2012 Camry key fobs not working


Asked by Oct 06, 2016 at 09:52 AM about the 2012 Toyota Camry SE

Question type: Maintenance & Repair

Recently noticed that my key fob sometimes took a few attempts to lock or
unlock the door (and toggle the alarm). Today it did not seem to work at all.
I have a spare fob, and it too was unresponsive until about 2 minutes of
intermittent clicking when it unlocked. I had noticed a few weeks ago that
sometimes it took a 2nd or 3rd click to work, but it was never this bad.

The car was bought new and I've used the backup fob maybe 2 times ever.
Since both fobs seem to behave the same, does this mean there's
something up with the car? If it was a battery issue in the fob, I'd expect the
backup fob to work OK. I had been away on vacation and the car was not
driven for about 9 days, in case that matters.

5 Answers

Tony Ciccotelli

I would be inclined to check the Owner's Manual to see if there are batteries in those Fobs...the number for the battery.....buy a battery...install...and see if that makes a difference. Always do the easiest and cheapest thing first.

1 out of 1 people think this is helpful.

Looks like they have a CR2016 battery, I'll try replacing one and see if that's it. How long do the batteries typically last?

Tony Ciccotelli

Any battery will have a life span depending on usage and shelf life. Let us know what happens with the new battery installation.


I replaced the battery on my spare key, and it worked fine once I got back to my car. After I drove home, I then tried my main key (battery not replaced) and it worked on the first try as well. It's very odd, but I had no issues today. I'm going to see if the main set fails again and replace its battery if it stops working again.

Tony Ciccotelli

Uh-Ra....another victory. Keep us up to date.

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