ALL car keys have stopped working
Motor Vehicle Maintenance & Repair Asked by Carolyn WIlson on March 22, 2021
I have a 10 year old Lexus RX400 which was working perfectly yesterday however today I can’t unlock it. I’ve tried all 3 keys and none of them will work. The red light on the key flashes when I press unlock so the battery can’t be dead (and to die on all 3 on the same day would be very coincidental!). I can open the car door manually but then the immobiliser kicks in and the car will not start. Any help?
One Answer
Your Receiver door control which receives signal from your remote keys is not functionning. Below is the location of the receiver:
I would do the following:
- Disconnect and reconnect to check the if keys are working
- Reprogram the keys to see if they are working again (https://www.youtube.com/watch?v=SmCN-YDkqwo&vl=en)
- Replace the unit if this is not the case
Answered by Yasirmx on March 22, 2021
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