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Rx300 2005 unlock not working on fobs

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Hi I wonder if anyone can help me

I have a 2005 rx300 auto and I've just lost both unlock and lock functions on the fob 


Unlock and lock work fine  manually from the switch on the door and the car starts fine with the keys

Weird thing is my spare key has the same issue I can't unlock or lock from it I've checked the Battery they are both fine


Someone said check the door lock control module in the rear left side,I managed to change that but had no joy as well as the power boot stopped working with this so I put the old one back in 


Can someone please help where are the relays for this I've checked under the glove box and in the engine bay to no avail 


Kind regards

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Does this happen in more than one location? Sometimes radio interference can stop the remotes working. If you haven't already try driving somewhere else and then test the remotes. Had this with my '02 IS and '06 RX.

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