This is a pretty easy fix that entails you opening up the key fob and replacing the battery.
Toyota 4runner key fob not working.
Key fob not working.
Key fobs can either be opened by removing a screw or squeezing the sides to pop it open.
2014 4runner limited blizzard pearl wife s.
Keyless entry stopped working gradually.
If your key fob fails to lock unlock the doors you most likely have a bad battery.
Insert the key into the ignition without turning it and then remove it.
If the backup remote is able to unlock the doors then you know that it is a problem with the key fob and not with your vehicle s locking system.
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Key fobs are ok and fresh batteries.
Suspect reciever but can t locate it.
Occasionally a key fob can lose its original programming and will need to be reprogrammed which either you or a toyota dealer can do.
Next open only the driver s side door keeping it unlocked.
Keymall keyless entry replacement upgraded flip car key 314mhz 4d67 chip 4b fob remote for toyota 4runner sequoia 2005 2008 hyq12bbx hyq12ban hyq1512y 3 8 out of 5 stars 11 24 88 24.
Reprogrammed them when had it working sporatically.
If this remote doesn t work it is either your door locks or it could be that both remotes aren t working as they should be.
If you use the key fob without your key blade you still need to remove the transponder.
Weak key fob battery.
After the key fob is open look on the inside for a battery.
Make sure your foot is firmly pressing the brake pedal and try again.