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Hi, my name is ***** ***** I will be happy to assist with this today.In some cases, I may need more info to assist better.I apologize for any delay.
Try holding down the lock and unlock button on the working key fob while standing next to the vehicle and hold these buttons for about 15 seconds to see if this relearns the remote.If this does not work then a shop or dealer will need to try and reprogram it with their computer plugged into your vehicle.If it does not reprogram at all to work then the fault codes need read out of all computers in your model to see what codes are set then those codes are then diagnosed to then help to locate and repair if you have a faulty door lock receiver ecu or another ecu at fault needing replaced.
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Your welcome Mark
It may need to be reprogrammed by a dealer or shop to allow the remote to work properly again.If this reprogramming does not work though then you will need to have the fault codes checked with a compatible scan tool or computer plugged into your model to help locate if you have a faulty receiver or control unit causing this issue needs to be replaced.
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