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.

10 Answers


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 of 1 people found this 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?

1 of 1 people found this helpful.

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.

1 of 1 people found this helpful.

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


I have had the same exact issue. Both primary and spare key not working. Seems to happen only during coldest part of the day. Quick fix is annotated in the manual. Seems strange though that both keys would stop working at the same time. Is there another issue perhaps?

1 of 1 people found this helpful.

My 2013 Toyota Camry has the same issue. I don't think it's the battery in the key fob (neither key fob works) because when the outside temp reaches 50 degrees, they both work fine. I'm fine with unlocking the car the old fashioned way, but when I am going to my car in a dark parking lot, I would rather not have to take the time to manually unlock the driver's door, then unlock the passenger doors from inside. Seems like a safety issue.

1 of 1 people found this helpful.

I have the same issue with our 2013 Camry. Both key fobs stopped working about the same time. The main one was intermittent for a while, but eventually stopped altogether. I changed the battery in the spare key fob first, but it did not help at all. Is there another issue like the car receiver that's having problems?

2 of 2 people found this helpful.

If my wife tried to drive my Camry 2017 sometime the key didn't work with her and the same key I have it . It's work with me fine all the time


I finally changed both remote batteries at the same time and it works fine now. Hope this helps someone.

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