complete this.
1. Press the unlock or lock button on the remote ONE TIME.
2. Then, within THIRTY SECONDS, lock or unlock the driver's door with the MASTER key( remote )...
The remote should now work. They say they get un-synchronized when they are used too far from the car. Randy P. near Dayton, Ohio